2004 Audi A2 diesel: common problems and MOT failures
What MOT testers find on the diesel Audi A2 first registered in 2004 (diesel cars only): we looked at the 2,853 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
What goes wrong more than usual on a 2004 Audi A2 diesel?
Parts flagged at MOT more often on the 2004 Audi A2 diesel than on all cars registered in 2004.
- Braking performance1.7× usualAudi A212.4% All 2004 cars7.3%
Failed outright at MOT: 4.9%, against 3% of all 2004 cars. The rest were advisories or minor defects.
Rough price £100–£350 our estimateAt the viewing: On a quiet road, brake firmly from about 30mph. The car should stop straight without pulling.
- Shock absorbers1.7× usualAudi A211.3% All 2004 cars6.7%
Failed outright at MOT: 2.7%, against 1.7% of all 2004 cars. The rest were advisories or minor defects.
Rough price £200–£300 (pair, average rear to front) ClickMechanicAt the viewing: Push down hard on each corner. It should bounce once and settle. Look for oil on the shock absorber body.
- Track rod ends1.7× usualAudi A210.9% All 2004 cars6.5%
Failed outright at MOT: 5.5%, against 3% of all 2004 cars. The rest were advisories or minor defects.
Rough price £50–£150 (one end, plus about £30–£50 if it needs a wheel alignment) ClickMechanicAt the viewing: On a straight road the steering wheel should sit straight. Listen for knocks when turning, and check the steering feels even.
- Suspension arm2× usualAudi A27% All 2004 cars3.5%
Failed outright at MOT: 3%, against 0.4% of all 2004 cars. The rest were advisories or minor defects.
Rough price £120–£180 (one arm) ClickMechanicAt the viewing: Listen for clunks over bumps and feel for the steering wandering. Worn arm bushes show as cracked rubber near the wheels.
- Brakes pulling to one side2.1× usualAudi A23.8% All 2004 cars1.8%
Failed outright at MOT: 2.6%, against 1.3% of all 2004 cars. The rest were advisories or minor defects.
Rough price £100–£350 our estimateAt the viewing: On a quiet road, brake firmly from about 30mph. The car should stop straight without pulling.
Suspension arm bushes and joints: 1.8% here, against 9.4% of all 2004 cars. Exhaust system: 3.3% here, against 9.7% of all 2004 cars.
Common 2004 Audi A2 diesel MOT failures and advisories
The share of 2004 Audi A2 diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Suspension43% 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.
- Brakes40% 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 electrics34% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Tyres31% 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.
- Oil and fluid leaks15% of testsRough price £80–£600
At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.
- Wipers, windscreen and mirrors10% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
Questions to ask the seller before buying a 2004 Audi A2 diesel
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Any recent work on the braking performance? (Flagged at MOT 1.7× as often on the 2004 Audi A2 diesel as on other cars the same age.)
- Any recent work on the shock absorbers? (Flagged at MOT 1.7× as often on the 2004 Audi A2 diesel as on other cars the same age.)
- Any recent work on the track rod ends? (Flagged at MOT 1.7× as often on the 2004 Audi A2 diesel as on other cars the same age.)
- Can I see the service history and receipts for any big jobs?
Looking at an Audi A2?
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 A2 compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2005 | 2,827 | Suspension 43% |
| 2003 | 3,727 | Suspension 45% |
| 2002 | 4,534 | Suspension 48% |
| 2001 | 3,502 | Suspension 49% |
| 2000 | 243 | Suspension 39% |
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 A2 cars first registered in 2004. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score