The Most Reliable Engine for a Jeep Grand Cherokee, Ranked

Voting rules: Choose the engine you think is the most reliable!

Updated on Apr 11, 2024 07:48

When it comes to maintaining a Jeep Grand Cherokee, the reliability of the engine is paramount. Owners often discuss which engines provide the most dependable performance, especially considering the challenging conditions a Jeep is often subjected to. Having a reliable engine can mean the difference between an enjoyable adventure and being stranded in the middle of nowhere. This community-driven ranking helps to shed light on which engines are meeting the mark. By gathering opinions from a multitude of Jeep owners, we can collate real-world experiences to form a comprehensive guide. The rankings you see are continually updated based on user votes, ensuring they reflect current opinions and experiences.

What Is the Most Reliable Engine for a Jeep Grand Cherokee?

1

67
votes
Lloyd Arnold · Public domain

5.7L Hemi V8

Chrysler Corporation

This engine provides excellent performance and power, making it a popular choice for Jeep Grand Cherokee owners. It is also known for its reliability and durability.
The 5.7L Hemi V8 is a powerful and reliable engine designed for the Jeep Grand Cherokee. It is known for its smooth performance and excellent horsepower and torque capabilities.

Displacement: 5.7 liters

Cylinder Configuration: V8

Valvetrain: OHC

Fuel Type: Gasoline

Max Horsepower: 360 horsepower
2

11
votes
3.6L Pentastar V6

This engine is a newer addition to the Jeep Grand Cherokee lineup, but it has quickly become a favorite among owners. It offers a good balance of power and fuel efficiency, while also being reliable.
The 3.6L Pentastar V6 engine is a widely acclaimed and highly reliable engine used in the Jeep Grand Cherokee. It offers excellent performance, fuel efficiency, and durability, making it a popular choice among Jeep enthusiasts and everyday drivers alike.

Displacement: 3.6 liters

Cylinder Configuration: V6

Valvetrain: Dual Overhead Camshaft (DOHC)

Fuel Injection: Sequential Multi-port Fuel Injection (SMPFI)

Horsepower: 295 hp
3

16
votes
4.0L Inline-6

Chrysler Corporation

This engine was a staple in Jeep vehicles for many years and is known for its reliability and longevity. It may not have the same power as some of the newer engines, but it is still a solid choice for those looking for a dependable engine.
The 4.0L Inline-6 engine is a powertrain option for the Jeep Grand Cherokee. It is a six-cylinder engine with a displacement of 4.0 liters, characterized by its reliability and durability.

Displacement: 4.0 liters

Number of Cylinders: 6

Fuel Type: Gasoline

Power Output: 190 horsepower

Torque: 225 lb-ft
4

4
votes
4.7L V8

Chrysler Corporation

This engine was used in Jeep Grand Cherokees from 1999-2009 and is known for its reliability and durability. It offers decent power and performance, making it a good choice for those who want a V8 engine.
The 4.7L V8 is a gasoline-powered engine commonly used in the Jeep Grand Cherokee. It is known for its reliability and performance.

Displacement: 4.7 liters

Cylinder Configuration: V8

Valve Train: Overhead cam (SOHC)

Power Output: 235 horsepower

Torque: 295 lb-ft
5

6
votes
3.0L EcoDiesel V6

Fiat Chrysler Automobiles

This engine is a newer addition to the Jeep Grand Cherokee lineup and offers excellent fuel efficiency and torque. It is also known for its reliability and durability.
The 3.0L EcoDiesel V6 is a diesel engine designed for the Jeep Grand Cherokee. It is known for its reliability and fuel efficiency.

Displacement: 3.0 liters

Engine Type: V6

Fuel Type: Diesel

Horsepower: 240 hp

Torque: 420 lb-ft
6

14
votes
5.9L Magnum V8

Chrysler Corporation

This engine was used in Jeep Grand Cherokees from 1998-2004 and is known for its power and performance. It is also fairly reliable, although some owners have reported issues with the engine.
The 5.9L Magnum V8 is a powerful engine that was used in the Jeep Grand Cherokee. It was designed for performance and reliability.

