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The days when diesel fuel was used only on ships and in heavy trucks have long since sunk into oblivion. Now this type of fuel has become an integral attribute of a modern passenger car. And the current units have nothing to do with the engines produced in the past, which were distinguished by slowness, low power, an unpleasant smell of diesel fuel and black smoke.

Modern diesel engines are very different from their ancestors.

The first appeared in the pre-war period. They were too noisy, demanding on quality fuel, and required frequent maintenance, which was costly. Modern motors running on such a fuel are quite economical and have high power. They are able to make life easier for their owner and bring him a lot of benefits.

Engine differences

Let's consider how the units operating on different fuels differ from each other.

Motors are internal combustion units. The compressed air-fuel mixture in the cylinders is ignited by a spark. Such engines are subdivided as follows:

injection - gasoline is supplied to the common pipeline using one or more injectors;
carburetor - the process of mixing air and fuel begins, and ends in the intake manifold;
injecting fuel directly into the combustion chamber allows the engine to run even on lean mixtures and optimizes the combustion process.

These are internal combustion units equipped with a piston system. The principle of operation of such a motor is somewhat different. The atomized fuel ignites after it comes into contact with heated air. Makes diesel units more economical, in contrast to their gasoline counterparts, a high compression ratio of the fuel. Diesel engines do not have a throttle valve, which prevents fuel consumption.

Benefits of diesel engines

The first diesel engines for passenger cars were simply smaller copies of engines that were installed on heavyweight ones. Thanks to innovative engineering solutions, modern diesel engines have received unique characteristics and have become quieter and more powerful. Diesel passenger cars are now popular and in demand. Their main advantages can be distinguished:

The efficiency of a diesel engine is higher than that of its gasoline counterpart. It converts 36% of fuel energy into useful energy, and only 26% of a gasoline unit;
the likelihood of fire is significantly lower than that of gasoline options;
the cost of fuel is lower than the price of gasoline;
efficiency - fuel consumption is 25% lower than that of gasoline;
low toxicity of exhaust gases does not pollute the environment;
lack of an ignition system;
the endurance of a diesel engine, and, accordingly, its long work, in contrast to gasoline units;
high power of acceleration speed due to the presence of a turbocharger;
fuel acts as an oil, lubricating the main parts of the engine;
water resistance, unpretentiousness and universal cross-country ability in off-road conditions;
popularity.

Of course, it cannot be said that the diesel engine is so perfect and has no flaws. Among the disadvantages are:

diesel fuel has a lower freezing point than gasoline;
quite noisy operation of the unit at idle;
high cost of spare parts;
a high power starter is required;
sensitivity of the motor to low-quality and dirty fuel;
before starting the engine, you have to wait until the combustion chamber warms up;
the diesel unit is not designed to operate at high speeds;
in winter, you cannot use "summer" diesel fuel;
in severe frosts due to insufficient compression it will be quite problematic to start the engine.

The best engine for a diesel car

It has already been proven that diesel engines are more reliable, durable and economical. All the best diesel engines can be divided into the following areas:

American - Chrysler and Ford. These manufacturers are constantly working to reduce fuel consumption and rely on the power and performance of their units.
German - Mercedes and BMW. High technological performance of engines and excellent quality of products. Distinctive features are excellent dynamic characteristics and maximum reliability.
Asian - Toyota and Hyundai. The products of these brands are distinguished by their reliability, high dynamic performance and productivity.

Let's figure out which of the diesel engines is the best.

The diesel engine OM602 from Mercedes is a true legend. It has already been discontinued, but diesel cars equipped with such an engine will continue to drive on the roads of the world for a long time to come. This is due to the fact that the service life of this unit is estimated at a million kilometers. If you take care of the vehicle's fuel system correctly, then the engine will probably be able to travel up to two million kilometers.

The N57 engine from BMW has a displacement of 3 liters and 6 cylinders. Such indicators make this unit the record holder in its niche. It is installed on sedans of the 5th and 7th series and full-size crossovers. For all its power, the engine is quite economical. Constant maintenance of the fuel system and the purchase of exceptionally high-quality fuel will allow you to drive up to 200-250 thousand km without any problems.

Chrysler's Cummins turbo diesel has a capacity of 275 Horse power... It is aggressive and at the same time very economical. The heads of this engine are cast from a new alloy, which makes it an environmentally friendly unit.

