2018 Infiniti Q30 · 1,073 MOT tests
2018 Infiniti Q30 reliability
2018 Infiniti Q30s fail 10.9% of first MOT tests, 27% fewer MOT fails than the average car its age and mileage, ranking 1 of 3 Q30 years (1,073 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Infiniti Q30s: 14.9%)
- 10.9%
- first-time fail rate (all Infiniti Q30s: 14.9%)
- fails than cars of the same age and mileage
- 27% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 5
- 35,758
- typical miles at its MOT, aged about 5
- MOT tests, 2022 to 2024
- 1,073
- MOT tests, 2022 to 2024
Year on year
2018 against the years either side
- 2017 cars: 18% fewer MOT fails than the average car its age (the 2018 car does better)
- 2019 cars: 25% fewer MOT fails than the average car its age (the 2018 car does better)
- Strong point: lights and electrics, 41% fewer fails than comparable cars.
- Plates: a 2018 car carries a 67 plate (January–February 2018), or a 18 plate (March–August 2018), or a 68 plate (September–December 2018).
Common problems
What fails on a 2018 Infiniti Q30
Fail rate by area
- Tyres4.5%
- Windscreen, wipers and mirrors2.4%
- Lights and electrics2.1%
- Brakes2%
- Suspension0.7%
- Exhaust, emissions and leaks0.4%
- Number plates and VIN0.2%
Average for cars of the same age and mileage
Top failures
Tyre tread below 1.6mm 1.4%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Brake pads worn below 1.5mm 0.93%
Pads worn below 1.5mm lose stopping power and can damage discs, so replacement is needed before the car is driven.
Windscreen washer fluid insufficient 0.93%
Washers are not supplying enough liquid, so the windscreen cannot be cleared properly, which is a safety issue.
Tyre ply or cords exposed 0.84%
Exposed ply or cords can let the tyre fail suddenly, so the tyre must be replaced before the car is driven.
Wiper blade not clearing windscreen 0.75%
Wipers that do not clear the windscreen reduce visibility in rain, which is a safety risk, so replace them.
Tyre tear from structural failure 0.65%
A tear in the tyre's structure means it can fail suddenly, so it must be replaced before the car is driven.
Common advisories
Tyre worn close to legal limit (10.44%) · Tyre slightly damaged or cracking (9.51%) · Brake pads wearing thin (6.71%) · Brake disc pitted or scored (5.87%) · Brake discs showing some wear (2.42%) · Child seat limits belt inspection (1.58%)
Other years
Every Infiniti Q30 year
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Source: DVSA anonymised MOT results, 2022 to 2024, class 4 normal tests.
Is a 2018 Infiniti Q30 reliable?
2018 Infiniti Q30s fail 10.9% of first MOT tests, 27% fewer MOT fails than the average car its age and mileage, ranking 1 of 3 Q30 years (1,073 DVSA tests, 2022 to 2024).
What fails on a 2018 Infiniti Q30 MOT?
Most often tyre tread below 1.6mm (1.4% of tests), brake pads worn below 1.5mm (0.93% of tests), windscreen washer fluid insufficient (0.93% of tests).
How many miles should a 2018 Infiniti Q30 have done?
At its MOT aged about 5, a typical 2018 Infiniti Q30 shows 35,758 miles. Much higher or lower is worth asking about.
What plate is a 2018 car?
A car first registered in 2018 carries a 67 plate (January–February 2018), or a 18 plate (March–August 2018), or a 68 plate (September–December 2018).
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