Displacement: 5.9 liters

Configuration: V8

Cylinder Head Material: Cast Iron

Valvetrain: OHV

Fuel Delivery: Sequential Multi-Port Fuel Injection
7

15
votes
4.2L Inline-6

This engine was used in Jeep Grand Cherokees from 1993-1998 and is known for its reliability and durability. It offers decent power and performance, making it a good choice for those who want a reliable engine.
The 4.2L Inline-6 engine is a reliable and durable engine commonly found in the Jeep Grand Cherokee. It offers a balance of power and efficiency, making it a popular choice among Jeep enthusiasts. The engine was created by American Motors Corporation (AMC), which was later acquired by Chrysler.

Displacement: 4,190 cc (4.2 L)

Engine Type: Inline-6

Cylinder Configuration: Straight

Valvetrain: OHV (Overhead Valve)

Fuel Type: Gasoline
8

9
votes
The original uploader was Rafti Institute at English Wikipedia. · Attribution

3.7L V6

This engine was used in Jeep Grand Cherokees from 2005-2010 and is known for its reliability and fuel efficiency. It may not have the same power as some of the other engines on this list, but it is still a solid choice for those looking for a reliable engine.
3.7L V6 in other rankings
- Position 10 of 10 in Most reliable Ford Transit engine
9

5
votes
2.7L CRD V6

Mercedes-Benz

This engine was used in Jeep Grand Cherokees from 2005-2007 and is known for its fuel efficiency and torque. It is also fairly reliable, although some owners have reported issues with the engine.
The 2.7L CRD V6 is a diesel engine designed for the Jeep Grand Cherokee. It is known for its reliability and fuel efficiency.

Displacement: 2.7 liters

Cylinder configuration: V6

Power output: 161 horsepower

Torque: 295 lb-ft

Fuel system: Common rail direct injection (CRD)
10

9
votes
Lloyd Arnold · Public domain

6.4L Hemi V8

This engine is a newer addition to the Jeep Grand Cherokee lineup and offers excellent performance and power. It is also fairly reliable, although it may not be as fuel-efficient as some of the other engines on this list.
The 6.4L Hemi V8 is a powerful and reliable engine designed for the Jeep Grand Cherokee. It delivers impressive performance and is known for its robustness and durability.

Displacement: 6.4 liters

Type: V8

Power: 475 horsepower

Torque: 470 lb-ft

Fuel System: Sequential Multi-Port Fuel Injection (SMPFI)

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Discussion

Ranking factors for reliable engine

Engine design

The design of the engine plays a crucial role in its reliability. Engines with complex designs or lots of moving parts may be more prone to failure than simpler engines.
Maintenance requirements

The maintenance requirements of the engine are also important. Engines that require frequent maintenance or repairs may be less reliable than those that are low-maintenance.
Age and mileage

The age and mileage of the engine can affect its reliability. Engines that are newer or have lower mileage are generally more reliable than older, higher-mileage engines.
Brand reputation

The reputation of the engine brand can be a good indicator of its reliability. Engines from reputable brands with a history of producing reliable engines may be a safer bet than those from lesser-known or less reliable brands.
Driving conditions

The driving conditions that the engine is subjected to can also impact its reliability. Engines that are used in harsh driving conditions, such as off-roading or extreme temperatures, may be more likely to fail than those used in less demanding conditions.

About this ranking

This is a community-based ranking of the most reliable engine for a Jeep Grand Cherokee. 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

2344 views
146 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 engine for a jeep grand cherokee

The Jeep Grand Cherokee is a mid-size SUV that has been in production since 1992. It is known for its ruggedness, off-road capabilities, and stylish design. One of the most important components of any vehicle is its engine, and the Grand Cherokee is no exception. Over the years, the Grand Cherokee has been fitted with a range of different engines, each with its own unique strengths and weaknesses. In this article, we will explore the various engine options available for the Jeep Grand Cherokee and determine which one is the most reliable.