2021 Volkswagen Passat S-A — MOT failures & pass rate
Across 1,412 MOT tests analysed for the 2021 Volkswagen Passat S-A, the most common recorded failure areas were tyres, brakes and suspension. Its pass rate of 89.8% was below the average for cars of a similar age (91.6%). Higher-mileage examples failed more often — 14.8% in the 90-120k group versus 5.3% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 5.0% | 71 |
| 2 | Brakes | 2.2% | 31 |
| 3 | Suspension | 2.2% | 31 |
| 4 | Lighting & signalling | 2.1% | 29 |
| 5 | Visibility | 1.4% | 20 |
| 6 | Emissions & environmental | 0.7% | 10 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Shock absorbers | 39 |
| 2 | Headlamp aim | 36 |
| 3 | Tread depth | 28 |
| 4 | Brake pads | 20 |
| 5 | Wipers | 16 |
| 6 | Malfunction indicator lamp | 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 | 20.6% | 291 |
| 2 | Brakes | 17.3% | 244 |
| 3 | Other defects | 6.7% | 95 |
| 4 | Suspension | 6.4% | 90 |
| 5 | Visibility | 4.1% | 58 |
| 6 | Emissions & environmental | 0.8% | 11 |
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 | 265 | 5.3% |
| 30-60k | 567 | 9.9% |
| 60-90k | 410 | 12.9% |
| 90-120k | 128 | 14.8% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| Diesel | 1,136 | 9.4% |
| Petrol | 276 | 13.4% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2022 | 78 | 1.3% |
| 2023 | 90 | 6.7% |
| 2024 | 614 | 10.6% |
| 2025 | 602 | 12.0% |
What to check before buying a 2021 Passat S-A
Before buying a 2021 Volkswagen Passat S-A, focus on the areas it most often fails on. Tyres accounted for 5.0% of tests for this year.
- Tyres (5.0% 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.
- Brakes (2.2% 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.
- Suspension (2.2% 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.
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 2021 Volkswagen Passat S-As pass their MOT?
89.8% of the 1,412 2021 Volkswagen Passat S-A MOT tests in this dataset passed — a 10.2% fail rate.
What is the most common MOT failure on a 2021 Volkswagen Passat S-A?
Tyres, recorded in 5.0% of tests, followed by brakes (2.2%).
Does the 2021 Passat S-A get worse with mileage?
Its MOT fail rate rises from 5.3% in the 0-30k band to 14.8% in the 90-120k band.
Methodology & source. Based on 1,412 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.