The Asian U2 14 is perfect for Russian motorists. It has a simpler design, is reliable and unpretentious. It gives out pretty decent performance and at the same time is resistant to low quality fuels and lubricants.

The best diesel cars of 2015

The Volkswagen Passat business class car is considered the favorite of the diesel market. It is capable of accelerating in 7 seconds to a speed of 100 km / h. There are also budget options with less power, but affordable for many.

The family car Skoda Octavia is unmatched since 1996. It is equipped with a 1.9 liter engine.

Ford Focus 3 is ideally adapted for city traffic. There are options that, on the contrary, are ideal for the track. The choice is up to the consumer.

Ford Fiesta is a fairly compact car with a lot of modifications. It can be equipped with a 1.4 or 1.6 liter diesel engine. Great for both city driving and highway driving. This model is notable for its affordable cost and attractive appearance.

The Volkswagen Golf is the best diesel-powered car in the middle class. In terms of sales, it leads the world market. Can be equipped with different options turbocharged engines with a volume of 1.6 to 2 liters. This brand has high power along with excellent fuel economy.

BMW 3-Series is the perfect solution for a business person. The lineup includes several options for machines that are different in power and other parameters. Each consumer will be able to determine the best option for himself.

The most of the most

Diesel vehicles may vary in power, economy and other characteristics. There are many ratings that call completely different vehicles the best. And this is an absolutely normal phenomenon, because everything depends on the interviewed audience, the territory of the survey and the number of respondents. And the opinions of amateurs and experts also often have cardinal differences.

It is worth noting that the opinions of many experts and ordinary drivers converged on the question of determining the best diesel passenger car. The championship was unanimously given to the Volkswagen Golf. The machine is considered comfortable, economical and reliable. It is equipped with 8-10 airbags.

The best crossover is the Range Rover Evoque. It is considered practical and prestigious at the same time. It has a simplified configuration, excellent power and a high degree of safety. There is a variation with three doors. It has a lighter weight and increased body rigidity, thereby optimizing vehicle handling.

The most powerful diesel passenger car is the Audi Q7. It is equipped with a 12-cylinder engine with a volume of 6 liters. Its power reaches 500 horsepower. Despite the weight of 2.5 tons, this car is able to compete with modern sports cars. The car accelerates to 100 km / h in just 5.5 seconds. This model does not go on free sale, but is made exclusively to order.

The best diesel cars are not always maneuverable or capable of high speeds. The fastest of them is the BMW X6 crossover. It has a 6-cylinder engine with a volume of 3 liters. The presence of three turbines allows the 381 horsepower car to accelerate from 0 to 100 km in just 5.2 seconds. The maximum speed of this car reaches 290 km / h. Manufacturers don't stop there. They plan to launch a four-turbine car in the future with 390 horsepower.

The best diesel cars tend to have low fuel consumption. The most economical of them is the Seat Ecomotive. Fuel consumption is only 3.3 liters per 100 km in mixed mode. Despite the fact that the engine has a volume of only 1.2 liters, it cannot be called weak. Vehicles in the Ecomotive configuration, they are capable of speeds up to 175 km / h and accelerate to 100 km / h in 13 seconds.

Summing up all of the above, we can say that the future of the automotive industry belongs to diesel engines. They are durable, reliable and economical. True, it was recently revealed that their exhaust contains substances that can cause cancer in people. Therefore, engineers from global manufacturers will have to work hard and develop filters that would capture harmful substances and do not release them into the atmosphere.

Today, many car owners ask themselves the question: "How to save on fuel?" There are hundreds of ways to do this on the Internet. But let us tell you a secret, 99% of them are completely useless. The only worthy way to save on fuel is buying a car with low fuel consumption. In this review, we will look at most economical diesel cars.

10. Ford Focus

Focus is one of the most popular car models in our country. In the updated version, not only the appearance has changed, but also the power plants. The diesel engine has undergone a number of changes that have improved not only its performance on paper, but also its performance. Engineers of this American brand have improved the efficiency of the engine through multi-point fuel injection under pressure. The configuration of the fuel pump has been changed to make it more efficient. Modern diesel engine Ford Focus, volume 1.5 liters, with an average consumption of 4.1 liters per 100 km. allows you to experience real savings. Now its cost pays off faster, which means that this model can also be considered in our list of the most economical diesel cars.

