Used car guide

2021 Jeep Renegade petrol: common problems and MOT failures

What MOT testers find on the petrol Jeep Renegade first registered in 2021 (petrol cars only): we looked at the 2,715 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

2,715MOTs of 2021 petrol cars, done in 2023–2025
88%pass first time (all 2021 cars: 87%)
7,000typical miles a year
7.2×the usual rate for engine oil leaks

What goes wrong more than usual on a 2021 Jeep Renegade petrol?

Parts flagged at MOT more often on the 2021 Jeep Renegade petrol than on all cars registered in 2021.

  • Engine oil leaks7.2× usual
    Jeep Renegade
    2.9% All 2021 cars
    0.4%

    Failed outright at MOT: 0%, against 0% of all 2021 cars. The rest were advisories or minor defects.

    Rough price £80–£600 our estimate

    At the viewing: Look under the engine and where the car is usually parked for fresh oil. Ask whether the leak has been looked at.

Better than most

Brake pads: 2.8% here, against 6.1% of all 2021 cars.

Common 2021 Jeep Renegade petrol MOT failures and advisories

The share of 2021 Jeep Renegade petrol MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    27% of testsRough price £70–£150

    At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.

  • Brakes
    9% of testsRough price £150–£350

    At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.

  • Lights and electrics
    4% of testsRough price £10–£80

    At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.

  • Wipers, windscreen and mirrors
    4% of testsRough price £15–£250

    At the viewing: Check for chips in the driver's view, and test the wipers and washers.

  • Oil and fluid leaks
    3% of testsRough price £80–£600

    At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.

  • Seats and seatbelts
    3% of testsRough price £80–£250

    At the viewing: Pull each seatbelt sharply. It should lock, and retract cleanly.

Known faults on the 2021 Jeep Renegade petrol

Reported by owners, mechanics and buying guides for this model and age. Check which engine the car has, as some apply to one engine only.

  • Recalls: airbags, engine mount, gearbox wiring

    Some cars

    Recalls covered side airbags that might not deploy (built Oct to Nov 2016), restraint software (built July 2017 to June 2019), a right-hand engine mount (built Oct to Dec 2018) and a wiring fault that could put the automatic into neutral.

    At the viewing: Ask a Jeep dealer to check the VIN for outstanding recalls.

    Source: What Car?: used Jeep Renegade (2015 on) reliability

Questions to ask the seller before buying a 2021 Jeep Renegade petrol

Ask before you travel to see it. A seller who knows the car will have answers, and receipts.

  1. Have all the recalls been done?
  2. Any recent work on the engine oil leaks? (Flagged at MOT 7.2× as often on the 2021 Jeep Renegade petrol as on other cars the same age.)
  3. Can I see the service history and receipts for any big jobs?

Looking at a Jeep Renegade?

Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.

Other years

Every year of the Jeep Renegade compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
2023–Too new for MOT data
2022798Tyres 24%
20205,950Tyres 25%
20195,497Tyres 27%
20186,809Tyres 30%
201712,009Tyres 31%
201631,381Tyres 32%
201517,571Tyres 32%

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Jeep Renegade cars first registered in 2021. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score