2021 Land Rover Discovery S D Mhev Auto — MOT failures & pass rate
Across 1,393 MOT tests analysed for the 2021 Land Rover Discovery S D Mhev Auto, the most common recorded failure areas were visibility, tyres and lighting & signalling. Its pass rate of 89.2% was below the average for cars of a similar age (91.3%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Visibility | 5.7% | 79 |
| 2 | Tyres | 5.4% | 75 |
| 3 | Lighting & signalling | 1.7% | 24 |
| 4 | Brakes | 1.7% | 23 |
| 5 | Emissions & environmental | 0.9% | 12 |
| 6 | Suspension | 0.3% | 4 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Wipers | 86 |
| 2 | Brake pads | 20 |
| 3 | Headlamp aim | 14 |
| 4 | Malfunction indicator lamp | 12 |
| 5 | Tread depth | 11 |
| 6 | Washers | 8 |
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 | 17.3% | 241 |
| 2 | Brakes | 13.5% | 188 |
| 3 | Other defects | 5.7% | 79 |
| 4 | Visibility | 4.5% | 62 |
| 5 | Suspension | 3.5% | 48 |
| 6 | Lighting & signalling | 1.1% | 15 |
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 | 541 | 9.1% |
| 30-60k | 761 | 12.0% |
| 60-90k | 81 | 12.3% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2023 | 47 | 2.1% |
| 2024 | 678 | 11.5% |
| 2025 | 660 | 10.9% |
What to check before buying a 2021 Discovery S D Mhev Auto
Before buying a 2021 Land Rover Discovery S D Mhev Auto, focus on the areas it most often fails on. Visibility accounted for 5.7% of tests for this year.
- Visibility (5.7% 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.
- Tyres (5.4% 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 (1.7% 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 S D Mhev Autos pass their MOT?
89.2% of the 1,393 2021 Land Rover Discovery S D Mhev Auto MOT tests in this dataset passed — a 10.8% fail rate.
What is the most common MOT failure on a 2021 Land Rover Discovery S D Mhev Auto?
Visibility, recorded in 5.7% of tests, followed by tyres (5.4%).
Does the 2021 Discovery S D Mhev Auto get worse with mileage?
Its MOT fail rate rises from 9.1% in the 0-30k band to 12.3% in the 60-90k band.
Methodology & source. Based on 1,393 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.