Used car guide

2000 Audi A3 diesel: common problems and MOT failures

What MOT testers find on the diesel Audi A3 first registered in 2000 (diesel cars only): we looked at the 243 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

Small sample: there were only 243 MOTs of these cars during 2023–2025, so treat the percentages as rough. The known faults below don't depend on it.

243MOTs of 2000 diesel cars, done in 2023–2025
51%pass first time (all 2000 cars: 61%)
6,200typical miles a year
5.1×the usual rate for steering rack inner joints

What goes wrong more than usual on a 2000 Audi A3 diesel?

Parts flagged at MOT more often on the 2000 Audi A3 diesel than on all cars registered in 2000.

  • Steering rack inner joints5.1× usual
    Audi A3
    19.3% All 2000 cars
    3.8%

    Failed outright at MOT: 0%, against 0% of all 2000 cars. The rest were advisories or minor defects.

    Rough price £100–£450 our estimate

    At the viewing: On a straight road the steering wheel should sit straight. Listen for knocks when turning, and check the steering feels even.

  • Suspension arm bushes and joints3.2× usual
    Audi A3
    20.6% All 2000 cars
    6.5%

    Failed outright at MOT: 6.6%, against 1.3% of all 2000 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.

  • Brake lights2.9× usual
    Audi A3
    12.3% All 2000 cars
    4.3%

    Failed outright at MOT: 9.9%, against 3.5% of all 2000 cars. The rest were advisories or minor defects.

    Rough price £10–£80 our estimate

    At the viewing: Ask a friend to check every light while you work the switches: indicators, brake lights, fog lights and reversing lights.

  • Coil springs2× usual
    Audi A3
    17.3% All 2000 cars
    8.7%

    Failed outright at MOT: 3.3%, against 1.6% of all 2000 cars. The rest were advisories or minor defects.

    Rough price £175–£400 (pair, one axle) ClickMechanic

    At the viewing: Look behind each wheel for a snapped spring coil, and listen for a clunk or twang when turning the wheel lock to lock with the car stopped.

  • Flexible brake hoses2.3× usual
    Audi A3
    14% All 2000 cars
    6%

    Failed outright at MOT: 1.2%, against 1% of all 2000 cars. The rest were advisories or minor defects.

    Rough price £50–£200 our estimate

    At the viewing: Look for cracked or bulging rubber hoses behind the wheels and in the engine bay.

Common 2000 Audi A3 diesel MOT failures and advisories

The share of 2000 Audi A3 diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Suspension
    56% 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
    49% 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
    42% of testsRough price £10–£80

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

  • 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.

  • Steering
    21% of testsRough price £100–£450

    At the viewing: On a straight road the steering wheel should sit straight. Feel for play or knocking when turning.

  • Exhaust and emissions
    19% of testsRough price £100–£1,200

    At the viewing: Look for black soot in the tailpipe, listen for blowing from the exhaust and check for engine or DPF warning lights.

Questions to ask the seller before buying a 2000 Audi A3 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 steering rack inner joints? (Flagged at MOT 5.1× as often on the 2000 Audi A3 diesel as on other cars the same age.)
  2. Any recent work on the suspension arm bushes and joints? (Flagged at MOT 3.2× as often on the 2000 Audi A3 diesel as on other cars the same age.)
  3. Any recent work on the brake lights? (Flagged at MOT 2.9× as often on the 2000 Audi A3 diesel as on other cars the same age.)
  4. 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%
202047,132Tyres 28%
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%
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 2000. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score