2018 Mazda CX-3 · 19,161 MOT tests
2018 Mazda CX-3 reliability
2018 Mazda CX-3s fail 10.5% of first MOT tests, 24% fewer MOT fails than the average car its age and mileage, ranking 1 of 5 CX-3 years (19,161 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Mazda CX-3s: 13.2%)
- 10.5%
- first-time fail rate (all Mazda CX-3s: 13.2%)
- fails than cars of the same age and mileage
- 24% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 4
- 30,833
- typical miles at its MOT, aged about 4
- MOT tests, 2022 to 2024
- 19,161
- MOT tests, 2022 to 2024
Year on year
2018 against the years either side
- 2017 cars: 22% fewer MOT fails than the average car its age (the 2018 car does better)
- 2019 cars: 19% fewer MOT fails than the average car its age (the 2018 car does better)
- Strong point: lights and electrics, 45% 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 Mazda CX-3
Fail rate by area
- Tyres3.7%
- Windscreen, wipers and mirrors3.3%
- Brakes2.3%
- Lights and electrics1.7%
- Suspension0.6%
- Exhaust, emissions and leaks0.2%
- Seat belts and airbags0.1%
Average for cars of the same age and mileage
Top failures
Wiper blade not clearing windscreen 2.47%
Wipers that do not clear the windscreen reduce visibility in rain, which is a safety risk, so replace them.
Tyre cut reaching ply or cords 1.19%
A cut reaching the ply or cords weakens the tyre and can cause a burst, so it must be replaced.
Brake pads worn below 1.5mm 1.1%
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 0.89%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Headlamp aim set too low 0.44%
Headlamps aimed too low light the road poorly and reduce the driver's view ahead, especially at night.
Windscreen washer fluid insufficient 0.44%
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 (10.56%) · Brake pads wearing thin (9.22%) · Tyre slightly damaged or cracking (8.2%) · Brake disc pitted or scored (5.94%) · Brake discs showing some wear (2%) · Child seat limits belt inspection (1.84%)
Is a 2018 Mazda CX-3 reliable?
2018 Mazda CX-3s fail 10.5% of first MOT tests, 24% fewer MOT fails than the average car its age and mileage, ranking 1 of 5 CX-3 years (19,161 DVSA tests, 2022 to 2024).
What fails on a 2018 Mazda CX-3 MOT?
Most often wiper blade not clearing windscreen (2.47% of tests), tyre cut reaching ply or cords (1.19% of tests), brake pads worn below 1.5mm (1.1% of tests).
How many miles should a 2018 Mazda CX-3 have done?
At its MOT aged about 4, a typical 2018 Mazda CX-3 shows 30,833 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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