2021 Vauxhall Vivaro-E 3100 Dynamic — MOT failures & pass rate
Across 610 MOT tests analysed for the 2021 Vauxhall Vivaro-E 3100 Dynamic, the most common recorded failure areas were lighting & signalling, visibility and brakes. Its pass rate of 87.4% was below the average for cars of a similar age (91.2%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 8.2% | 50 |
| 2 | Visibility | 6.9% | 42 |
| 3 | Brakes | 4.3% | 26 |
| 4 | Tyres | 3.9% | 24 |
| 5 | Body, structure & corrosion | 1.5% | 9 |
| 6 | Suspension | 0.5% | 3 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Wipers | 43 |
| 2 | Headlamp aim | 19 |
| 3 | Stop lamp | 18 |
| 4 | Service brake performance | 15 |
| 5 | Brake pads | 11 |
| 6 | Brake discs | 9 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Brakes | 15.3% | 93 |
| 2 | Tyres | 14.3% | 87 |
| 3 | Other defects | 4.3% | 26 |
| 4 | Visibility | 3.8% | 23 |
| 5 | Lighting & signalling | 2.6% | 16 |
| 6 | Body, structure & corrosion | 1.1% | 7 |
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 | 395 | 10.6% |
| 30-60k | 194 | 15.5% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2024 | 294 | 12.6% |
| 2025 | 305 | 12.8% |
What to check before buying a 2021 Vivaro-E 3100 Dynamic
Before buying a 2021 Vauxhall Vivaro-E 3100 Dynamic, focus on the areas it most often fails on. Lighting & signalling accounted for 8.2% of tests for this year.
- Lighting & signalling (8.2% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Visibility (6.9% 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 (4.3% 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 Vauxhall Vivaro-E 3100 Dynamics pass their MOT?
87.4% of the 610 2021 Vauxhall Vivaro-E 3100 Dynamic MOT tests in this dataset passed — a 12.6% fail rate.
What is the most common MOT failure on a 2021 Vauxhall Vivaro-E 3100 Dynamic?
Lighting & signalling, recorded in 8.2% of tests, followed by visibility (6.9%).
Does the 2021 Vivaro-E 3100 Dynamic get worse with mileage?
Its MOT fail rate rises from 10.6% in the 0-30k band to 15.5% in the 30-60k band.
Methodology & source. Based on 610 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.