Used car guide

2019 Hyundai I800: common problems and what to check

What gets flagged at MOT on 2019 Hyundai I800s, from 1,829 tests in 2025, plus known faults and what to look at before you buy one.

1,829MOT tests in 2025
72%pass first time (all 2019 cars: 84%)
9,300typical miles a year
6.2×the usual rate for number plate lights

What stands out

Parts flagged at MOT more often on 2019 Hyundai I800s than on all cars registered in 2019.

  • Number plate lights6.2× usual
    Hyundai I800
    8.7% All 2019 cars
    1.4%

    Failed outright at MOT: 2.7%, against 0.5% of all 2019 cars. The rest were advisories or minor defects.

    Rough price £5–£40 our estimate

    At the viewing: Check the number plate lights work and the plates are clean and legal.

  • Headlights8.1× usual
    Hyundai I800
    8.1% All 2019 cars
    1%

    Failed outright at MOT: 8.1%, against 0.9% of all 2019 cars. The rest were advisories or minor defects.

    Rough price £40–£400 our estimate

    At the viewing: Check both headlights on dipped and full beam, and look for cloudy or cracked lenses.

  • Sidelights18.5× usual
    Hyundai I800
    7.4% All 2019 cars
    0.4%

    Failed outright at MOT: 7.3%, against 0.3% of all 2019 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.

  • Headlight aim4.3× usual
    Hyundai I800
    6.8% All 2019 cars
    1.6%

    Failed outright at MOT: 6.8%, against 1.6% of all 2019 cars. The rest were advisories or minor defects.

    Rough price £20–£60 our estimate

    At the viewing: Park facing a wall at night or in a garage and check both headlight beams sit level. Aim is a cheap adjustment.

Better than most

Tyre condition: 6.2% here, against 13.9% of all 2019 cars.

By area

The share of 2019 Hyundai I800 MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Lights and electrics
    27% 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
    24% 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
    24% 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.

  • Seats and seatbelts
    6% of testsRough price £80–£250

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

  • 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.

  • Oil and fluid leaks
    3% of testsRough price £80–£600

    At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.

Looking at a Hyundai I800?

Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.

Other years

YearMOT testsMost flagged
20181,181Lights and electrics 32%
20171,326Lights and electrics 37%
20161,017Lights and electrics 42%
2012904Brakes 49%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2019 Hyundai I800s registered in 2019. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score