What are the most common problems with a 2014 Hyundai I800?

The biggest MOT weak spot is number plate lights: flagged on 15.3% of tests, 3.3× the rate for all 2014 cars, followed by braking performance (10.1%).

What should I ask the seller before buying a used 2014 Hyundai I800?

Any recent work on the number plate lights? (Flagged at MOT 3.3× as often on the 2014 Hyundai I800 as on other cars the same age.) Any recent work on the braking performance? (Flagged at MOT 2.7× as often on the 2014 Hyundai I800 as on other cars the same age.) Any recent work on the sidelights? (Flagged at MOT 3.2× as often on the 2014 Hyundai I800 as on other cars the same age.) Can I see the service history and receipts for any big jobs?

Used car guide

2014 Hyundai I800: common problems and MOT failures

What MOT testers find on the Hyundai I800 first registered in 2014: we looked at the 457 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

Small sample: there were only 457 MOTs of these cars during 2023–2025, so treat the percentages as rough. The known faults below don't depend on it.

457MOTs of 2014 cars, done in 2023–2025

63%pass first time (all 2014 cars: 70%)

9,400typical miles a year

3.3×the usual rate for number plate lights

What goes wrong more than usual on a 2014 Hyundai I800?

Parts flagged at MOT more often on the 2014 Hyundai I800 than on all cars registered in 2014.

Number plate lights3.3× usual

Hyundai I800
15.3% All 2014 cars
4.6%

Failed outright at MOT: 3.5%, against 1.4% of all 2014 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.
Braking performance2.7× usual

Hyundai I800
10.1% All 2014 cars
3.8%

Failed outright at MOT: 4.6%, against 1.4% of all 2014 cars. The rest were advisories or minor defects.

Rough price £100–£350 our estimate

At the viewing: On a quiet road, brake firmly from about 30mph. The car should stop straight without pulling.
Sidelights3.2× usual

Hyundai I800
8.1% All 2014 cars
2.5%

Failed outright at MOT: 8.1%, against 2.2% of all 2014 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 aim2.4× usual

Hyundai I800
7.4% All 2014 cars
3.1%

Failed outright at MOT: 7.4%, against 3.1% of all 2014 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.

Common 2014 Hyundai I800 MOT failures and advisories

The share of 2014 Hyundai I800 MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

Brakes

42% 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

26% 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.
Suspension

21% 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.
Wipers, windscreen and mirrors

8% 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

3% 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 2014 Hyundai I800

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

Any recent work on the number plate lights? (Flagged at MOT 3.3× as often on the 2014 Hyundai I800 as on other cars the same age.)
Any recent work on the braking performance? (Flagged at MOT 2.7× as often on the 2014 Hyundai I800 as on other cars the same age.)
Any recent work on the sidelights? (Flagged at MOT 3.2× as often on the 2014 Hyundai I800 as on other cars the same age.)
Can I see the service history and receipts for any big jobs?

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

Every year of the Hyundai I800 compared

Year	MOT tests	Most flagged
2020	220	Lights and electrics 28%
2019	5,407	Lights and electrics 25%
2018	3,528	Lights and electrics 30%
2017	4,030	Lights and electrics 34%
2016	3,146	Lights and electrics 37%
2015	451	Lights and electrics 39%
2013	621	Brakes 44%
2012	2,811	Brakes 47%
2011	1,527	Brakes 47%
2010	1,277	Brakes 49%
2009	480	Lights and electrics 54%
2008	344	Lights and electrics 47%

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Hyundai I800 cars first registered in 2014. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score