Used car guide

2017 Toyota Yaris diesel: common problems and MOT failures

What MOT testers find on the diesel Toyota Yaris first registered in 2017 (diesel cars only): we looked at the 653 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

653MOTs of 2017 diesel cars, done in 2023–2025
79%pass first time (all 2017 cars: 80%)
11,000typical miles a year
28%had tyres flagged

Common 2017 Toyota Yaris diesel MOT failures and advisories

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

  • Tyres
    28% 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
    16% 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
    15% 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
    15% 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
    7% of testsRough price £15–£250

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

  • Driveshafts and joints
    2% of testsRough price £60–£350

    At the viewing: On full steering lock, drive slowly and listen for clicking from the front wheels.

Known faults on the 2017 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.

  • CVT automatic

    Automatic (not hybrid)

    The Multidrive automatic is rated as less reliable than the manual.

    At the viewing: If it’s an automatic, check it drives smoothly from a standstill and at low speed.

    Source: Auto Express: used Toyota Yaris Mk3 review

  • Corrosion behind the number plate

    The rear number plate trim can make the tailgate corrode.

    At the viewing: Look closely around the rear number plate.

    Source: Auto Express: used Toyota Yaris Mk3 review

Questions to ask the seller before buying a 2017 Toyota Yaris diesel

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

  1. 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%
201684,554Tyres 28%
201591,481Tyres 29%
201486,278Tyres 29%
201386,046Tyres 30%
201281,787Tyres 29%
201148,171Suspension 30%
201055,604Suspension 35%
200973,384Suspension 35%
200867,114Suspension 44%
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 2017. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score