When buying a car, each driver is interested in what is the most reliable engine. From this factor depends on the safety and durability of the vehicle. It should be noted that each motor has its own characteristics regarding reliability and resistance to various influences. Let's look at which engines can claim to be truly the best.
The best among diesel engines
First, let's determine what the most reliable engine among diesel varieties. We will only say that recently cars with such units are becoming more and more popular. They are distinguished by their sporty character, speed and stability. If you drive a lot and often, diesel engines for this purpose are simply irreplaceable. And if the motor is an old generation, it has a good margin of safety with its simplicity of design.
Mercedes-Benz OM602
The most reliable diesel engine for Mercedes-Benz is from the OM602 family. such engines are represented by 5-cylinder versions. They have two valves per cylinder, a mechanical injection pump. Drivers note that this motor is leading in terms of the following characteristics: car mileage and resistance to environmental influences. With not the greatest power (90-130 hp), the units have always been considered the most reliable and economical. These engines were put on Mercedes cars in the back of W124, W201 (MB190), G-class SUVs, T1 and Sprinter vans. If you timely monitor fuel equipment and attachments, these diesels are able to "wind" a huge number of kilometers.
BMW M57
Probably the most reliable passenger car engines of our time are created in Bavaria. In addition to durability, they are characterized by a sporting spirit, which in principle changes the image of a diesel engine. BMW engineers were able to prove to the world that such a unit can be fast, and you can put it on any type of machine. In cars of the BMW brand, there are a variety of powertrains, and diesel engines have become popular not so long ago.
Which BMW engine is the most reliable among diesel engines? Experts focus on the turbocharged 4-cylinder BMW N47D Twin Turbo engine, which has a volume of 2.0 liters. He was recognized as the winner in the "Best New Developments" category. Note that this motor is placed on a huge number of models. And in general, buyers prefer gasoline engines, rather than diesel, which can freeze in winter.
BMW
The most reliable BMW engine in 2016 is the BMW B58, which is placed on the 340i F30. This is a 6-cylinder power unit, which is gradually equipped with new models of BMW cars. It should be noted that BMW is systematically introducing gasoline and diesel engines of a modular family into its vehicles. Their feature is unified components and a single half-liter working volume of one cylinder. At the same time, BMW hatchbacks have been equipped with 118i engines with a turbo engine of 1.5 liters with a power of 136 liters since 2015. from. And coupes and convertibles of the second series - 2.0 liter diesel engines.
The most reliable BMW passenger car engines, according to experts, are not gasoline, but TwinPower Turbo diesel engines with three or four cylinders. The B47 and B37 engines are complemented by an injection system and turbochargers that can change geometry. In the same 2015, BMW models were supplemented by a productive four of a new generation with a capacity of 23 liters. from. Thus, the engines on the BMW are reliable and high-power, albeit simple in design.
Note that the average resource of BMW engines is estimated at 150,000 km, as their parts are not always distinguished by outstanding quality. In addition, not all models in the line have factory repair dimensions. Therefore, problems may arise with the replacement of power units.
Audi
Which Audi engines are the most reliable? There is no definite answer. But both users and experts highlight 1.4-liter gasoline engines with a capacity of 150 liters. S., 190 l. from. and 252 liters from. Moreover, the latter is complemented by four-wheel drive Quattro. Among the diesel units, TDI four-cylinder engines are in demand, with a capacity of 150 liters. from. and 190 liters. from. In addition to them, a 6-speed manual gearbox is installed.
Another engine that can be distinguished as the most reliable Audi engine is the A4 Avant g-tron 2.0 TFSI (170 hp). Its feature is the ability to work on compressed natural gas. As for the Audi A6 model, here users emit a three-liter aspirated. Its reliability is explained by the old production technology and cast-iron sleeves. True, such a motor has not been produced since 2008.
Volkswagen
It is noteworthy, but the Volkswagen brand considers diesel engines to be the most reliable units. In the entire range of engines, the most reliable Volkswagen engine is the 5-cylinder AXD with a displacement of 1.8 liters. According to both drivers and specialists, this engine is good for excellent power capabilities with fairly modest fuel consumption. In most cases, this unit is equipped with a Volkswagen Tiguan.
It is not so easy to determine the most reliable engine among gasoline configurations. In this list, it is necessary to note a stable 2-liter AWM engine in operation, showing a power of 140 liters. from. They are equipped with such models as the Jetta, Tiguan. Among the advantages of the motor, users note excellent behavior in any driving style and on any road surface.
For a long time, the V6 engine was considered the most reliable . Among its advantages distinguished excellent dynamics during movement, power, fast acceleration. The unit is liked by those who often go to nature, where the roads do not differ in quality and evenness. The most reliable engines among the six-cylinder models - ABU with a volume of 1.8 liters. With a simple design, the unit is good for drivers who are just starting to drive a car. In addition, it is balanced. When the motor is running, vibration of the main mechanisms and components does not occur. This engine is able to last even with a mileage of more than a million kilometers.
