Used car guide

2020 Renault Kadjar: common problems and what to check

What gets flagged at MOT on 2020 Renault Kadjars, from 7,986 tests in 2025, plus known faults and what to look at before you buy one.

7,986MOT tests in 2025
82%pass first time (all 2020 cars: 86%)
7,100typical miles a year
2×the usual rate for tyre condition

What stands out

Parts flagged at MOT more often on 2020 Renault Kadjars than on all cars registered in 2020.

  • Tyre condition2× usual
    Renault Kadjar
    26.7% All 2020 cars
    13.5%

    Failed outright at MOT: 6.6%, against 3.5% of all 2020 cars. The rest were advisories or minor defects.

    Rough price £70–£150 our estimate

    At the viewing: Check the tread on all four tyres, including the inside edges. Uneven wear can point to tracking or suspension problems.

  • Brake pads1.7× usual
    Renault Kadjar
    15.5% All 2020 cars
    9.3%

    Failed outright at MOT: 2.7%, against 1.6% of all 2020 cars. The rest were advisories or minor defects.

    Rough price £75–£175 (one axle) ClickMechanic

    At the viewing: Listen for squealing or grinding when braking, and look through the wheel at how much pad is left.

  • Wheels3.3× usual
    Renault Kadjar
    2.3% All 2020 cars
    0.7%

    Failed outright at MOT: 0.2%, against 0.2% of all 2020 cars. The rest were advisories or minor defects.

    Rough price £70–£150 our estimate

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

  • Suspension arm bushes and joints1.7× usual
    Renault Kadjar
    3.1% All 2020 cars
    1.8%

    Failed outright at MOT: 0.2%, against 0.3% of all 2020 cars. The rest were advisories or minor defects.

    Rough price £120–£180 (one arm) ClickMechanic

    At the viewing: Listen for clunks over bumps and feel for the steering wandering. Worn arm bushes show as cracked rubber near the wheels.

By area

The share of 2020 Renault Kadjar MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    38% 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
    22% 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
    9% 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
    6% of testsRough price £15–£250

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

  • Suspension
    5% of testsRough price £120–£400

    At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.

  • Seats and seatbelts
    4% of testsRough price £80–£250

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

Looking at a Renault Kadjar?

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

Other years

YearMOT testsMost flagged
2022679Tyres 20%
20211,539Tyres 27%
201911,751Tyres 36%
201810,934Tyres 33%
201714,504Tyres 33%
201618,963Suspension 35%
20152,984Suspension 40%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2020 Renault Kadjars registered in 2020. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score