2015 Infiniti Qx70 — MOT failures & pass rate
The 2015 Infiniti Qx70 passed 90.2% of its 591 recorded MOT tests. All cars of a similar age fail 16.5% of the time, so this is 6.7pp better than the group it competes with. Failures cluster in lighting & signalling, tyres and emissions & environmental.
What the MOT record shows
No single area dominates — lighting & signalling (3.9%) and tyres (3.5%) are close, so failures are spread across several systems rather than one weak point.
At component level the recurring items are position lamp, malfunction indicator lamp and tread depth — position lamp alone was recorded 15 times.
Mileage matters less than usual here: the 2015 Qx70 fails 6.7% of the time in the 30-60k band and 9.5% at 90-120k, a spread of only 2.8 points.
Tyres is the most common advisory, noted on 18.8% of tests — work that passed today but is likely due soon.
The trend is worsening — 5.5% of tests failed in 2021 against 11.9% in 2025, the usual pattern as a fleet ages.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 3.9% | 23 |
| 2 | Tyres | 3.5% | 21 |
| 3 | Emissions & environmental | 2.2% | 13 |
| 4 | Brakes | 1.9% | 11 |
| 5 | Suspension | 1.5% | 9 |
| 6 | Visibility | 1.4% | 8 |
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 | 15 |
| 2 | Malfunction indicator lamp | 12 |
| 3 | Tread depth | 9 |
| 4 | Brake pads | 9 |
| 5 | Tyre pressure monitoring system | 7 |
| 6 | Headlamp aim | 6 |
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 | 18.8% | 111 |
| 2 | Brakes | 12.5% | 74 |
| 3 | Emissions & environmental | 10.2% | 60 |
| 4 | Suspension | 6.9% | 41 |
| 5 | Other defects | 4.4% | 26 |
| 6 | Visibility | 3.2% | 19 |
Failure rate by mileage
Higher-mileage cars tend to fail more — often the most useful guide to real condition.
| Mileage band | Tests | Fail rate |
|---|---|---|
| 30-60k | 224 | 6.7% |
| 60-90k | 225 | 12.4% |
| 90-120k | 95 | 9.5% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 109 | 5.5% |
| 2022 | 128 | 10.9% |
| 2023 | 112 | 6.3% |
| 2024 | 124 | 13.7% |
| 2025 | 118 | 11.9% |
What to check before buying a 2015 Qx70
The failure pattern for this year is specific enough to inspect against: lighting & signalling accounted for 3.9% of tests. Start there.
- Lighting & signalling (3.9% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Tyres (3.5% 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.
- Emissions & environmental (2.2% of tests): More common on older diesels (DPF/EGR) — can be expensive; check for warning lights and smoke. Typical repair: £100–£600.
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 2015 Infiniti Qx70s pass their MOT?
90.2% of the 591 2015 Infiniti Qx70 MOT tests in this dataset passed — a 9.8% fail rate.
What is the most common MOT failure on a 2015 Infiniti Qx70?
Lighting & signalling, recorded in 3.9% of tests, followed by tyres (3.5%).
Does the 2015 Qx70 get worse with mileage?
Its MOT fail rate rises from 6.7% in the 30-60k band to 9.5% in the 90-120k band.
Methodology & source. Based on 591 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.