Used car guide

2020 Audi A3 hybrid: common problems and MOT failures

What MOT testers find on the hybrid Audi A3 first registered in 2020 (hybrid cars only): we looked at the 4,186 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

4,186MOTs of 2020 hybrid cars, done in 2023–2025
84%pass first time (all 2020 cars: 87%)
8,600typical miles a year
1.8×the usual rate for tyre condition

What goes wrong more than usual on a 2020 Audi A3 hybrid?

Parts flagged at MOT more often on the 2020 Audi A3 hybrid than on all cars registered in 2020.

  • Tyre condition1.8× usual
    Audi A3
    19.9% All 2020 cars
    11.2%

    Failed outright at MOT: 9%, 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.

  • Shock absorbers5.6× usual
    Audi A3
    8.9% All 2020 cars
    1.6%

    Failed outright at MOT: 0.5%, against 0.3% of all 2020 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.

Better than most

Brake pads: 0.7% here, against 7.7% of all 2020 cars.

Common 2020 Audi A3 hybrid MOT failures and advisories

The share of 2020 Audi A3 hybrid MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    32% 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
    9% 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
    7% 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
    5% 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.

  • 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 2020 Audi A3 hybrid

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.

  • Coolant leaks from the water pump housing

    TFSI petrol

    The plastic cooling module on the TFSI petrol engines can leak, usually after 60,000 miles.

    At the viewing: Look for coolant crust around the engine, check the level, and notice any sweet smell.

    If it needs doing: Water pump, about £115–£375. ClickMechanic

    Source: Euro Premium Parts: Audi A3 8V reliability guide

  • S tronic automatic

    S tronic automatic only

    The S tronic gearbox can jerk or hesitate at low speed, usually when its oil changes have been skipped.

    At the viewing: If it’s an automatic, pull away gently from a standstill several times and ask for proof of gearbox servicing.

    Source: Euro Premium Parts: Audi A3 8V reliability guide

Questions to ask the seller before buying a 2020 Audi A3 hybrid

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

  1. Any recent work on the tyre condition? (Flagged at MOT 1.8× as often on the 2020 Audi A3 hybrid as on other cars the same age.)
  2. Any recent work on the shock absorbers? (Flagged at MOT 5.6× as often on the 2020 Audi A3 hybrid as on other cars the same age.)
  3. Can I see the service history and receipts for any big jobs?

Looking at an Audi A3?

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 Audi A3 compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
2023964Tyres 20%
202218,492Tyres 31%
202141,311Tyres 30%
201962,682Tyres 29%
201880,317Tyres 29%
2017101,012Tyres 29%
2016116,251Tyres 30%
2015124,508Tyres 31%
2014116,471Tyres 31%
201381,869Tyres 33%
201276,741Suspension 35%
201164,352Suspension 41%
201074,207Suspension 45%
200966,721Suspension 45%
200856,466Suspension 46%
200744,093Suspension 49%
200636,013Suspension 52%
200524,083Suspension 52%
200410,569Suspension 52%
20034,877Suspension 51%
20023,732Suspension 49%
20012,674Suspension 47%
20001,738Suspension 48%
1999972Suspension 47%
1998740Brakes 48%
1997299Brakes 48%
1996–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 Audi A3 cars first registered in 2020. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score