Used car guide

2010 Subaru Outback diesel: common problems and MOT failures

What MOT testers find on the diesel Subaru Outback first registered in 2010 (diesel cars only): we looked at the 689 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

689MOTs of 2010 diesel cars, done in 2023–2025
61%pass first time (all 2010 cars: 60%)
9,200typical miles a year
2.2×the usual rate for suspension arm bushes and joints

What goes wrong more than usual on a 2010 Subaru Outback diesel?

Parts flagged at MOT more often on the 2010 Subaru Outback diesel than on all cars registered in 2010.

  • Suspension arm bushes and joints2.2× usual
    Subaru Outback
    22.5% All 2010 cars
    10.1%

    Failed outright at MOT: 3.2%, against 2.1% of all 2010 cars. The rest were advisories or minor defects.

    Rough price £120–£180 (one arm) ClickMechanic

    At the viewing: Listen for clunks over bumps and feel for the steering wandering. Worn arm bushes show as cracked rubber near the wheels.

  • Anti-roll bar bushes and joints15.5× usual
    Subaru Outback
    9.3% All 2010 cars
    0.6%

    Failed outright at MOT: 1%, against 0.1% of all 2010 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.

  • Steering rack inner joints4× usual
    Subaru Outback
    9.6% All 2010 cars
    2.4%

    Failed outright at MOT: 0%, against 0% of all 2010 cars. The rest were advisories or minor defects.

    Rough price £100–£450 our estimate

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

  • Sub-frame2.5× usual
    Subaru Outback
    12.5% All 2010 cars
    5.1%

    Failed outright at MOT: 2.3%, against 0.3% of all 2010 cars. The rest were advisories or minor defects.

    Rough price £300–£1,000 our estimate

    At the viewing: Look underneath at the frame the suspension bolts to. Flaky rust or holes are expensive to fix.

  • Sidelights2.2× usual
    Subaru Outback
    13.8% All 2010 cars
    6.4%

    Failed outright at MOT: 11.6%, against 5.7% of all 2010 cars. The rest were advisories or minor defects.

    Rough price £10–£80 our estimate

    At the viewing: Ask a friend to check every light while you work the switches: indicators, brake lights, fog lights and reversing lights.

Better than most

Coil springs: 4.9% here, against 10.3% of all 2010 cars.

Common 2010 Subaru Outback diesel MOT failures and advisories

The share of 2010 Subaru Outback diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Suspension
    52% 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
    39% of testsRough price £10–£80

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

  • Brakes
    34% 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
    29% 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.

  • Wipers, windscreen and mirrors
    11% of testsRough price £15–£250

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

  • Steering
    11% of testsRough price £100–£450

    At the viewing: On a straight road the steering wheel should sit straight. Feel for play or knocking when turning.

Questions to ask the seller before buying a 2010 Subaru Outback diesel

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

  1. Any recent work on the suspension arm bushes and joints? (Flagged at MOT 2.2× as often on the 2010 Subaru Outback diesel as on other cars the same age.)
  2. Any recent work on the anti-roll bar bushes and joints? (Flagged at MOT 15.5× as often on the 2010 Subaru Outback diesel as on other cars the same age.)
  3. Any recent work on the steering rack inner joints? (Flagged at MOT 4× as often on the 2010 Subaru Outback diesel as on other cars the same age.)
  4. 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%
20181,931Tyres 22%
20171,386Tyres 22%
20162,242Tyres 23%
20152,297Tyres 24%
2014654Suspension 31%
2013787Suspension 40%
2012884Suspension 44%
20111,465Suspension 44%
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 2010. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score