2020 Audi Q7 S Line 50 Mhev Quat A — MOT failures & pass rate
Across 2,756 MOT tests analysed for the 2020 Audi Q7 S Line 50 Mhev Quat A, the most common recorded failure areas were tyres, lighting & signalling and brakes. Its pass rate of 91.7% was above the average for cars of a similar age (90.6%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 5.7% | 158 |
| 2 | Lighting & signalling | 1.4% | 38 |
| 3 | Brakes | 1.0% | 28 |
| 4 | Emissions & environmental | 0.8% | 21 |
| 5 | Visibility | 0.7% | 18 |
| 6 | Other defects | 0.7% | 18 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Tread depth | 59 |
| 2 | Headlamp aim | 33 |
| 3 | Registration plates | 29 |
| 4 | Brake pads | 21 |
| 5 | Malfunction indicator lamp | 20 |
| 6 | Washers | 10 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Tyres | 19.7% | 544 |
| 2 | Brakes | 13.9% | 382 |
| 3 | Other defects | 11.0% | 303 |
| 4 | Visibility | 4.3% | 119 |
| 5 | Suspension | 2.6% | 71 |
| 6 | Lighting & signalling | 1.0% | 27 |
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 | 870 | 7.4% |
| 30-60k | 1,597 | 8.5% |
| 60-90k | 254 | 10.2% |
| 90-120k | 30 | 10.0% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2022 | 32 | 0.0% |
| 2023 | 973 | 9.2% |
| 2024 | 889 | 7.6% |
| 2025 | 861 | 8.3% |
What to check before buying a 2020 Q7 S Line 50 Mhev Quat A
Before buying a 2020 Audi Q7 S Line 50 Mhev Quat A, focus on the areas it most often fails on. Tyres accounted for 5.7% of tests for this year.
- Tyres (5.7% of tests): Usually a quick, known-cost fix, but check tread, age and uneven wear (which can hint at alignment or suspension issues). Typical repair: £50–£120 per tyre.
- Lighting & signalling (1.4% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Brakes (1.0% 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 2020 Audi Q7 S Line 50 Mhev Quat As pass their MOT?
91.7% of the 2,756 2020 Audi Q7 S Line 50 Mhev Quat A MOT tests in this dataset passed — a 8.3% fail rate.
What is the most common MOT failure on a 2020 Audi Q7 S Line 50 Mhev Quat A?
Tyres, recorded in 5.7% of tests, followed by lighting & signalling (1.4%).
Does the 2020 Q7 S Line 50 Mhev Quat A get worse with mileage?
Its MOT fail rate rises from 7.4% in the 0-30k band to 10.0% in the 90-120k band.
Methodology & source. Based on 2,756 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-01. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.