Used car guide

2021 Skoda Karoq diesel: common problems and MOT failures

What MOT testers find on the diesel Skoda Karoq first registered in 2021 (diesel cars only): we looked at the 1,227 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

1,227MOTs of 2021 diesel cars, done in 2023–2025
89%pass first time (all 2021 cars: 87%)
9,900typical miles a year
9.8×the usual rate for shock absorbers

What goes wrong more than usual on a 2021 Skoda Karoq diesel?

Parts flagged at MOT more often on the 2021 Skoda Karoq diesel than on all cars registered in 2021.

  • Shock absorbers9.8× usual
    Skoda Karoq
    13.7% All 2021 cars
    1.4%

    Failed outright at MOT: 1.3%, against 0.3% of all 2021 cars. The rest were advisories or minor defects.

    Rough price £200–£300 (pair, average rear to front) ClickMechanic

    At the viewing: Push down hard on each corner. It should bounce once and settle. Look for oil on the shock absorber body.

  • Suspension arm bushes and joints3.7× usual
    Skoda Karoq
    3.3% All 2021 cars
    0.9%

    Failed outright at MOT: 0.4%, against 0.1% of all 2021 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.

Common 2021 Skoda Karoq diesel MOT failures and advisories

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

  • Tyres
    24% 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.

  • Suspension
    17% 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.

  • Brakes
    17% 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.

  • 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.

  • Lights and electrics
    3% of testsRough price £10–£80

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

  • Seats and seatbelts
    2% of testsRough price £80–£250

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

Known faults on the 2021 Skoda Karoq diesel

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.

  • Weak batteries (early cars) and fuel flap

    All engines

    Some early cars had poor batteries, and some fuel flaps are hard to open.

    At the viewing: Ask whether the battery has been replaced, and open the fuel flap.

    Source: Auto Express: used Skoda Karoq review

Questions to ask the seller before buying a 2021 Skoda Karoq diesel

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

  1. Any recent work on the shock absorbers? (Flagged at MOT 9.8× as often on the 2021 Skoda Karoq diesel as on other cars the same age.)
  2. Any recent work on the suspension arm bushes and joints? (Flagged at MOT 3.7× as often on the 2021 Skoda Karoq diesel as on other cars the same age.)
  3. Can I see the service history and receipts for any big jobs?

Looking at a Skoda Karoq?

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 Skoda Karoq compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
2023862Tyres 16%
20229,058Tyres 22%
202037,066Tyres 27%
201942,933Tyres 27%
201841,310Tyres 28%
2017243Brakes 28%

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