2021 Kia Niro · 5,892 MOT tests
2021 Kia Niro reliability
2021 Kia Niros fail 9.1% of first MOT tests, 31% fewer MOT fails than the average car its age and mileage, ranking 1 of 6 Niro years (5,892 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Kia Niros: 13%)
- 9.1%
- first-time fail rate (all Kia Niros: 13%)
- fails than cars of the same age and mileage
- 31% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 3
- 31,401
- typical miles at its MOT, aged about 3
- MOT tests, 2022 to 2024
- 5,892
- MOT tests, 2022 to 2024
Year on year
2021 against the years either side
- 2020 cars: 13% fewer MOT fails than the average car its age (the 2021 car does better)
- Weak spot: tyres, 5.1% of tests fail here (11% above cars of the same age and mileage).
- Strong point: lights and electrics, 54% fewer fails than comparable cars.
- Plates: a 2021 car carries a 70 plate (January–February 2021), or a 21 plate (March–August 2021), or a 71 plate (September–December 2021).
Common problems
What fails on a 2021 Kia Niro
Fail rate by area
- Tyres5.1%
- Windscreen, wipers and mirrors2.4%
- Lights and electrics1.5%
- Brakes0.6%
- Seat belts and airbags0.1%
- Steering0.1%
- Wheels0.1%
Average for cars of the same age and mileage
Top failures
Wiper blade not clearing windscreen 1.14%
Wipers that do not clear the windscreen reduce visibility in rain, which is a safety risk, so replace them.
Tyre tread below 1.6mm 1.09%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Tyre cut reaching ply or cords 1.05%
A cut reaching the ply or cords weakens the tyre and can cause a burst, so it must be replaced.
Tyre ply or cords exposed 0.95%
Exposed ply or cords can let the tyre fail suddenly, so the tyre must be replaced before the car is driven.
Headlamp aim set too low 0.39%
Headlamps aimed too low light the road poorly and reduce the driver's view ahead, especially at night.
Windscreen washer fluid insufficient 0.25%
Washers are not supplying enough liquid, so the windscreen cannot be cleared properly, which is a safety issue.
Common advisories
Tyre worn close to legal limit (7.23%) · Tyre slightly damaged or cracking (3%) · Brake disc pitted or scored (1.43%) · Nail in tyre, monitor (1.19%) · Child seat limits belt inspection (1.07%) · Tyre has a shallow cut (0.92%)
Is a 2021 Kia Niro reliable?
2021 Kia Niros fail 9.1% of first MOT tests, 31% fewer MOT fails than the average car its age and mileage, ranking 1 of 6 Niro years (5,892 DVSA tests, 2022 to 2024).
What fails on a 2021 Kia Niro MOT?
Most often wiper blade not clearing windscreen (1.14% of tests), tyre tread below 1.6mm (1.09% of tests), tyre cut reaching ply or cords (1.05% of tests).
How many miles should a 2021 Kia Niro have done?
At its MOT aged about 3, a typical 2021 Kia Niro shows 31,401 miles. Much higher or lower is worth asking about.
What plate is a 2021 car?
A car first registered in 2021 carries a 70 plate (January–February 2021), or a 21 plate (March–August 2021), or a 71 plate (September–December 2021).
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