1999 Vauxhall Vectra — MOT failures & pass rate
The 1999 Vauxhall Vectra passed 73.7% of its 2,235 recorded MOT tests. That is 1.4 percentage points better than large family cars of a similar age, which fail at 27.7%. Failures cluster in lighting & signalling, suspension and brakes.
What the MOT record shows
No single area dominates — lighting & signalling (14.3%) and suspension (12.6%) are close, so failures are spread across several systems rather than one weak point.
At component level the recurring items are catalyst emissions, headlamp aim and rigid brake pipes — catalyst emissions alone was recorded 178 times.
A 150k+ example is materially riskier than a 0-30k one: 31.3% versus 25.9%.
Brakes is the most common advisory, noted on 44.3% of tests — work that passed today but is likely due soon.
The trend is improving — the fail rate fell from 28.5% in 2021 to 24.5% in 2025, as the worst-kept examples leave the fleet.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 14.3% | 320 |
| 2 | Suspension | 12.6% | 281 |
| 3 | Brakes | 10.7% | 238 |
| 4 | Emissions & environmental | 7.8% | 174 |
| 5 | Body, structure & corrosion | 7.6% | 171 |
| 6 | Visibility | 5.3% | 118 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Catalyst emissions | 178 |
| 2 | Headlamp aim | 158 |
| 3 | Rigid brake pipes | 143 |
| 4 | Component mounting prescribed areas | 125 |
| 5 | Headlamp | 113 |
| 6 | Coil spring | 79 |
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 | 44.3% | 991 |
| 2 | Suspension | 36.2% | 809 |
| 3 | Tyres | 24.4% | 546 |
| 4 | Emissions & environmental | 21.9% | 490 |
| 5 | Lighting & signalling | 21.0% | 470 |
| 6 | Body, structure & corrosion | 19.0% | 425 |
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 | 58 | 25.9% |
| 30-60k | 256 | 22.3% |
| 60-90k | 423 | 23.2% |
| 90-120k | 653 | 24.7% |
| 120-150k | 482 | 30.5% |
| 150k+ | 288 | 31.3% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| Petrol | 2,130 | 26.4% |
| Diesel | 105 | 24.8% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 692 | 28.5% |
| 2022 | 538 | 25.8% |
| 2023 | 433 | 25.6% |
| 2024 | 323 | 25.1% |
| 2025 | 249 | 24.5% |
What to check before buying a 1999 Vectra
The failure pattern for this year is specific enough to inspect against: lighting & signalling accounted for 14.3% of tests. Start there.
- Lighting & signalling (14.3% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Suspension (12.6% of tests): Worn drop links, bushes, springs or shocks — listen for knocks over bumps and check for uneven tyre wear. Typical repair: £150–£450 per corner.
- Brakes (10.7% 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 1999 Vauxhall Vectras pass their MOT?
73.7% of the 2,235 1999 Vauxhall Vectra MOT tests in this dataset passed — a 26.4% fail rate.
What is the most common MOT failure on a 1999 Vauxhall Vectra?
Lighting & signalling, recorded in 14.3% of tests, followed by suspension (12.6%).
Does the 1999 Vectra get worse with mileage?
Its MOT fail rate rises from 25.9% in the 0-30k band to 31.3% in the 150k+ band.
Methodology & source. Based on 2,235 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-27. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.