2021 Volkswagen Caddy C20 Commerce Pro S-A — MOT failures & pass rate
Across 899 MOT tests analysed for the 2021 Volkswagen Caddy C20 Commerce Pro S-A, the most common recorded failure areas were tyres, lighting & signalling and brakes. Its pass rate of 89.8% was below the average for cars of a similar age (91.2%). Higher-mileage examples failed more often — 19.6% in the 90-120k group versus 7.8% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 5.8% | 52 |
| 2 | Lighting & signalling | 2.9% | 26 |
| 3 | Brakes | 2.6% | 23 |
| 4 | Visibility | 2.2% | 20 |
| 5 | Emissions & environmental | 1.8% | 16 |
| 6 | Suspension | 0.7% | 6 |
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 | 38 |
| 2 | Tread depth | 26 |
| 3 | Brake pads | 22 |
| 4 | Wipers | 17 |
| 5 | Malfunction indicator lamp | 15 |
| 6 | Shock absorbers | 5 |
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 | 21.3% | 191 |
| 2 | Brakes | 16.9% | 152 |
| 3 | Visibility | 7.6% | 68 |
| 4 | Suspension | 5.5% | 49 |
| 5 | Other defects | 5.1% | 46 |
| 6 | Road wheels | 0.7% | 6 |
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 | 218 | 7.8% |
| 30-60k | 420 | 8.8% |
| 60-90k | 176 | 13.6% |
| 90-120k | 51 | 19.6% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| Diesel | 811 | 10.1% |
| Petrol | 88 | 11.4% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2024 | 444 | 9.7% |
| 2025 | 452 | 10.8% |
What to check before buying a 2021 Caddy C20 Commerce Pro S-A
Before buying a 2021 Volkswagen Caddy C20 Commerce Pro S-A, focus on the areas it most often fails on. Tyres accounted for 5.8% of tests for this year.
- Tyres (5.8% 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 (2.9% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Brakes (2.6% 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 2021 Volkswagen Caddy C20 Commerce Pro S-As pass their MOT?
89.8% of the 899 2021 Volkswagen Caddy C20 Commerce Pro S-A MOT tests in this dataset passed — a 10.2% fail rate.
What is the most common MOT failure on a 2021 Volkswagen Caddy C20 Commerce Pro S-A?
Tyres, recorded in 5.8% of tests, followed by lighting & signalling (2.9%).
Does the 2021 Caddy C20 Commerce Pro S-A get worse with mileage?
Its MOT fail rate rises from 7.8% in the 0-30k band to 19.6% in the 90-120k band.
Methodology & source. Based on 899 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.