Performance and driving impressions. While a 4xe plug-in hybrid drivetrain is scheduled for next spring, the 2022 Grand Cherokee carries over with the same tried and proven engines as before. Base models come standard with a 3.6-liter V6 good for 293 horsepower and 260 lb-ft of torque, while higher end models get an available 5.7-liter HEMI V8 The 2.0L DOHC DI Turbo PHEV engine uses 4xe technology to provide up to 375 horsepower and 470 pound-feet of torque for a maximum towing capacity of up to 6,000 pounds5, combining advanced capability and incredibly efficient energy. UP TO MAXIMUM HORSEPOWER. 4vlbt.