9. Renault Captur

Renault Captur is assembled in Russia on the basis of Duster. It has a large clearance and good cross-country ability. The owners note the driving comfort and the spacious interior. The designers of this model can be thanked for the design of this machine. It can be seen that it is primarily targeted at the younger generation. But the "Russian" Captur is not equipped with a diesel engine. For the European market, Reno supplies models with a diesel powertrain. But this is a completely different model. It is developed on the basis of the Clio and is equipped with a 1.5-liter diesel engine, which in ECO mode consumes 3.5-4 liters per 100 km.

Mercedes A-Class is a fairly reliable and economical car. Even despite its not the most traditional look for cars from Stuttgart, this class of models aroused the love of both practical Germans and Russians. The Mercedes A-Class in the diesel version is equipped with different power units, the minimum volume is 1.5 liters and has good reliability. In addition, such a motor allows you to significantly save on fuel. The consumption of this "German" is only about 4 liters. for 100 km.

Peugeot 308 is one of the most economical diesel cars with an average consumption of 3.8 liters. The updated model received a more attractive design. The car turned out to be more collected and purposeful. The recognizable radiator grille, the original shape of the headlights and other features of this car were a success for its designers. As for the power unit, the diesel version with a volume of 1.6 liters. allows the owners of this type of "fawn" to save up to 15-20%. This is done when the engine is idling, accelerating and decelerating. The owners of the 308 model also note that their favorite car can be easily started even in “critical” frosts.

The modern Astra is one of the most popular cars on the secondary market. The car has several modifications. For those who wind more than 10 thousand kilometers a year, the best option would be to purchase this "German" with a 1.7 CDTi diesel engine. This modification of the powertrain allows the car to be more dynamic, but at the same time save fuel. The only negative is the noisy operation of this engine model.

The BMW 1 Series is one of the fuel-efficient diesel-powered vehicles. The average consumption of the car with moderate driving will not exceed 4 liters per 100 km. The design of the updated version causes a lot of controversy, but this does not prevent this car from being one of the best in its class. Adaptive suspension, leather upholstery and a host of other options make this car the best choice in the automotive market. It is also worth noting that in its class, the BMW 1 Series is the only worthy car with rear-wheel drive and an 8-speed gearbox. But the main advantage of the "Bavarian" is the diesel engine. It is economical and highly reliable.

The small Mini One D couldn't help but make it onto our list of the most fuel efficient diesel cars. BMW, which has been producing the Mini One for 16 years, has made significant progress with the new model, not only in terms of economy, but also in reducing harmful emissions. I must say that after the problems with Volkswagen, much attention is paid to this indicator in Europe. In terms of appearance, it echoes the 1959 Mini Cooper. Appearance adapted to modern realities, but the basic concept has not changed. Under the hood is a 3-cylinder 1.5-liter engine with an average consumption of 3.6 liters per hundred kilometers. It develops a power of 116 horsepower and can easily cope with the solution of the issue of moving the owner from home to work or to the store.

Opens the top three most fuel efficient Kia Rio diesel vehicles. This inexpensive car for families with average incomes will not only cost less than the rest of this list, but it will also be cheaper to maintain. And thanks to various modifications, everyone can choose the Rio for themselves following their needs. The car has a very decent look and a comfortable interior. Sound insulation deserves a separate word. She's great. Also worthy of respect is the 1.6-liter engine, which is distinguished by a large power for this category. But at the same time, fuel consumption remains at a fairly low level. For those who want to save to the fullest, there is an option with a 1.1-liter engine, which on average will consume 3.6 liters / 100 km.

Citroen C4 Cactus is one of the most fuel efficient diesel vehicles on the market. This extravagant and unusual car is unlikely to please the representatives of the strong half of humanity, but for the ladies it is the very thing. And the point here is not only in the appearance of this Citroen model. French engineers equipped the Cactus with a rather weak engine. And this is its main disadvantage. But on the other hand, this car has a low consumption (on average 3.5 l / 100 km) and will not hit hard on family budget... Especially if the husband and wife have two cars. Citroen C4 Cactus will definitely appeal to women and those who are just starting to move from the category of pedestrians to motorists.

The 1st place in our rating of economical diesel cars is occupied by the Opel Corsa hatchback. The latest model is devoid of many of the shortcomings of previous versions. The design of the car has become more impetuous. The appearance corresponds to both a business woman and a respectable man. And the power of the motor allows you to feel comfortable both on the high-speed track and in the bustle of the city. But of course the main trump card of the Opel Corsa is economy - only 3.2 l / 100 km on average. The car not only "eats" little fuel, but also emits a minimum of harmful substances into the atmosphere. As for the comfort from movement on this "German" with French impurities, it is worth highlighting the high-quality suspension. Sound insulation disappointed a little. But can this minus outweigh the many objective advantages of the car? In addition, it has increased security.

