2021 Volvo Xc40 R- Pro B4 Mhev Auto — MOT failures & pass rate
Across 1,930 MOT tests analysed for the 2021 Volvo Xc40 R- Pro B4 Mhev Auto, the most common recorded failure areas were tyres, lighting & signalling and visibility. Its pass rate of 93.9% was above the average for cars of a similar age (91.3%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 5.1% | 98 |
| 2 | Lighting & signalling | 1.4% | 27 |
| 3 | Visibility | 0.5% | 9 |
| 4 | Seat belts & restraints | 0.4% | 8 |
| 5 | Brakes | 0.4% | 7 |
| 6 | Other defects | 0.2% | 4 |
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 | 26 |
| 2 | Tread depth | 19 |
| 3 | Wipers | 8 |
| 4 | Brake pads | 6 |
| 5 | Registration plates | 6 |
| 6 | Headlamp cleaning device | 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 | 19.2% | 370 |
| 2 | Brakes | 6.5% | 126 |
| 3 | Other defects | 6.3% | 122 |
| 4 | Visibility | 2.0% | 38 |
| 5 | Lighting & signalling | 0.5% | 10 |
| 6 | Body, structure & corrosion | 0.3% | 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 | 1,138 | 5.4% |
| 30-60k | 734 | 7.1% |
| 60-90k | 56 | 8.9% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2023 | 64 | 7.8% |
| 2024 | 929 | 6.2% |
| 2025 | 935 | 5.9% |
What to check before buying a 2021 Xc40 R- Pro B4 Mhev Auto
Before buying a 2021 Volvo Xc40 R- Pro B4 Mhev Auto, focus on the areas it most often fails on. Tyres accounted for 5.1% of tests for this year.
- Tyres (5.1% 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 (1.4% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Visibility (0.5% 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.
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 Volvo Xc40 R- Pro B4 Mhev Autos pass their MOT?
93.9% of the 1,930 2021 Volvo Xc40 R- Pro B4 Mhev Auto MOT tests in this dataset passed — a 6.1% fail rate.
What is the most common MOT failure on a 2021 Volvo Xc40 R- Pro B4 Mhev Auto?
Tyres, recorded in 5.1% of tests, followed by lighting & signalling (1.4%).
Does the 2021 Xc40 R- Pro B4 Mhev Auto get worse with mileage?
Its MOT fail rate rises from 5.4% in the 0-30k band to 8.9% in the 60-90k band.
Methodology & source. Based on 1,930 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.