2008 Lexus Gs450H — MOT failures & pass rate
Across 1,946 MOT tests analysed for the 2008 Lexus Gs450H, the most common recorded failure areas were lighting & signalling, tyres and brakes. Its pass rate of 84.2% was above the average for cars of a similar age (75.2%). Higher-mileage examples failed more often — 18.7% in the 150k+ group versus 6.4% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 9.2% | 179 |
| 2 | Tyres | 5.1% | 100 |
| 3 | Brakes | 5.0% | 98 |
| 4 | Suspension | 3.8% | 74 |
| 5 | Emissions & environmental | 2.4% | 47 |
| 6 | Visibility | 2.4% | 46 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Position lamp | 78 |
| 2 | Headlamp aim | 73 |
| 3 | Headlamp | 68 |
| 4 | Tread depth | 63 |
| 5 | Shock absorbers | 61 |
| 6 | Malfunction indicator lamp | 43 |
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 | 22.3% | 434 |
| 2 | Brakes | 20.2% | 393 |
| 3 | Suspension | 18.9% | 368 |
| 4 | Body, structure & corrosion | 9.3% | 182 |
| 5 | Other defects | 6.8% | 132 |
| 6 | Visibility | 5.3% | 104 |
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 | 47 | 6.4% |
| 30-60k | 190 | 12.6% |
| 60-90k | 391 | 14.8% |
| 90-120k | 548 | 15.5% |
| 120-150k | 474 | 17.3% |
| 150k+ | 294 | 18.7% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| Hybrid | 976 | 15.3% |
| HYBRID ELECTRIC (CLEAN) | 710 | 16.5% |
| Electric | 88 | 12.5% |
| Petrol | 87 | 17.2% |
| Other | 84 | 19.1% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 426 | 15.3% |
| 2022 | 410 | 16.1% |
| 2023 | 400 | 15.0% |
| 2024 | 385 | 16.1% |
| 2025 | 325 | 16.9% |
What to check before buying a 2008 Gs450H
Before buying a 2008 Lexus Gs450H, focus on the areas it most often fails on. Lighting & signalling accounted for 9.2% of tests for this year.
- Lighting & signalling (9.2% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Tyres (5.1% 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 (5.0% 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 2008 Lexus Gs450Hs pass their MOT?
84.2% of the 1,946 2008 Lexus Gs450H MOT tests in this dataset passed — a 15.8% fail rate.
What is the most common MOT failure on a 2008 Lexus Gs450H?
Lighting & signalling, recorded in 9.2% of tests, followed by tyres (5.1%).
Does the 2008 Gs450H get worse with mileage?
Its MOT fail rate rises from 6.4% in the 0-30k band to 18.7% in the 150k+ band.
Methodology & source. Based on 1,946 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.