2020 Mazda CX-30 · 9,828 MOT tests
2020 Mazda CX-30 reliability
2020 Mazda CX-30s fail 8.9% of first MOT tests, 23% fewer MOT fails than the average car its age and mileage, ranking 2 of 2 CX-30 years (9,828 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Mazda CX-30s: 8.8%)
- 8.9%
- first-time fail rate (all Mazda CX-30s: 8.8%)
- fails than cars of the same age and mileage
- 23% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 3
- 24,471
- typical miles at its MOT, aged about 3
- MOT tests, 2022 to 2024
- 9,828
- MOT tests, 2022 to 2024
Year on year
2020 against the years either side
- 2019 cars: 12% fewer MOT fails than the average car its age (the 2020 car does better)
- 2021 cars: 26% fewer MOT fails than the average car its age (the 2020 car does worse)
- Weak spot: exhaust, emissions and leaks, 1% of tests fail here (83% above cars of the same age and mileage).
- Strong point: lights and electrics, 56% 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 Mazda CX-30
Fail rate by area
- Tyres3.1%
- Windscreen, wipers and mirrors2.7%
- Brakes1.4%
- Lights and electrics1.1%
- Exhaust, emissions and leaks1%
- Suspension0.4%
- Steering0.1%
Average for cars of the same age and mileage
Top failures
Wiper blade not clearing windscreen 1.22%
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 1.06%
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 0.57%
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 0.54%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Engine warning light inoperative or lit 0.54%
An engine warning light that is lit or not working can hide faults, so diagnosis is needed before buying.
Windscreen washer fluid insufficient 0.51%
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 (7.77%) · Brake disc pitted or scored (7.3%) · Brake pads wearing thin (6.07%) · Shock absorber light oil misting (3.93%) · Tyre slightly damaged or cracking (2%) · Tyre has a shallow cut (1.55%)
Other years
Every Mazda CX-30 year
The full picture: Mazda CX-30 reliability. Before you pay for any Mazda CX-30, a Full Check (£9.99) shows finance, stolen and write-off records the MOT can't.
Source: DVSA anonymised MOT results, 2022 to 2024, class 4 normal tests.
Is a 2020 Mazda CX-30 reliable?
2020 Mazda CX-30s fail 8.9% of first MOT tests, 23% fewer MOT fails than the average car its age and mileage, ranking 2 of 2 CX-30 years (9,828 DVSA tests, 2022 to 2024).
What fails on a 2020 Mazda CX-30 MOT?
Most often wiper blade not clearing windscreen (1.22% of tests), tyre cut reaching ply or cords (1.06% of tests), brake pads worn below 1.5mm (0.57% of tests).
How many miles should a 2020 Mazda CX-30 have done?
At its MOT aged about 3, a typical 2020 Mazda CX-30 shows 24,471 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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