2021 Vauxhall Grandland X Turbo — MOT failures & pass rate
Across 7,776 MOT tests analysed for the 2021 Vauxhall Grandland X Turbo, the most common recorded failure areas were tyres, lighting & signalling and brakes. Its pass rate of 91.4% was in line with the average for cars of a similar age (91.3%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 4.5% | 349 |
| 2 | Lighting & signalling | 2.2% | 170 |
| 3 | Brakes | 2.1% | 166 |
| 4 | Visibility | 1.6% | 124 |
| 5 | Seat belts & restraints | 0.5% | 43 |
| 6 | Suspension | 0.4% | 34 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Tread depth | 277 |
| 2 | Headlamp aim | 119 |
| 3 | Brake pads | 117 |
| 4 | Washers | 80 |
| 5 | Wipers | 63 |
| 6 | Brake discs | 40 |
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 | 22.3% | 1,732 |
| 2 | Brakes | 14.8% | 1,155 |
| 3 | Other defects | 8.3% | 648 |
| 4 | Visibility | 1.8% | 140 |
| 5 | Emissions & environmental | 1.1% | 86 |
| 6 | Body, structure & corrosion | 1.0% | 80 |
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 | 3,957 | 6.9% |
| 30-60k | 3,522 | 10.3% |
| 60-90k | 281 | 10.7% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2023 | 343 | 8.8% |
| 2024 | 3,917 | 8.5% |
| 2025 | 3,511 | 8.6% |
What to check before buying a 2021 Grandland X Turbo
Before buying a 2021 Vauxhall Grandland X Turbo, focus on the areas it most often fails on. Tyres accounted for 4.5% of tests for this year.
- Tyres (4.5% 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 (2.2% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Brakes (2.1% 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 Grandland X Turbos pass their MOT?
91.4% of the 7,776 2021 Vauxhall Grandland X Turbo MOT tests in this dataset passed — a 8.6% fail rate.
What is the most common MOT failure on a 2021 Vauxhall Grandland X Turbo?
Tyres, recorded in 4.5% of tests, followed by lighting & signalling (2.2%).
Does the 2021 Grandland X Turbo get worse with mileage?
Its MOT fail rate rises from 6.9% in the 0-30k band to 10.7% in the 60-90k band.
Methodology & source. Based on 7,776 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.