Used car guide

2016 Toyota Sienta hybrid: common problems and MOT failures

What MOT testers find on the hybrid Toyota Sienta first registered in 2016 (hybrid cars only): we looked at the 135 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

Small sample: there were only 135 MOTs of these cars during 2023–2025, so treat the percentages as rough. The known faults below don't depend on it.

135MOTs of 2016 hybrid cars, done in 2023–2025
86%pass first time (all 2016 cars: 77%)
6,600typical miles a year
13%had lights and electrics flagged

Common 2016 Toyota Sienta hybrid MOT failures and advisories

The share of 2016 Toyota Sienta hybrid MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Lights and electrics
    13% of testsRough price £10–£80

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

  • Suspension
    13% 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.

  • Tyres
    9% 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
    5% 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.

  • Wipers, windscreen and mirrors
    1% 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
    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 2016 Toyota Sienta hybrid

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 Sienta?

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Other years

Every year of the Toyota Sienta compared

YearMOT testsMost flagged
2026–Too new for MOT data
2017178Suspension 15%

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 Sienta cars first registered in 2016. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score