The Most Reliable Four-cylinder Diesel Engine, Ranked

Voting rules: Choose the four-cylinder diesel engine you think is the most reliable!

Updated on May 9, 2024 06:57

Choosing the right four-cylinder diesel engine can be a crucial decision for drivers who value durability and efficiency. With various models available, each boasting its unique advantages, it's often a challenge to pinpoint which engine stands out in terms of reliability. This is where compiling rankings based on real-world experiences and expert opinions becomes invaluable. By participating in the voting process, users contribute to a clearer understanding of which engines deliver the best performance over time. This democratic approach helps potential buyers make informed choices and ensures that the rankings reflect current user experiences. So cast your vote and help others in their quest for the most reliable four-cylinder diesel engine.

What Is the Most Reliable Four-cylinder Diesel Engine?

1

38
votes
Volkswagen 2.0 TDI

Volkswagen

Known for great fuel economy and reliability, as well as being a popular choice for many VW models.
The Volkswagen 2.0 TDI is a four-cylinder diesel engine developed by Volkswagen. It is known for its reliability and fuel efficiency, making it a popular choice among VW diesel enthusiasts. The engine is capable of delivering decent power and torque while maintaining good fuel economy.

Engine Type: Four-cylinder diesel engine

Displacement: 2.0 liters

Fuel Injection: Direct Injection

Power Output: Varies depending on specific model and generation

Torque: Varies depending on specific model and generation
2

26
votes
Tokumeigakarinoaoshima · CC0

Toyota D-4D

Toyota

Toyota is known for producing reliable engines, and the D-4D is no exception. It's also known for having excellent fuel economy.
The Toyota D-4D is a four-cylinder diesel engine that is renowned for its reliability, performance, and efficiency. It is commonly found in Toyota vehicles and has gained a reputation for its durability and low maintenance requirements. The engine delivers excellent torque and power for its size and is known for its smooth operation and fuel efficiency.

Displacement: 2.0 - 3.0 liters

Number of cylinders: 4 cylinders

Turbocharged: Yes

Injection system: Common rail direct injection

Power output: Varies depending on model and generation
3

13
votes
Calinex · CC0

BMW N47

BMW AG

This engine is known for its efficiency and reliability, with many users reporting minimal issues even after high mileage.
The BMW N47 is a four-cylinder diesel engine renowned for its reliability and performance. It was developed by BMW AG, a German automotive manufacturer.

Displacement: 1.6 - 2.0 liters

Cylinder arrangement: Inline-4

Valvetrain: DOHC, 16-valve

Turbocharging: Single or twin turbocharger options

Power output: 105 - 218 horsepower
4

14
votes
Ford Duratorq

Ford Motor Company

The Duratorq is a popular choice for many Ford models and is known for its durability and fuel economy.
The Ford Duratorq is a series of four-cylinder diesel engines known for their reliability and performance. These engines are commonly used in Ford vehicles and have gained a reputation for their robustness and durability.

Engine Type: Inline four-cylinder

Fuel Type: Diesel

Displacement: 2.0 to 2.2 liters

Power Output: ranging from 99 hp to 197 hp

Torque: ranging from 234 lb-ft to 347 lb-ft
5

12
votes
Mercedes-Benz OM651

Mercedes-Benz

This engine is known for its low emissions and excellent fuel economy, as well as being a popular choice for many Mercedes-Benz models.
The Mercedes-Benz OM651 is a highly regarded four-cylinder diesel engine known for its reliability and efficient performance. It was developed by Mercedes-Benz, a renowned German automotive manufacturer.

Engine type: Four-cylinder diesel

Displacement: 2.2L

Power output: 150-204 horsepower

Torque: 300-500 Nm

Fuel injection system: Common rail direct injection
6

13
votes
Volvo D4

Volvo

The D4 is known for its reliability and efficiency, as well as being a popular choice for many Volvo models.
The Volvo D4 is a four-cylinder diesel engine known for its reliability and performance. It is designed and manufactured by Volvo, a Swedish multinational automotive company.

