Used car guide

2021 Volkswagen Golf diesel: common problems and MOT failures

What MOT testers find on the diesel Volkswagen Golf first registered in 2021 (diesel cars only): we looked at the 9,015 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

9,015MOTs of 2021 diesel cars, done in 2023–2025
89%pass first time (all 2021 cars: 87%)
11,000typical miles a year
4.8×the usual rate for shock absorbers

What goes wrong more than usual on a 2021 Volkswagen Golf diesel?

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

  • Shock absorbers4.8× usual
    Volkswagen Golf
    6.7% All 2021 cars
    1.4%

    Failed outright at MOT: 0.8%, 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.

Common 2021 Volkswagen Golf diesel MOT failures and advisories

The share of 2021 Volkswagen Golf diesel 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
    10% 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.

  • Suspension
    7% 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.

  • 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 Volkswagen Golf 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.

  • Software glitches

    All engines

    The most common complaint: engine cut-outs, false safety warnings, phone pairing and keyless entry problems. Big updates need a dealer.

    At the viewing: Drive it long enough for the screens and driver aids to settle, and check for warnings.

    Source: Auto Express: used VW Golf Mk8 buyer's guide

Questions to ask the seller before buying a 2021 Volkswagen Golf diesel

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

  1. Has the software been updated at a dealer?
  2. Any recent work on the shock absorbers? (Flagged at MOT 4.8× as often on the 2021 Volkswagen Golf diesel as on other cars the same age.)
  3. Can I see the service history and receipts for any big jobs?

Looking at a Volkswagen Golf?

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 Volkswagen Golf compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
20231,017Tyres 14%
202226,616Tyres 27%
2020118,390Tyres 26%
2019158,276Tyres 26%
2018183,093Tyres 28%
2017208,069Tyres 28%
2016194,087Tyres 28%
2015201,242Tyres 29%
2014191,987Tyres 30%
2013164,395Tyres 31%
2012155,439Suspension 39%
2011150,967Suspension 46%
2010134,446Suspension 49%
2009131,689Suspension 47%
2008120,651Suspension 48%
2007120,598Suspension 49%
200688,396Suspension 49%
200560,414Suspension 49%
200438,578Suspension 52%
200349,876Suspension 50%
200242,606Suspension 48%
200124,107Suspension 48%
200013,522Suspension 49%
19998,175Suspension 49%
19983,758Suspension 44%
19972,891Suspension 37%
19962,765Brakes 39%
19951,455Brakes 39%
1994838Brakes 37%
1993783Brakes 30%
19921,687Lights and electrics 28%
19914,953Brakes 26%
19904,834Lights and electrics 28%
1989–Too few tests
1988–Too few tests
1987–Too few tests
1986–Too few tests
1985–Too few tests
1984–Too few tests
1983–Too few tests
1982–Too few tests
1981–Too few tests
1980–Too few tests
1979–Too few tests
1978–Too few tests
1977–Too few tests
1976–Too few tests
1975–Too few tests

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