2020 Renault Koleos Gt Line Blue 4X4Cvt — MOT failures & pass rate
Across 615 MOT tests analysed for the 2020 Renault Koleos Gt Line Blue 4X4Cvt, the most common recorded failure areas were brakes, lighting & signalling and tyres. Its pass rate of 91.7% was above the average for cars of a similar age (90.6%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Brakes | 3.7% | 23 |
| 2 | Lighting & signalling | 3.7% | 23 |
| 3 | Tyres | 2.9% | 18 |
| 4 | Visibility | 2.4% | 15 |
| 5 | Suspension | 0.7% | 4 |
| 6 | Body, structure & corrosion | 0.3% | 2 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Brake pads | 24 |
| 2 | Headlamp aim | 20 |
| 3 | Wipers | 15 |
| 4 | Tread depth | 4 |
| 5 | Front fog lamps | 3 |
| 6 | Brake discs | 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 | Brakes | 22.1% | 136 |
| 2 | Tyres | 20.5% | 126 |
| 3 | Suspension | 4.7% | 29 |
| 4 | Visibility | 4.5% | 28 |
| 5 | Other defects | 4.4% | 27 |
| 6 | Emissions & environmental | 0.8% | 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 | 307 | 7.8% |
| 30-60k | 258 | 8.9% |
| 60-90k | 45 | 6.7% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2023 | 198 | 7.1% |
| 2024 | 200 | 7.5% |
| 2025 | 204 | 10.8% |
What to check before buying a 2020 Koleos Gt Line Blue 4X4Cvt
Before buying a 2020 Renault Koleos Gt Line Blue 4X4Cvt, focus on the areas it most often fails on. Brakes accounted for 3.7% of tests for this year.
- Brakes (3.7% 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.
- Lighting & signalling (3.7% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Tyres (2.9% 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.
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 Renault Koleos Gt Line Blue 4X4Cvts pass their MOT?
91.7% of the 615 2020 Renault Koleos Gt Line Blue 4X4Cvt MOT tests in this dataset passed — a 8.3% fail rate.
What is the most common MOT failure on a 2020 Renault Koleos Gt Line Blue 4X4Cvt?
Brakes, recorded in 3.7% of tests, followed by lighting & signalling (3.7%).
Does the 2020 Koleos Gt Line Blue 4X4Cvt get worse with mileage?
Its MOT fail rate rises from 7.8% in the 0-30k band to 6.7% in the 60-90k band.
Methodology & source. Based on 615 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.