Many car enthusiasts cannot understand why a diesel car is more economical than a gasoline one. Moreover, with the current cost of gasoline and diesel, which are practically equal to each other. The whole secret lies in the efficiency of the diesel engine itself, which consumes significantly less fuel for the same working volume. The difference in consumption can reach twofold, which means. That at one gas station you can drive twice as much, especially since modern diesel units are comparable in technical parameters with gasoline ones.

Now, some may wonder about that. What is the general point in buying cars with a gasoline engine? But even here not everything is so smooth, initially, the diesel version of the car is somewhat more expensive than gasoline counterparts, and maintenance have to be done more often, which leads to more expensive maintenance of the machine. Therefore, a diesel car will pay for itself only with high mileage and long-term use.

Peugeot 408

The car of this brand is equipped with a 1.6-liter diesel power unit, which produces up to 113 horsepower. Fuel consumption is declared at 6.2 liters. At the same time, it accelerates to 100 km / h in 11 seconds, which is not a bad result at a cost of 1,100,000 rubles.

The sedan received a spacious interior and a good package, all the more so. According to the company, car maintenance will not be expensive. At the same time, the car has undergone full adaptation to operating conditions in Russian conditions.

Citroen c4

This is a car of the same auto concern PSA. As is Peugeot. Therefore, it is equipped with the same 1.6-liter diesel unit, but with reduced fuel consumption. In this car, consumption is reduced to an astonishing 4.4 liters, but acceleration to 100 km / h is increased by 0.2 seconds. The cost of the car starts at 780,000 rubles.

The sedan from Citroen has a stylish exterior, high-quality assembly and a good range of options. Also, a robotic automatic transmission is available in the configuration. But the reported fuel consumption in mixed mode is suspicious. If he's real. That is only in "greenhouse" conditions.

Opel meriva

The car of the German automobile manufacturer, which is equipped with two variants of a diesel unit with a working volume of 1.7 liters, the declared power of 110 and 100 horsepower, and the fuel consumption is 6.4 liters. A manual transmission or automatic transmission is installed in a pair with the motors in six steps, while acceleration to "hundreds" takes 11.8 seconds.

The car has a comfortable and attractive interior, which can be supplemented with various options. Also, implemented unusual for modern world rear door opening system - against the movement, which facilitates access to the salon. Unfortunately, Opel has left the automotive market in Russia, so only used cars are available for purchase.

Kia soul

The car is equipped with a 1.6-liter diesel engine producing 128 horsepower. At the same time, for 100 kilometers of run in mixed mode, the consumption is 7.4 liters. And the price tag starts at 820,000 rubles.

The Kia Soul attracts attention with its extravagant exterior design, while boasting a high-performance Korean-made diesel engine that rivals the best of European manufacturers. The only drawback is the unsuccessful design of the luggage compartment, which is not very convenient to use.

VolksWagen Golf

A popular representative of the German automotive industry, who has earned the love and recognition of consumers for its quality and reliability. It has at its disposal a diesel unit with a working volume of 2 liters and producing 110 horsepower. The power unit is paired with a five-speed manual transmission. The declared diesel consumption is 6.4 liters per 100 kilometers. unfortunately, there is no information on the new generation diesel versions on the official website of the Russian division.

This is a reference car in its class, which deserves attention. The diesel engine does not amaze with power, but it remains relevant to this day. Of the minuses. We can note the absence of an automatic transmission and the high cost of additional options. And also, difficulties in finding a car in the secondary market.

Ford focus

It can be called one of the most popular cars in Russia, but the diesel version is sold a little worse than the gasoline counterpart. The package includes a diesel unit with two liters of displacement and 140 horsepower. Acceleration from 0 to 100 km / h takes 9.5 seconds and consumption does not exceed 6.8 liters in mixed mode. The price of a car in the diesel version was from 850,000 rubles, but the new generation lacks a diesel version.

The diesel variant is one of the most dynamic cars in its price segment. Also, there is a choice of body type and many trim levels. It is a decent choice for a diesel vehicle.

