2020 Kia Stonic · 6,190 MOT tests
2020 Kia Stonic reliability
2020 Kia Stonics fail 9% of first MOT tests, 18% fewer MOT fails than the average car its age and mileage, ranking 2 of 5 Stonic years (6,190 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Kia Stonics: 11.9%)
- 9%
- first-time fail rate (all Kia Stonics: 11.9%)
- fails than cars of the same age and mileage
- 18% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 3
- 21,815
- typical miles at its MOT, aged about 3
- MOT tests, 2022 to 2024
- 6,190
- MOT tests, 2022 to 2024
Year on year
2020 against the years either side
- 2019 cars: 7% fewer MOT fails than the average car its age (the 2020 car does better)
- 2021 cars: 44% fewer MOT fails than the average car its age (the 2020 car does worse)
- Weak spot: windscreen, wipers and mirrors, 4.6% of tests fail here (53% above cars of the same age and mileage).
- Strong point: tyres, 62% fewer fails than comparable cars.
- Plates: a 2020 car carries a 69 plate (January–February 2020), or a 20 plate (March–August 2020), or a 70 plate (September–December 2020).
Common problems
What fails on a 2020 Kia Stonic
Fail rate by area
- Windscreen, wipers and mirrors4.6%
- Brakes1.8%
- Tyres1.5%
- Lights and electrics1.2%
- Exhaust, emissions and leaks0.3%
- Steering0.3%
- Suspension0.3%
Average for cars of the same age and mileage
Top failures
Wiper blade not clearing windscreen 2.91%
Wipers that do not clear the windscreen reduce visibility in rain, which is a safety risk, so replace them.
Brake pads worn below 1.5mm 1%
Pads worn below 1.5mm lose stopping power and can damage discs, so replacement is needed before the car is driven.
Tyre tread below 1.6mm 0.4%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Tyre cut reaching ply or cords 0.32%
A cut reaching the ply or cords weakens the tyre and can cause a burst, so it must be replaced.
Headlamp aim set too low 0.31%
Headlamps aimed too low light the road poorly and reduce the driver's view ahead, especially at night.
Tyre bulge from structural failure 0.26%
A bulge means the tyre's structure has failed and it could burst suddenly, so it must be replaced at once.
Common advisories
Tyre worn close to legal limit (6.61%) · Brake pads wearing thin (6.14%) · Brake disc pitted or scored (2.23%) · Brake discs showing some wear (1.44%) · Child seat limits belt inspection (1.37%) · Nail in tyre, monitor (1.32%)
Is a 2020 Kia Stonic reliable?
2020 Kia Stonics fail 9% of first MOT tests, 18% fewer MOT fails than the average car its age and mileage, ranking 2 of 5 Stonic years (6,190 DVSA tests, 2022 to 2024).
What fails on a 2020 Kia Stonic MOT?
Most often wiper blade not clearing windscreen (2.91% of tests), brake pads worn below 1.5mm (1% of tests), tyre tread below 1.6mm (0.4% of tests).
How many miles should a 2020 Kia Stonic have done?
At its MOT aged about 3, a typical 2020 Kia Stonic shows 21,815 miles. Much higher or lower is worth asking about.
What plate is a 2020 car?
A car first registered in 2020 carries a 69 plate (January–February 2020), or a 20 plate (March–August 2020), or a 70 plate (September–December 2020).
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