Used car guide

2008 Toyota Yaris diesel: common problems and MOT failures

What MOT testers find on the diesel Toyota Yaris first registered in 2008 (diesel cars only): we looked at the 12,425 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

12,425MOTs of 2008 diesel cars, done in 2023–2025
58%pass first time (all 2008 cars: 57%)
7,000typical miles a year
2.5×the usual rate for rigid brake pipes

What goes wrong more than usual on a 2008 Toyota Yaris diesel?

Parts flagged at MOT more often on the 2008 Toyota Yaris diesel than on all cars registered in 2008.

  • Rigid brake pipes2.5× usual
    Toyota Yaris
    23.3% All 2008 cars
    9.3%

    Failed outright at MOT: 3.2%, against 1.6% of all 2008 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.

  • Coil springs1.7× usual
    Toyota Yaris
    19.5% All 2008 cars
    11.4%

    Failed outright at MOT: 6.1%, against 4.1% of all 2008 cars. The rest were advisories or minor defects.

    Rough price £175–£400 (pair, one axle) ClickMechanic

    At the viewing: Look behind each wheel for a snapped spring coil, and listen for a clunk or twang when turning the wheel lock to lock with the car stopped.

  • Corroded fuel pipes12.7× usual
    Toyota Yaris
    7.6% All 2008 cars
    0.6%

    Failed outright at MOT: 0%, against 0% of all 2008 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.

  • Rust around suspension or steering mountings2.1× usual
    Toyota Yaris
    7.2% All 2008 cars
    3.5%

    Failed outright at MOT: 2.5%, against 1.6% of all 2008 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.

  • Wheel bearings2.3× usual
    Toyota Yaris
    6% All 2008 cars
    2.6%

    Failed outright at MOT: 2.9%, against 1% of all 2008 cars. The rest were advisories or minor defects.

    Rough price £120–£300 (one bearing) ClickMechanic

    At the viewing: Listen for a hum or growl that changes as you steer at speed.

Better than most

Exhaust system: 0.7% here, against 8.6% of all 2008 cars. Engine oil leaks: 3.5% here, against 11.3% of all 2008 cars.

Common 2008 Toyota Yaris diesel MOT failures and advisories

The share of 2008 Toyota Yaris diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Suspension
    48% 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.

  • Brakes
    39% 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.

  • Lights and electrics
    35% of testsRough price £10–£80

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

  • Tyres
    32% 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.

  • Rust and bodywork
    15% of testsRough price £150–£1,000

    At the viewing: Check the sills, wheel arches and underneath for rust, and look along the panels for uneven gaps or paint.

  • 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.

Known faults on the 2008 Toyota Yaris diesel

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.

  • Jerky MMT automatic

    MMT automatic

    The MMT automated gearbox is jerky, and owners generally don't like it. What Car? also notes some reliability issues without naming them.

    At the viewing: If it's an automatic, drive it in traffic and feel for lurching changes.

    Source: What Car?: used Toyota Yaris (2006-2011) reliability

Questions to ask the seller before buying a 2008 Toyota Yaris 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 rigid brake pipes? (Flagged at MOT 2.5× as often on the 2008 Toyota Yaris diesel as on other cars the same age.)
  2. Any recent work on the coil springs? (Flagged at MOT 1.7× as often on the 2008 Toyota Yaris diesel as on other cars the same age.)
  3. Any recent work on the corroded fuel pipes? (Flagged at MOT 12.7× as often on the 2008 Toyota Yaris diesel as on other cars the same age.)
  4. Can I see the service history and receipts for any big jobs?

Looking at a Toyota Yaris?

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 Toyota Yaris compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
20231,199Tyres 12%
202222,993Tyres 20%
202147,677Tyres 22%
202061,611Tyres 21%
201982,989Tyres 26%
201882,903Tyres 27%
201779,864Tyres 27%
201684,554Tyres 28%
201591,481Tyres 29%
201486,278Tyres 29%
201386,046Tyres 30%
201281,787Tyres 29%
201148,171Suspension 30%
201055,604Suspension 35%
200973,384Suspension 35%
200762,625Suspension 43%
200651,516Lights and electrics 47%
200549,444Suspension 48%
200440,521Suspension 50%
200334,635Suspension 51%
200227,079Suspension 54%
200121,226Suspension 58%
200010,634Suspension 60%
19993,208Suspension 60%

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Toyota Yaris cars first registered in 2008. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score