2007 Vauxhall Monaro — MOT failures & pass rate
288 MOT tests on the 2007 Vauxhall Monaro are in this dataset, and 85.1% of them passed. All cars of a similar age fail 26.9% of the time, so this is 12.0pp better than the group it competes with. Failures cluster in emissions & environmental, lighting & signalling and brakes.
What the MOT record shows
No single area dominates — emissions & environmental (5.2%) and lighting & signalling (4.5%) are close, so failures are spread across several systems rather than one weak point.
At component level the recurring items are catalyst emissions, track rod end and flexible brake hoses — catalyst emissions alone was recorded 14 times.
A 90-120k example is materially riskier than a 0-30k one: 16.2% versus 4.4%.
Brakes is the most common advisory, noted on 27.8% of tests — work that passed today but is likely due soon.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Emissions & environmental | 5.2% | 15 |
| 2 | Lighting & signalling | 4.5% | 13 |
| 3 | Brakes | 4.5% | 13 |
| 4 | Suspension | 4.2% | 12 |
| 5 | Steering | 3.8% | 11 |
| 6 | Tyres | 3.1% | 9 |
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 | 14 |
| 2 | Track rod end | 12 |
| 3 | Flexible brake hoses | 9 |
| 4 | Rigid brake pipes | 8 |
| 5 | Wipers | 7 |
| 6 | Headlamp aim | 7 |
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 | 27.8% | 80 |
| 2 | Suspension | 17.7% | 51 |
| 3 | Tyres | 13.2% | 38 |
| 4 | Other defects | 5.6% | 16 |
| 5 | Body, structure & corrosion | 4.9% | 14 |
| 6 | Lighting & signalling | 4.5% | 13 |
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 | 45 | 4.4% |
| 30-60k | 78 | 10.3% |
| 60-90k | 114 | 20.2% |
| 90-120k | 37 | 16.2% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 62 | 12.9% |
| 2022 | 60 | 20.0% |
| 2023 | 53 | 9.4% |
| 2024 | 57 | 17.5% |
| 2025 | 56 | 14.3% |
What to check before buying a 2007 Monaro
The failure pattern for this year is specific enough to inspect against: emissions & environmental accounted for 5.2% of tests. Start there.
- Emissions & environmental (5.2% of tests): More common on older diesels (DPF/EGR) — can be expensive; check for warning lights and smoke. Typical repair: £100–£600.
- Lighting & signalling (4.5% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Brakes (4.5% 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 2007 Vauxhall Monaros pass their MOT?
85.1% of the 288 2007 Vauxhall Monaro MOT tests in this dataset passed — a 14.9% fail rate.
What is the most common MOT failure on a 2007 Vauxhall Monaro?
Emissions & environmental, recorded in 5.2% of tests, followed by lighting & signalling (4.5%).
Does the 2007 Monaro get worse with mileage?
Its MOT fail rate rises from 4.4% in the 0-30k band to 16.2% in the 90-120k band.
Methodology & source. Based on 288 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.