2021 Land Rover Discovery D Mhev Auto — MOT failures & pass rate
Across 1,175 MOT tests analysed for the 2021 Land Rover Discovery D Mhev Auto, the most common recorded failure areas were tyres, visibility and lighting & signalling. Its pass rate of 91.1% was in line with the average for cars of a similar age (91.2%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 5.1% | 60 |
| 2 | Visibility | 2.9% | 34 |
| 3 | Lighting & signalling | 1.6% | 19 |
| 4 | Brakes | 1.4% | 16 |
| 5 | Emissions & environmental | 0.7% | 8 |
| 6 | Body, structure & corrosion | 0.5% | 6 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Wipers | 35 |
| 2 | Brake pads | 20 |
| 3 | Headlamp aim | 20 |
| 4 | Tread depth | 11 |
| 5 | Registration plates | 7 |
| 6 | Malfunction indicator lamp | 6 |
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 | 14.6% | 172 |
| 2 | Tyres | 14.1% | 166 |
| 3 | Visibility | 5.6% | 66 |
| 4 | Other defects | 3.8% | 45 |
| 5 | Suspension | 1.6% | 19 |
| 6 | Seat belts & restraints | 0.3% | 4 |
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 | 325 | 6.5% |
| 30-60k | 609 | 9.5% |
| 60-90k | 192 | 11.5% |
| 90-120k | 40 | 7.5% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2024 | 583 | 9.6% |
| 2025 | 565 | 8.5% |
What to check before buying a 2021 Discovery D Mhev Auto
Before buying a 2021 Land Rover Discovery D 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.
- Visibility (2.9% 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.
- Lighting & signalling (1.6% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£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 Land Rover Discovery D Mhev Autos pass their MOT?
91.1% of the 1,175 2021 Land Rover Discovery D Mhev Auto MOT tests in this dataset passed — a 8.9% fail rate.
What is the most common MOT failure on a 2021 Land Rover Discovery D Mhev Auto?
Tyres, recorded in 5.1% of tests, followed by visibility (2.9%).
Does the 2021 Discovery D Mhev Auto get worse with mileage?
Its MOT fail rate rises from 6.5% in the 0-30k band to 7.5% in the 90-120k band.
Methodology & source. Based on 1,175 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.