2021 Land Rover Discovery Rdyn S+ Mhev A — MOT failures & pass rate
Across 873 MOT tests analysed for the 2021 Land Rover Discovery Rdyn S+ Mhev A, the most common recorded failure areas were tyres, visibility and brakes. Its pass rate of 88.7% was below the average for cars of a similar age (91.2%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 6.4% | 56 |
| 2 | Visibility | 5.1% | 45 |
| 3 | Brakes | 1.7% | 15 |
| 4 | Lighting & signalling | 1.6% | 14 |
| 5 | Suspension | 0.6% | 5 |
| 6 | Emissions & environmental | 0.3% | 3 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Wipers | 44 |
| 2 | Brake pads | 10 |
| 3 | Washers | 9 |
| 4 | Brake discs | 9 |
| 5 | Headlamp aim | 8 |
| 6 | Rear fog lamp | 7 |
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 | 17.0% | 148 |
| 2 | Brakes | 15.1% | 132 |
| 3 | Other defects | 7.0% | 61 |
| 4 | Visibility | 4.2% | 37 |
| 5 | Suspension | 3.9% | 34 |
| 6 | Lighting & signalling | 0.6% | 5 |
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 | 490 | 8.6% |
| 30-60k | 371 | 15.4% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2024 | 420 | 10.7% |
| 2025 | 435 | 12.4% |
What to check before buying a 2021 Discovery Rdyn S+ Mhev A
Before buying a 2021 Land Rover Discovery Rdyn S+ Mhev A, focus on the areas it most often fails on. Tyres accounted for 6.4% of tests for this year.
- Tyres (6.4% 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.
- Visibility (5.1% 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.
- Brakes (1.7% 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 Land Rover Discovery Rdyn S+ Mhev As pass their MOT?
88.7% of the 873 2021 Land Rover Discovery Rdyn S+ Mhev A MOT tests in this dataset passed — a 11.3% fail rate.
What is the most common MOT failure on a 2021 Land Rover Discovery Rdyn S+ Mhev A?
Tyres, recorded in 6.4% of tests, followed by visibility (5.1%).
Does the 2021 Discovery Rdyn S+ Mhev A get worse with mileage?
Its MOT fail rate rises from 8.6% in the 0-30k band to 15.4% in the 30-60k band.
Methodology & source. Based on 873 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.