2020 Audi Q3 S Line Ed 1 35 Mhev Sa — MOT failures & pass rate
Across 1,592 MOT tests analysed for the 2020 Audi Q3 S Line Ed 1 35 Mhev Sa, the most common recorded failure areas were tyres, visibility and brakes. Its pass rate of 92.8% was above the average for cars of a similar age (90.5%). Higher-mileage examples failed more often — 10.8% in the 60-90k group versus 5.6% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 4.9% | 78 |
| 2 | Visibility | 1.9% | 30 |
| 3 | Brakes | 1.0% | 16 |
| 4 | Lighting & signalling | 0.5% | 8 |
| 5 | Emissions & environmental | 0.2% | 3 |
| 6 | Other defects | 0.1% | 2 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Washers | 27 |
| 2 | Tread depth | 13 |
| 3 | Brake pads | 11 |
| 4 | Wipers | 9 |
| 5 | Headlamp aim | 5 |
| 6 | Brake discs | 4 |
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 | 20.5% | 327 |
| 2 | Brakes | 12.1% | 193 |
| 3 | Other defects | 7.6% | 121 |
| 4 | Suspension | 2.9% | 47 |
| 5 | Visibility | 2.3% | 37 |
| 6 | Lighting & signalling | 0.3% | 4 |
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 | 869 | 5.6% |
| 30-60k | 682 | 8.8% |
| 60-90k | 37 | 10.8% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2023 | 514 | 4.3% |
| 2024 | 534 | 8.8% |
| 2025 | 531 | 8.5% |
What to check before buying a 2020 Q3 S Line Ed 1 35 Mhev Sa
Before buying a 2020 Audi Q3 S Line Ed 1 35 Mhev Sa, focus on the areas it most often fails on. Tyres accounted for 4.9% of tests for this year.
- Tyres (4.9% 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.
- Visibility (1.9% of tests): Wipers, washers, mirrors and screen damage — usually inexpensive, but check for chips in the driver's line of sight. Typical repair: £15–£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 Q3 S Line Ed 1 35 Mhev Sas pass their MOT?
92.8% of the 1,592 2020 Audi Q3 S Line Ed 1 35 Mhev Sa MOT tests in this dataset passed — a 7.2% fail rate.
What is the most common MOT failure on a 2020 Audi Q3 S Line Ed 1 35 Mhev Sa?
Tyres, recorded in 4.9% of tests, followed by visibility (1.9%).
Does the 2020 Q3 S Line Ed 1 35 Mhev Sa get worse with mileage?
Its MOT fail rate rises from 5.6% in the 0-30k band to 10.8% in the 60-90k band.
Methodology & source. Based on 1,592 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.