2021 Jeep Grand Cherokee - Maintenance & Specs
The 2021 Jeep Grand Cherokee belongs to a Jeep Grand Cherokee lineup that Know Your Ride tracks across 23 model years, from 1993 to 2026. Engine options on record include the 5.7L V8, 5.7L, 5.7L Hemi. It is configured as all-wheel drive with an automatic 8-spd. The 2021 sits mid-run, with both earlier (1993) and later (2026) Grand Cherokee model years also documented.
It takes 5W-20 full synthetic oil, 7.0 qt with a new filter. Fluid specs on file include HOAT coolant, DOT 3 brake fluid, ATF+4 transmission fluid. Know Your Ride lists 14 scheduled maintenance items for this vehicle, the earliest interval falling at 7,500 miles. Documented torque values include oil drain plug 20 ft-lb, lug nut 100 ft-lb, spark plug 18 ft-lb.
NHTSA complaints for this vehicle cluster around unknown or other (32), exterior lighting (30), steering (29). A representative report reads: "I've had to replace a total of two times my transmission, including the heater cooler, condenser antifreeze, coolant equipment The radiator tire rods. I have a..." There are 12 safety recalls on record; one covers: Chrysler (FCA US, LLC) is recalling certain 2021 Jeep Grand Cherokee L vehicles. A radio software error may prevent the rearview image from....
EPA fuel economy is rated at 14 city / 22 highway MPG, 17 MPG combined. Estimated annual fuel cost is about $3,100.
Quick Specs
| Oil viscosity | 5W-20 |
| Oil type | Full Synthetic |
| Oil capacity (w/ filter) | 7.0 qt |
| Oil filter | Mopar 68191349AC |
| EPA combined | 17 MPG |
| Tire size | 245/60R18 |
| Coolant | HOAT |
| NHTSA overall | 5 / 5 stars |
| Open recalls on record | 12 |
| Technical service bulletins | 200 |
Common Trouble Codes
- P0300 - Random/Multiple Cylinder Misfire Detected
- P0420 - Catalyst System Efficiency Below Threshold (Bank 1)
- P0171 - System too Lean (Bank 1)
- P0128 - Insufficient Coolant Temperature for Stable Operation
- P0442 - Evaporative Emission Control System Leak Detected (small leak)
- P0455 - Evaporative Emission Control System Leak Detected (gross leak)
- P0700 - Transmission Control System Malfunction
- P0301 - Cylinder 1 Misfire Detected
- U0100 - Lost Communication With ECM/PCM A
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Part of the free Know Your Ride vehicle maintenance reference. Figures are sourced from EPA, NHTSA and manufacturer data and are for general reference - always confirm with your owner's manual.