The 2021 Grand Cherokee L is less reliable than other cars from the same model year.
The Reliability score is based on our latest subscriber survey of 2021 Jeep Grand Cherokee L owners. The owner comments describe problems respondents experienced with this vehicle.
Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
""Every time Apple updates the iPhone, the Bluetooth wont connect to the car until Jeep releases an update, which can often take days or weeks.""
Anonymous, SC (2021 Jeep Grand Cherokee L Overland 3.6-L V6)Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
"I was getting water on the driver floor. Took to dealer paid 700 was ok for about 2 months then started again. I went on line and found a fix. It worked and all is ok."
Anonymous A., MA (2021 Jeep Grand Cherokee L Limited 3.6-L V6)""There still is a knocking sound coming from the front passenger side. It feels like is an engine mount that needs to be replaced but the dealership says is all in my head, that they do not hear anything and that it is normal engine sound""
Anonymous, PA (2021 Jeep Grand Cherokee L Summit 3.6-L V6)Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
"Michelin tires that after 26000 miles had a tread of 1/32 on all four tires. I am battling with Michelin ang the dealer to attempt to have them replace the tires for such poor wear. I am 85 and a very lawful driver. No skidding of speed is ever involved. Two tire specialists have told me the wear is very unusual and Michelin should be held responsible. The dealer insists that they were not specially purchased for the car/"
Anonymous, VT (2021 Jeep Grand Cherokee L Limited 3.6-L V6)"Uconnect system went. No phone, GPS, No Sound, Nothing. Horrible problem. Dealership had my vehicle off and on for 3 weeks. I paid out of pocket for a rental. Horrible experience. I blame Uconnect more than Stellantis. I had this happen twice in my 2016 Chrysler 300S so I was prepared and this was my biggest fear. In the end Stellantis made it right, but no love for Ucconect"
Anonymous, NH (2021 Jeep Grand Cherokee L Limited 3.6-L V6)Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
"Had to have valves rebuilt twice."
Anonymous A., (2021 Jeep Grand Cherokee L Laredo 5.7-L V8)"Started hearing a helicopter like sound when stopped in gear. Started in Feb 2024 when traveling to Florida . It was only happening in warm weather. It took 3 trips to dealer to get problem resolved. First trip weather was to cold to replicate. Second trip they replaced perge valve for fuel system. 3rd trip when at dealer told them to check motors mounts. They reluctantly did and found they did need to be replaced the motor mounts."
Anonymous A., ND (2021 Jeep Grand Cherokee L Limited 3.6-L V6)Cruise control, clock, warning lights, body control module, keyless entry, wiper motor or washer, tire pressure monitor, interior or exterior lights, horn, gauges, 12V power plug, USB ports, alarm or security system, remote engine start, heated or cooled seats, heated steering wheel, headlights, automatic headlights, automatic wipers, wireless charging pad.
"Sometimes the power liftgate does not work. It says unavailable and you have to manually open or shut it."
Anonymous, IL (2021 Jeep Grand Cherokee L Overland 3.6-L V6)Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
"The jeep has a death Rattle at 70 miles per hour. I have always driven jeeps my son fixed the problem on my old 1999 jeep it was the track bar. However the newer jeeps don't have that anymore. Now it's some kind of triangular shaped component in the front of the car that takes major work to get to."
Anonymous, CA (2021 Jeep Grand Cherokee L Limited 3.6-L V6)Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
Transmission rebuild or replacement, torque converter, premature clutch replacement.
Shocks or struts, ball joints, tie rods, wheel bearings, alignment, steering linkage (includes rack and pinion), power steering (pumps and hoses, leaks), wheel balance, springs or torsion bars, bushings, electronic or air suspension.
Alternator, starter, hybrid battery replacement, hybrid battery related systems, regular battery, battery cables, engine harness, coil, ignition switch, electronic ignition, spark plugs and wires failure, auto stop/start.
Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
Windows, locks and latches, doors or sliding doors, tailgate, trunk or hatch, mirrors, seat controls (power or manual), seat belts, sunroof, convertible top, glass defect.
Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
""The central display would regularly go blank, freeze up, and restart while driving. It would shut off music and reset gps when this would happen. It was eventually classified as a complete failure and the entire unit had to be replaced.""
Anonymous, MI (2021 Jeep Grand Cherokee L Overland 3.6-L V6)