2015 Mitsubishi ASX: common problems and what to check
What gets flagged at MOT on 2015 Mitsubishi ASXs, from 4,464 tests in 2025, plus known faults and what to look at before you buy one.
What stands out
Parts flagged at MOT more often on 2015 Mitsubishi ASXs than on all cars registered in 2015.
- Rigid brake pipes6.2× usualMitsubishi ASX15.4% All 2015 cars2.5%
Failed outright at MOT: 2.8%, against 0.3% of all 2015 cars. The rest were advisories or minor defects.
Rough price £100–£400 our estimateAt the viewing: Ask to see underneath, or check the MOT advisories: corroded brake or fuel pipes get worse every year and fail the MOT when they do.
- Brake pads1.8× usualMitsubishi ASX18.1% All 2015 cars10.2%
Failed outright at MOT: 3.6%, against 2.2% of all 2015 cars. The rest were advisories or minor defects.
Rough price £75–£175 (one axle) ClickMechanicAt the viewing: Listen for squealing or grinding when braking, and look through the wheel at how much pad is left.
- Track rod ends2.1× usualMitsubishi ASX7.5% All 2015 cars3.6%
Failed outright at MOT: 3.2%, against 1.8% of all 2015 cars. The rest were advisories or minor defects.
Rough price £50–£150 (one end, plus about £30–£50 if it needs a wheel alignment) ClickMechanicAt the viewing: On a straight road the steering wheel should sit straight. Listen for knocks when turning, and check the steering feels even.
- Anti-roll bar bushes and joints11.3× usualMitsubishi ASX3.4% All 2015 cars0.3%
Failed outright at MOT: 1.1%, against 0.1% of all 2015 cars. The rest were advisories or minor defects.
Rough price £100–£280 (pair of drop links) CheckatradeAt the viewing: Drive slowly over bumps and listen for a knock or rattle from the front. Worn anti-roll bar links are a cheap fix.
- Sub-frame2.8× usualMitsubishi ASX4.4% All 2015 cars1.6%
Failed outright at MOT: 0%, against 0.1% of all 2015 cars. The rest were advisories or minor defects.
Rough price £300–£1,000 our estimateAt the viewing: Look underneath at the frame the suspension bolts to. Flaky rust or holes are expensive to fix.
Suspension arm bushes and joints: 2.2% here, against 7.1% of all 2015 cars. Shock absorbers: 1% here, against 5.2% of all 2015 cars.
By area
The share of 2015 Mitsubishi ASX MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Brakes39% of testsRough price £150–£350
At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.
- Tyres29% of testsRough price £70–£150
At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.
- Suspension27% of testsRough price £120–£400
At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.
- Lights and electrics12% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Wipers, windscreen and mirrors7% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
- Seats and seatbelts4% of testsRough price £80–£250
At the viewing: Pull each seatbelt sharply. It should lock, and retract cleanly.
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Other years
| Year | MOT tests | Most flagged |
|---|---|---|
| 2021 | 510 | Tyres 19% |
| 2020 | 1,486 | Tyres 22% |
| 2019 | 1,613 | Tyres 27% |
| 2018 | 2,189 | Brakes 28% |
| 2017 | 3,974 | Brakes 34% |
| 2016 | 3,181 | Brakes 34% |
| 2014 | 3,650 | Brakes 42% |
| 2013 | 2,345 | Suspension 46% |
| 2012 | 2,009 | Suspension 49% |
| 2011 | 1,928 | Suspension 55% |
| 2010 | 1,419 | Suspension 57% |
Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2015 Mitsubishi ASXs registered in 2015. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score