2020 Land Rover Discovery Sd6 Auto — MOT failures & pass rate
Across 759 MOT tests analysed for the 2020 Land Rover Discovery Sd6 Auto, the most common recorded failure areas were tyres, brakes and visibility. Its pass rate of 92.5% was above the average for cars of a similar age (90.6%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 4.2% | 32 |
| 2 | Brakes | 2.1% | 16 |
| 3 | Visibility | 1.7% | 13 |
| 4 | Lighting & signalling | 0.9% | 7 |
| 5 | Emissions & environmental | 0.5% | 4 |
| 6 | Seat belts & restraints | 0.4% | 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 | 13 |
| 2 | Tread depth | 12 |
| 3 | Brake pads | 11 |
| 4 | Headlamp aim | 5 |
| 5 | Registration plates | 4 |
| 6 | Tyre pressure monitoring system | 3 |
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 | 14.5% | 110 |
| 2 | Brakes | 14.4% | 109 |
| 3 | Other defects | 4.1% | 31 |
| 4 | Visibility | 3.8% | 29 |
| 5 | Emissions & environmental | 0.8% | 6 |
| 6 | Road wheels | 0.5% | 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 | 137 | 5.8% |
| 30-60k | 320 | 7.5% |
| 60-90k | 208 | 8.6% |
| 90-120k | 71 | 8.5% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2023 | 255 | 7.1% |
| 2024 | 245 | 9.4% |
| 2025 | 246 | 6.5% |
What to check before buying a 2020 Discovery Sd6 Auto
Before buying a 2020 Land Rover Discovery Sd6 Auto, focus on the areas it most often fails on. Tyres accounted for 4.2% of tests for this year.
- Tyres (4.2% 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.
- Brakes (2.1% 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.
- Visibility (1.7% 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.
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 Sd6 Autos pass their MOT?
92.5% of the 759 2020 Land Rover Discovery Sd6 Auto MOT tests in this dataset passed — a 7.5% fail rate.
What is the most common MOT failure on a 2020 Land Rover Discovery Sd6 Auto?
Tyres, recorded in 4.2% of tests, followed by brakes (2.1%).
Does the 2020 Discovery Sd6 Auto get worse with mileage?
Its MOT fail rate rises from 5.8% in the 0-30k band to 8.5% in the 90-120k band.
Methodology & source. Based on 759 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.