There isn’t a single engine in the Grand Cherokee. Depending on the model year and trim, the SUV can be equipped with a gasoline V6 or V8, a diesel V6, or a plug-in hybrid system, with mild-hybrid assists on some gasoline engines.
The following sections outline the main engine options historically offered, with notes on availability by year and market.
Gasoline engines
These are the traditional petrol powertrains that have powered most Grand Cherokee models over the years. Availability varies by generation and trim, and some engines include mild-hybrid tech to improve efficiency.
- 3.6L Pentastar V6 (gasoline) — widely used across generations; often paired with a 48V mild-hybrid eTorque system on many trims.
- 5.7L Hemi V8 (gasoline) — common on higher trims and certain years; typically offers strong towing and performance.
- 6.4L Hemi V8 (gasoline) — found in high-performance SRT variants; tuned for higher output.
- 6.2L supercharged Hemi V8 (gasoline) — used in the Trackhawk high-performance model; very high horsepower, limited production.
Availability of the above engines depends on the model year and market, and some high-performance variants have been discontinued in later generations.
Diesel option
The Grand Cherokee has offered a turbodiesel option in several generations, valued for torque and fuel efficiency on long trips. The 3.0L EcoDiesel V6 has appeared in various years and trims, with availability varying by market and model year.
- 3.0L EcoDiesel V6 (diesel) — turbocharged diesel option; popular for high torque and better highway efficiency, but not always available in every year/trim.
Diesel availability can change with redesigns and regional regulations, so check current specs for the exact model year you’re considering.
Hybrid and plug-in hybrid options
In recent years, Jeep introduced electrified powertrains for the Grand Cherokee, including a plug-in hybrid variant and mild-hybrid assistance on some gasoline engines.
- Grand Cherokee 4xe (plug-in hybrid) — combines a 2.0L turbocharged engine with electric motors and a battery to provide electric driving and enhanced total output; typically offers a combined power figure around 375 hp and provides some electric-only range.
- eTorque mild-hybrid systems (48V) on select gasoline engines — found on certain 3.6L Pentastar configurations to improve start-stop efficiency and low-end torque; not a full hybrid.
Plug-in hybrid availability and battery size vary by trim and market, so verify the exact configuration for any given vehicle.
Summary
Across its history, the Jeep Grand Cherokee has offered a range of motors to suit different needs—from efficient V6 gas engines and torquey V8s to a turbodiesel option and modern plug-in hybrid powertrains. When shopping, confirm the exact engine and drivetrain in the specific year and trim you’re interested in, as configurations shift with updates and regional offerings.