2014 Mitsubishi Asx — MOT failures & pass rate
Across 22,821 MOT tests, the 2014 Mitsubishi Asx recorded an 81.7% pass rate. That is effectively the same as small SUVs of a similar age (18.6% fail rate), so the MOT record here is unremarkable in either direction. Failures cluster in brakes, suspension and lighting & signalling.
What the MOT record shows
No single area dominates — brakes (9.1%) and suspension (6.8%) are close, so failures are spread across several systems rather than one weak point.
At component level the recurring items are rigid brake pipes, brake pads and rbt (sp) — rigid brake pipes alone was recorded 977 times.
A 150k+ example is materially riskier than a 0-30k one: 26.7% versus 8.2%.
The petrol cars hold up better: 17.1% fail against 19.1% for diesel, a 2.0-point gap across 22,821 tests.
Brakes is the most common advisory, noted on 31.9% of tests — work that passed today but is likely due soon.
The trend is worsening — 14.3% of tests failed in 2021 against 22.1% in 2025, the usual pattern as a fleet ages.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Brakes | 9.1% | 2,086 |
| 2 | Suspension | 6.8% | 1,554 |
| 3 | Lighting & signalling | 4.2% | 964 |
| 4 | Tyres | 3.5% | 811 |
| 5 | Visibility | 3.3% | 762 |
| 6 | Steering | 2.1% | 488 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Rigid brake pipes | 977 |
| 2 | Brake pads | 864 |
| 3 | Rbt (sp) | 772 |
| 4 | Tread depth | 597 |
| 5 | Wipers | 552 |
| 6 | Ball joint | 537 |
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 | 31.9% | 7,274 |
| 2 | Tyres | 23.4% | 5,345 |
| 3 | Suspension | 17.1% | 3,909 |
| 4 | Other defects | 7.7% | 1,760 |
| 5 | Lighting & signalling | 3.9% | 893 |
| 6 | Steering | 3.6% | 818 |
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 | 717 | 8.2% |
| 30-60k | 6,717 | 12.9% |
| 60-90k | 9,176 | 19.1% |
| 90-120k | 4,625 | 23.5% |
| 120-150k | 1,270 | 26.5% |
| 150k+ | 315 | 26.7% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| Diesel | 14,588 | 19.1% |
| Petrol | 8,233 | 17.1% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 4,510 | 14.3% |
| 2022 | 4,563 | 16.8% |
| 2023 | 4,561 | 17.8% |
| 2024 | 4,588 | 20.6% |
| 2025 | 4,599 | 22.1% |
What to check before buying a 2014 Asx
The failure pattern for this year is specific enough to inspect against: brakes accounted for 9.1% of tests. Start there.
- Brakes (9.1% 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.
- Suspension (6.8% 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.
- Lighting & signalling (4.2% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
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 2014 Mitsubishi Asxs pass their MOT?
81.7% of the 22,821 2014 Mitsubishi Asx MOT tests in this dataset passed — a 18.4% fail rate.
What is the most common MOT failure on a 2014 Mitsubishi Asx?
Brakes, recorded in 9.1% of tests, followed by suspension (6.8%).
Does the 2014 Asx get worse with mileage?
Its MOT fail rate rises from 8.2% in the 0-30k band to 26.7% in the 150k+ band.
Methodology & source. Based on 22,821 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.