Japanese production
The most reliable engines have always been produced by Japanese brands. We offer an overview of the most popular and best in terms of quality and reliability of motors. Probably the most stable in behavior can be considered the Toyota 3S-FE unit. Being reliable, it is also unpretentious. Has a volume of 2.0 liters, 4 cylinders and 6 valves. This engine was installed on such models as Camry, Carina, Corona, Avensis, Altezza. According to mechanics, the motors in this series are characterized by their amazing ability to withstand any load. In addition, it is easy to repair due to a well-thought-out design. The Toyota 1-AZ series engine, whose resource is about 200,000 km, showed itself well in operation.
The most reliable car engines can be distinguished among the line for the Mitsubishi. Mitsubishi 4G63 is a power unit that has been constantly changing, improving, due to which it has become equipped with a timing system for adjusting the timing, complex boost systems. It is noteworthy that the motor is placed not only on the Mitsubishi, but also on cars of the brands Huyndai, Kia, Brilliance. Million kilometers can be reached by naturally aspirated engines, although turbocharged variations have a long service life. There are no serious "diseases" in the Mitsubishi 4B11 series motor, which has a resource of 200,000 km. Due to the high quality of the elements, simplicity of design, lack of complex parts, a high level of reliability of the unit is achieved.
Honda D-series is a representative of the Japanese family of engines, in the series of which there are more than 10 models of engines with a volume of 1.2-1.7 liters. According to experts, these are perhaps the most indestructible models that can show a combat character with a small work resource. Among the new products can distinguish the Honda R20 series engine. It is characterized by high quality parts, a simple valve adjustment circuit. The most reliable representative of Japanese engines can rightfully be considered the Subaru EJ20 series. It is still put on some models of cars, however, only those that are operated in Japan. The resource of this power unit is 250,000 km, the quality of parts is high. True, original spare parts for the motor are not cheap.
Opel 20ne
Among the reliable can be noted a model from the Opel 20ne family of engines. Its peculiarity is that it served much longer than the vehicles for which it was used. The simple design consists of 8 valves, a belt drive, a simple distributed injection system. According to experts, this is what affects the longevity of the motor. C20XE is another motor that belongs to the Opel family. It was installed on racing cars and earned good reviews for quality, stability and simple construction. True, today this power unit is rarely used to equip vehicles.
Class struggle
All modern engines can be divided into classes in accordance with the classes of vehicles on which they are placed. And this affects their technical and operational properties. So, in a small car class, which, incidentally, is the most common in our country, they are distinguished by their practicality and the absence of any serious innovations. For cars in this segment, the K7M engine from Renault is most often installed, which is characterized by the highest reliability indicators. Her recipe, by the way, is very simple: the engine has a volume of 1.6 liters, 8 valves, but it does not have any complex parts and mechanisms. The second and third places in the small class can be put power units VAZ-21116 and Renault K4M.
In the middle segment, the leader can rightfully be considered K4M from Renault. True, the machines themselves are large and powerful, equipped with automatic transmission, which increases the requirements for power and motor. Among the cheap but practical engines in the middle class can be noted Z18XER, which is put on cars l Astra J, Chevrolet Cruse, Opel Zafira.
In terms of reliability, in the second place in the middle class we will put a series of Hyundai / Kia / Mitsubushi G4KD / 4B11 engines, which are always leaders in quality and operational characteristics. Their working volume is 2.0 l, there is a timing adjustment system, a simple power system, and high build quality. Such motors are installed on any cars of sufficiently high power and adaptability: Hyundai i30, Kia Cerato, Mitsubishi ASX, Hyundai Sonata.
Junior Business Class
In the junior business class, two-liter engines can be distinguished. For example, 2AR-FE with a capacity of 165-180 liters. with., which is equipped with Toyota Camry. It is a reliable and practical powertrain. Being simple, it is of high quality. In second place in the business class are the G4KE / 4B12 Hyundai / Kia / Mitsubishi engines. Cars of this segment differ in overall dimensions and power. Accordingly, the engine must meet the requirements of reliable operation and manufacturability.
Senior Business Class
In the senior business class, prestigious sedans are presented, the maintenance of which is expensive. And the motors themselves are distinguished by complexity and power. The leaders in this class are Lexus: 2GR-FE and 2GR-FSE engines are placed on the models of this brand and premium SUVs. The operation of the motor, according to users and experts, is not distinguished by the presence of problems.
In second place in this class is the Volvo B6304T2 - a turbo engine that is cheap and easy to operate. In third place is the Infiniti Q70 VQVQ37VHR. It attracts attention with power, and with glorious execution, and reliability, which has developed historically. As for executive cars, you will have to do without a rating, as their operation and maintenance cost a pretty penny. Accordingly, the equipment of such machines is up to par, but it requires serious investment.
findings
Thus, a car of almost every brand or class can be equipped with reliable, and therefore trouble-free engines in operation. When choosing a car, be sure to find out everything you can about its engine. Indeed, the durability of the operation of the entire vehicle depends on its quality and reliability. True, many motors are no longer used to equip modern cars.