Hyundai i30 Wagon

Korean car with a 1.6-liter diesel engine of 128 horsepower, is paired with an automatic transmission in six steps. The declared fuel consumption is 7.9 liters per 100 kilometers in mixed mode, and acceleration to "hundreds" takes 11.7 seconds. There is no diesel version in the new line of cars from Russian dealers, but this is not a problem if you were going to purchase a used car. At the time of sales, the cost of the diesel version started at 900,000 rubles.

Cars in the back of a station wagon were equipped with a diesel unit, which is very logical for practical cars. Fuel economy with the practicality of the body is a guarantee of popularity in its segment of the automotive market.

Peugeot 3008

Not the cheapest car, which is a little out of the scope of the article, but it cannot be ignored. The price of a car in the diesel version starts from 1,600,000 rubles. The package includes a diesel unit with a working volume of 1.6 liters and 112 horsepower. At the same time, fuel consumption per 100 kilometers is 5.2 liters, and acceleration to 100 km / h will take 12.6 seconds.

The car is presented to the public as a crossover, but at its core it is a compact van with a crossover character. It is distinguished by a comfortable and spacious interior, with a large luggage compartment. The package includes a six-speed automatic transmission and a fairly stiff suspension.

Skoda Octavia Combi

Also. One of the most popular representatives of cars in its class, which is equipped with a diesel two-liter engine with 140 horsepower. The motor is paired with an automatic robotic gearbox with six steps, which allows the station wagon to accelerate to 100 km / h in 8.3 seconds. At the same time, the consumption does not exceed 7.2 liters of fuel per 100 kilometers in mixed mode.

This car qualitatively differs from similar station wagons with good dynamics and high-quality and thoughtful interior design. The car is equipped with the only option of an automatic DSG gearbox. It also has a spacious luggage compartment for 580 liters, and the price starts at 1,650,000 rubles.

Volkswagen touran

The representative of German compact van who wants to be a crossover. It is completed with a reliable diesel unit with a working volume of 2 liters and has a capacity of 110 horsepower. There is a variety in the choice of transmissions. Which is represented by a mechanical and robotic preselective gearbox with six steps. The declared fuel consumption of 6.8 liters per hundred kilometers justifies the cost of the car. The price for the diesel version starts at 1,440,000 rubles.

Like most cars from the German manufacturer, the compact MPV from VolksWagen is distinguished by a well-thought-out interior and build quality. Also, there is a seven-seater configuration, which retains the convenience of using the interior, but deprives the car of the trunk.

This was the first part of an article about inexpensive diesel cars on Russian market, you can read the continuation here.

Since 2016, the share of diesel vehicles on Russian roads has increased. If earlier with such engines they bought trucks, now the sales of passenger cars have increased. Diesel engines are economical and powerful. Let's figure out which diesel cars are popular in Russia.

Advantages and disadvantages of a diesel engine

For passenger cars, compact versions of truck engines are made. Engineers have created a solution to increase power and reduce engine noise. Compared to gasoline, the advantages of diesel units are as follows:

higher efficiency - 36% of the fuel is converted into energy (26% for gasoline);
low probability of spontaneous combustion;
fuel is more affordable;
fuel consumption is less by 25%;
exhaust gases are less toxic;
no ignition system;
high endurance of the motor;
the presence of a turbocharger, which allows to increase the power of the acceleration speed;
the fuel simultaneously acts as an oil, washing the engine parts.

The diesel engine is water resistant. It helps to increase the vehicle's cross-country ability. With all the listed advantages, the unit cannot be called universal. Before choosing a car with such an engine, you need to consider the disadvantages:

low freezing point of diesel fuel;
noise when idling;
expensive parts and service;
it is imperative to use a high power starter;
it is important to fill only high-quality fuel, without impurities
you need to warm up the combustion chamber;
the unit cannot be used at high speeds;
fuel is separated by seasons; in winter it is forbidden to use what is intended for summer;
problems with starting in severe frosts due to lack of compression.

Nonetheless, diesel vehicles remain popular with consumers. The share of their sales has grown significantly.
Rating of the most popular cars
New diesel vehicles are in greatest demand on the Russian market. The Avtostat agency analyzed their sales and compiled a list of the most popular models:
The experts have created their own rating. They call the best engines the ones developed by Ford. Even in the American market, Chrysler units have good characteristics. In Europe, the most reliable and dynamic engines are from Mercedes and BMW. The Asian market is represented by reliable engines from Toyota and Hyundai. Chinese manufacturers are already catching up with them, their units are the most inexpensive to maintain.