2006 Audi A3 — MOT failures & pass rate
Across 94,332 MOT tests, the 2006 Audi A3 recorded a 72.4% pass rate. Small family cars of a similar age fail at 27.4%, so the 2006 A3 sits squarely on the average. Failures cluster in suspension, lighting & signalling and brakes.
What the MOT record shows
No single area dominates — suspension (15.2%) and lighting & signalling (13.9%) are close, so failures are spread across several systems rather than one weak point.
At component level the recurring items are headlamp aim, joints and coil spring — headlamp aim alone was recorded 7,524 times.
Mileage is the strongest signal on the record: 18.7% of 0-30k cars fail, rising to 28.9% once past 150k.
Fuel type barely separates them — petrol fails 26.9% of the time against 28.1% for diesel.
Advisories point at the next bill rather than this one: suspension was flagged on 38.9% of tests without failing them.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Suspension | 15.2% | 14,298 |
| 2 | Lighting & signalling | 13.9% | 13,115 |
| 3 | Brakes | 9.6% | 9,009 |
| 4 | Body, structure & corrosion | 8.8% | 8,316 |
| 5 | Tyres | 7.0% | 6,564 |
| 6 | Emissions & environmental | 6.6% | 6,228 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Headlamp aim | 7,524 |
| 2 | Joints | 7,133 |
| 3 | Coil spring | 5,184 |
| 4 | Linkage ball joint dust cover | 4,952 |
| 5 | Pins and bushes | 4,168 |
| 6 | Tread depth | 4,059 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Suspension | 38.9% | 36,735 |
| 2 | Tyres | 30.8% | 29,015 |
| 3 | Brakes | 28.0% | 26,410 |
| 4 | Body, structure & corrosion | 16.5% | 15,524 |
| 5 | Lighting & signalling | 15.6% | 14,708 |
| 6 | Emissions & environmental | 12.3% | 11,592 |
Failure rate by mileage
Higher-mileage cars tend to fail more — often the most useful guide to real condition.
| Mileage band | Tests | Fail rate |
|---|---|---|
| 0-30k | 406 | 18.7% |
| 30-60k | 2,774 | 19.8% |
| 60-90k | 9,958 | 24.4% |
| 90-120k | 22,234 | 27.4% |
| 120-150k | 26,903 | 28.3% |
| 150k+ | 31,986 | 28.9% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| Diesel | 55,730 | 28.1% |
| Petrol | 38,602 | 26.9% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 25,159 | 27.8% |
| 2022 | 22,164 | 27.5% |
| 2023 | 18,930 | 27.3% |
| 2024 | 15,476 | 27.7% |
| 2025 | 12,603 | 27.8% |
What to check before buying a 2006 A3
On a 2006 A3, suspension is what the MOT record says goes wrong most — it appeared in 15.2% of tests. Check these areas before you commit.
- Suspension (15.2% of tests): Worn drop links, bushes, springs or shocks — listen for knocks over bumps and check for uneven tyre wear. Typical repair: £150–£450 per corner.
- Lighting & signalling (13.9% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Brakes (9.6% of tests): Pads/discs are routine wear; binding, imbalance or corroded pipes are more serious — test for pulling under braking. Typical repair: £100–£350 per axle.
Repair costs are rough UK ballpark ranges to set expectations, not quotes — actual prices vary widely by car, parts and garage.
Frequently asked questions
How many 2006 Audi A3s pass their MOT?
72.4% of the 94,332 2006 Audi A3 MOT tests in this dataset passed — a 27.6% fail rate.
What is the most common MOT failure on a 2006 Audi A3?
Suspension, recorded in 15.2% of tests, followed by lighting & signalling (13.9%).
Does the 2006 A3 get worse with mileage?
Its MOT fail rate rises from 18.7% in the 0-30k band to 28.9% in the 150k+ band.
Methodology & source. Based on 94,332 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-27. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.