2017 Mitsubishi Asx MOT pass rate: 85.7% (11,789 tests)
Is the 2017 Asx getting worse?
Pass rate of 2017-registered cars across recent test years:
| Test year | Pass rate | |
|---|---|---|
| 2023 | 88.9% +3.1 vs same-age |
|
| 2024 | 85.7% +1.8 vs same-age |
|
| 2025 | 82.3% -0.0 vs same-age |
The raw rate normally falls as cars age. The “vs same-age” figure compares this cohort with all UK cars registered in the same year, so normal ageing is not mistaken for a bad model year.
What fails on a 2017 Asx
| # | System | Defects recorded | Share |
|---|---|---|---|
| 1 | Brakes | 1,533 | 44.8% |
| 2 | Tyres | 694 | 20.3% |
| 3 | Suspension | 345 | 10.1% |
| 4 | Lamps, reflectors and electrical equipment | 270 | 7.9% |
| 5 | Visibility | 249 | 7.3% |
| 6 | Steering | 137 | 4.0% |
All Asx years compared
| Registration year | Tests | Pass rate | Vs same-age | Median mileage |
|---|---|---|---|---|
| 2010 | 4,738 | 67.2% | -0.1 pts | 112,501 |
| 2011 | 6,203 | 70.7% | +1.6 pts | 105,110 |
| 2012 | 6,240 | 73.5% | +2.3 pts | 95,450 |
| 2013 | 7,194 | 73.3% | -0.0 pts | 85,248 |
| 2014 | 11,031 | 75.2% | -0.6 pts | 78,452 |
| 2015 | 13,418 | 80.4% | +1.7 pts | 69,236 |
| 2016 | 9,432 | 83.6% | +2.2 pts | 59,914 |
| 2017 (this page) | 11,789 | 85.7% | +1.6 pts | 50,842 |
| 2018 | 6,490 | 89.7% | +3.4 pts | 41,644 |
| 2019 | 3,401 | 91.4% | +3.0 pts | 32,560 |
Weighing up which year to buy? See the full ranking: Mitsubishi Asx years to avoid.
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FAQs
Is a 2017 Mitsubishi Asx reliable?
2017-registered examples passed 85.7% of their MOT tests (11,789 tests, 2023–2025), +1.6 points versus all UK cars registered in the same year. At roughly 9 years old with a median 50,842 miles, condition now varies car by car — always check the individual MOT history.
What mileage is too high for a 2017 Asx?
The median tested example shows 50,842 miles. Anything far beyond that isn't automatically bad — a motorway-mile car with consistent service records often beats a low-mileage school-run car — but price accordingly and scrutinise the mileage trail for gaps or drops.
Source: DVSA Anonymised MOT tests and results, 2023–2025 extracts (96 million Class 4 initial tests; retests excluded). Only vehicles old enough for a routine first MOT are included. Age-adjusted figures compare the model-year cohort with all vehicles of the same registration year tested in the same calendar year. Contains public sector information licensed under OGL v3.0.