Used car guide

2018 Subaru Outback petrol: common problems and MOT failures

What MOT testers find on the petrol Subaru Outback first registered in 2018 (petrol cars only): we looked at the 1,459 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

1,459MOTs of 2018 petrol cars, done in 2023–2025
88%pass first time (all 2018 cars: 83%)
8,000typical miles a year
17.5×the usual rate for anti-roll bar bushes and joints

What goes wrong more than usual on a 2018 Subaru Outback petrol?

Parts flagged at MOT more often on the 2018 Subaru Outback petrol than on all cars registered in 2018.

  • Anti-roll bar bushes and joints17.5× usual
    Subaru Outback
    3.5% All 2018 cars
    0.2%

    Failed outright at MOT: 0.3%, against 0% of all 2018 cars. The rest were advisories or minor defects.

    Rough price £100–£280 (pair of drop links) Checkatrade

    At 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.

  • Shock absorbers2.4× usual
    Subaru Outback
    5.5% All 2018 cars
    2.3%

    Failed outright at MOT: 0%, against 0.4% of all 2018 cars. The rest were advisories or minor defects.

    Rough price £200–£300 (pair, average rear to front) ClickMechanic

    At the viewing: Push down hard on each corner. It should bounce once and settle. Look for oil on the shock absorber body.

Common 2018 Subaru Outback petrol MOT failures and advisories

The share of 2018 Subaru Outback petrol MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    23% 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.

  • Brakes
    18% 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.

  • Suspension
    11% 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.

  • 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.

  • Lights and electrics
    4% of testsRough price £10–£80

    At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.

  • Seats and seatbelts
    1% of testsRough price £80–£250

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

Questions to ask the seller before buying a 2018 Subaru Outback 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 anti-roll bar bushes and joints? (Flagged at MOT 17.5× as often on the 2018 Subaru Outback petrol as on other cars the same age.)
  2. Any recent work on the shock absorbers? (Flagged at MOT 2.4× as often on the 2018 Subaru Outback petrol as on other cars the same age.)
  3. Can I see the service history and receipts for any big jobs?

Looking at a Subaru Outback?

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 Subaru Outback compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
2023–Too new for MOT data
2022612Tyres 22%
20211,192Tyres 21%
2020740Tyres 22%
20191,746Tyres 25%
20171,386Tyres 22%
20162,242Tyres 23%
20152,297Tyres 24%
2014654Suspension 31%
2013787Suspension 40%
2012884Suspension 44%
20111,465Suspension 44%
20101,329Suspension 47%
2009915Suspension 53%
2008634Suspension 51%
20071,096Suspension 56%
20061,190Suspension 56%
2005798Suspension 57%
2004590Suspension 57%
2003–Too few tests

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Subaru Outback cars first registered in 2018. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score