2020 Land Rover Discovery R-Dyn S D A — MOT failures & pass rate
Across 5,082 MOT tests analysed for the 2020 Land Rover Discovery R-Dyn S D A, the most common recorded failure areas were tyres, visibility and lighting & signalling. Its pass rate of 85.9% was below the average for cars of a similar age (90.6%). Higher-mileage examples failed more often — 24.2% in the 90-120k group versus 12.1% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 7.3% | 372 |
| 2 | Visibility | 4.3% | 219 |
| 3 | Lighting & signalling | 2.7% | 135 |
| 4 | Emissions & environmental | 2.6% | 132 |
| 5 | Brakes | 2.2% | 112 |
| 6 | Suspension | 1.1% | 58 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Wipers | 234 |
| 2 | Malfunction indicator lamp | 111 |
| 3 | Brake pads | 83 |
| 4 | Headlamp aim | 70 |
| 5 | Rear fog lamp | 50 |
| 6 | Tread depth | 36 |
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 | 21.1% | 1,072 |
| 2 | Brakes | 16.6% | 841 |
| 3 | Suspension | 8.1% | 409 |
| 4 | Other defects | 6.4% | 323 |
| 5 | Visibility | 4.7% | 239 |
| 6 | Body, structure & corrosion | 1.8% | 90 |
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 | 1,873 | 12.1% |
| 30-60k | 2,802 | 14.6% |
| 60-90k | 371 | 19.4% |
| 90-120k | 33 | 24.2% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2022 | 35 | 5.7% |
| 2023 | 1,711 | 13.7% |
| 2024 | 1,677 | 14.8% |
| 2025 | 1,659 | 13.9% |
What to check before buying a 2020 Discovery R-Dyn S D A
Before buying a 2020 Land Rover Discovery R-Dyn S D A, focus on the areas it most often fails on. Tyres accounted for 7.3% of tests for this year.
- Tyres (7.3% 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 (4.3% 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 (2.7% 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 2020 Land Rover Discovery R-Dyn S D As pass their MOT?
85.9% of the 5,082 2020 Land Rover Discovery R-Dyn S D A MOT tests in this dataset passed — a 14.1% fail rate.
What is the most common MOT failure on a 2020 Land Rover Discovery R-Dyn S D A?
Tyres, recorded in 7.3% of tests, followed by visibility (4.3%).
Does the 2020 Discovery R-Dyn S D A get worse with mileage?
Its MOT fail rate rises from 12.1% in the 0-30k band to 24.2% in the 90-120k band.
Methodology & source. Based on 5,082 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.