Used car guide

2017 Mitsubishi ASX petrol: common problems and MOT failures

What MOT testers find on the petrol Mitsubishi ASX first registered in 2017 (petrol cars only): we looked at the 5,480 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

5,480MOTs of 2017 petrol cars, done in 2023–2025
83%pass first time (all 2017 cars: 80%)
6,800typical miles a year
1.7×the usual rate for brake pads

What goes wrong more than usual on a 2017 Mitsubishi ASX petrol?

Parts flagged at MOT more often on the 2017 Mitsubishi ASX petrol than on all cars registered in 2017.

  • Brake pads1.7× usual
    Mitsubishi ASX
    18.6% All 2017 cars
    10.9%

    Failed outright at MOT: 3.8%, against 2.2% of all 2017 cars. The rest were advisories or minor defects.

    Rough price £75–£175 (one axle) ClickMechanic

    At the viewing: Listen for squealing or grinding when braking, and look through the wheel at how much pad is left.

  • Rigid brake pipes5.1× usual
    Mitsubishi ASX
    5.1% All 2017 cars
    1%

    Failed outright at MOT: 0.8%, against 0.1% of all 2017 cars. The rest were advisories or minor defects.

    Rough price £100–£400 our estimate

    At 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.

  • Track rod ends2.6× usual
    Mitsubishi ASX
    3.7% All 2017 cars
    1.4%

    Failed outright at MOT: 0.9%, against 0.6% of all 2017 cars. The rest were advisories or minor defects.

    Rough price £50–£150 (one end, plus about £30–£50 if it needs a wheel alignment) ClickMechanic

    At the viewing: On a straight road the steering wheel should sit straight. Listen for knocks when turning, and check the steering feels even.

Common 2017 Mitsubishi ASX petrol MOT failures and advisories

The share of 2017 Mitsubishi ASX petrol MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Brakes
    29% 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.

  • Tyres
    27% 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.

  • Suspension
    10% 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 electrics
    6% 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 mirrors
    6% of testsRough price £15–£250

    At the viewing: Check for chips in the driver's view, and test the wipers and washers.

  • Seats and seatbelts
    4% of testsRough price £80–£250

    At the viewing: Pull each seatbelt sharply. It should lock, and retract cleanly.

Known faults on the 2017 Mitsubishi ASX petrol

Reported by owners, mechanics and buying guides for this model and age. Check which engine the car has, as some apply to one engine only.

Questions to ask the seller before buying a 2017 Mitsubishi ASX petrol

Ask before you travel to see it. A seller who knows the car will have answers, and receipts.

  1. Any recent work on the brake pads? (Flagged at MOT 1.7× as often on the 2017 Mitsubishi ASX petrol as on other cars the same age.)
  2. Any recent work on the rigid brake pipes? (Flagged at MOT 5.1× as often on the 2017 Mitsubishi ASX petrol as on other cars the same age.)
  3. Any recent work on the track rod ends? (Flagged at MOT 2.6× as often on the 2017 Mitsubishi ASX petrol as on other cars the same age.)
  4. Can I see the service history and receipts for any big jobs?

Looking at a Mitsubishi ASX?

Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.

Other years

Every year of the Mitsubishi ASX compared

YearMOT testsMost flagged
20211,050Tyres 17%
20204,474Tyres 17%
20194,747Tyres 24%
20186,511Tyres 26%
20169,463Brakes 32%
201513,479Brakes 37%
201411,072Brakes 40%
20137,233Brakes 41%
20126,279Suspension 42%
20116,245Suspension 48%
20104,780Suspension 53%

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Mitsubishi ASX cars first registered in 2017. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score