Type: Four-cylinder diesel engine

Displacement: 2.0 liters

Power Output: Between 163 and 190 horsepower

Torque: Between 250 and 400 Nm (Newton meters)

Fuel Injection System: Common rail direct injection (CRDi)
7

8
votes
Mazda SkyActiv-D

Mazda

This engine is known for its smooth operation and excellent fuel economy, as well as being a popular choice for many Mazda models.
The Mazda SkyActiv-D is a four-cylinder diesel engine developed by Mazda. It is designed to provide a balance of power, efficiency, and reliability.

Displacement: 2.2 liters

Cylinders: 4

Valvetrain: DOHC

Turbocharged: Yes

Compression Ratio: 14.0:1
8

10
votes
Fiat Multijet

Fiat Powertrain Technologies

The Multijet is a popular engine choice for many Fiat models and is known for its efficient and reliable operation.
The Fiat Multijet is a highly reliable four-cylinder diesel engine known for its efficiency and performance.

Displacement: Varies depending on model

Engine Type: Four-cylinder diesel

Fuel Injection System: Common Rail Direct Injection (CRDI)

Turbocharging: Yes

Intercooling: Yes
9

9
votes
Brian Snelson · CC BY 2.0

Peugeot HDi

Peugeot

The HDi is a popular engine choice for many Peugeot models and is known for its low emissions and excellent fuel economy.
The Peugeot HDi is a four-cylinder diesel engine known for its reliability, performance, and fuel efficiency. It has been widely used in various Peugeot car models and has gained a reputation for its durability and longevity.

Engine Type: Four-cylinder Diesel

Displacement: 2.0 - 2.2 liters

Power Output: 120 - 180 horsepower

Torque: 240 - 400 Newton meters

Fuel System: Common Rail Direct Injection (CRDI)
10

5
votes
Isuzu 4JJ1

Isuzu Motors Ltd.

This engine is known for its reliability and durability, with many users reporting minimal issues even after high mileage. It's also a popular choice for many Isuzu models.
The Isuzu 4JJ1 is a four-cylinder diesel engine known for its reliability and performance. It is commonly used in a variety of applications, including light and medium-duty trucks, SUVs, and commercial vehicles.

Displacement: 3.0L

Cylinder arrangement: Inline

Fuel system: Common rail direct injection (CRDI)

Compression ratio: 17.5:1

Maximum power output: 177 horsepower

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Discussion

Ranking factors for reliable four-cylinder diesel engine

Durability

The engine's ability to withstand wear and tear over time is a crucial factor in determining its reliability.
Fuel Efficiency

Fuel efficiency is a key factor in overall reliability, as a more efficient engine is less likely to suffer from issues related to excess fuel consumption.
Power and Torque

An engine that provides adequate power and torque helps reduce strain on the engine during operation, resulting in increased longevity.
Maintenance Costs

The cost of regular maintenance and repair of the engine is also an important factor in determining its overall reliability.
Brand and Model Reputation

The reputation of the brand and model of the engine, as well as the manufacturer's overall track record for reliability, are additional factors that can be taken into account.

About this ranking

This is a community-based ranking of the most reliable four-cylinder diesel engine. We do our best to provide fair voting, but it is not intended to be exhaustive. So if you notice something or engine is missing, feel free to help improve the ranking!

Statistics

2468 views
139 votes
10 ranked items

Voting Rules

A participant may cast an up or down vote for each engine once every 24 hours. The rank of each engine is then calculated from the weighted sum of all up and down votes.

More information on most reliable four-cylinder diesel engine

Diesel engines have been a popular choice for their fuel efficiency and durability. When it comes to four-cylinder diesel engines, there are several reliable options available in the market. These engines are commonly used in smaller vehicles, such as sedans, hatchbacks, and SUVs, and are known for their impressive torque and power output. Some of the most popular four-cylinder diesel engines include the Volkswagen TDI, BMW N47, and the Ford Power Stroke. However, choosing the most reliable four-cylinder diesel engine can be a subjective matter, as it depends on various factors, such as usage, maintenance, and driving conditions. Therefore, it's important to do thorough research and consider your specific needs before making a decision.