MOT fail rates
Vauxhall Viva MOT fail rate by age
How often the Vauxhall Viva fails its MOT at each age, compared with all cars of the same age, and what it fails on. From 154,054 DVSA MOT tests taken 2022 to 2025.
MOT data updated
At 7 years, the most tested age
99 of 330 model groups with enough tests fail less often at 7 years.
What stands out
- At 3 years the Vauxhall Viva fails 8.5% of MOTs (4,245 tests), 3.5 points below the 12.1% for all cars that age. At 10 years it fails 27.6% (5,126 tests), 2.7 points below the 30.3% average.
- The gap is widest at 7 years: 4.7 points below all cars.
- Its most common structural or mechanical fail item at 7 years: Tyre pressure monitoring system: malfunctioning or obviously inoperative, at 1.7 per 100 MOTs.
MOT fail rate by age
Solid line: this model. Dashed line: all cars at the same age.
| Age | MOT fail rate | Tests (n) | All cars | Difference | Median mileage |
|---|---|---|---|---|---|
| 3 years | 8.5% | 4,245 | 12.1% | −3.5 pts | 12,415 miles |
| 4 years | 12.7% | 9,730 | 13.4% | −0.6 pts | 17,370 miles |
| 5 years | 13.3% | 19,411 | 15.3% | −2.0 pts | 22,834 miles |
| 6 years | 14.2% | 33,395 | 17.8% | −3.6 pts | 28,224 miles |
| 7 years | 15.9% | 34,349 | 20.6% | −4.7 pts | 33,005 miles |
| 8 years | 19.3% | 28,827 | 23.8% | −4.5 pts | 37,997 miles |
| 9 years | 24.1% | 18,971 | 27.1% | −3.1 pts | 42,713 miles |
| 10 years | 27.6% | 5,126 | 30.3% | −2.7 pts | 45,624 miles |
Most common fail items at 7 years
Split into structural or mechanical items and wear items. Wear items (tyres, brake pads, wipers, bulbs) say more about upkeep than about the design.
Structural and mechanical
| Fail item | Per 100 MOTs |
|---|---|
| Tyre pressure monitoring system: malfunctioning or obviously inoperative Major | 1.7 |
| Exhaust system: system insecure Major | 0.8 |
Out of 34,349 MOTs. A test with two faults counts twice.
Wear and upkeep
| Fail item | Per 100 MOTs |
|---|---|
| Wipers not clearing screen Major | 3.7 |
| Tyre tread below 1.6 mm Dangerous | 1.8 |
| Tyre condition: has a cut in excess of the requirements deep enough to reach the ply or cords Major | 1.5 |
| Tyre condition: has a tear, caused by separation or partial failure of its structure Dangerous | 1.2 |
| Brake pads under 1.5 mm Dangerous | 1.2 |
| Tyre with cords exposed Dangerous | 1.1 |
| Washers: provides insufficient washer liquid Major | 1.1 |
| Headlamp aim: too low Major | 0.9 |
Out of 34,349 MOTs. A test with two faults counts twice.
Other models at 7 years
| Model | MOT fail rate | Tests (n) | All cars |
|---|---|---|---|
| Vauxhall Corsa | 26.1% | 272,589 | 20.6% |
| Vauxhall Astra | 21.9% | 182,741 | 20.6% |
| Vauxhall Mokka | 27.2% | 152,978 | 20.6% |
MOT fail rate by first-use year
Each year has its own page: the fail rate for cars first used that year at each MOT from 2022 to 2025 with at least 1,000 tests, the most common faults at that age, and the car tax and ULEZ rules for that year.
First-use year data updated .
More on the Vauxhall Viva
Looking at one Vauxhall Viva?
These are figures for the model, not for one car. The VetTheCar Buying Report looks at a single car: its MOT tests, defects, advisories and mileage readings.
Source
Contains public sector information licensed under the Open Government Licence v3.0. Source: DVSA anonymised MOT test data, class 4 normal MOT tests, 2022 to 2025. MOT data updated 22 September 2026.
Not affiliated with or endorsed by DVSA. How we calculate these figures · Data sources