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Mazda CX-30 GT Sport Tech MHEV Auto

Reliability, estimated running costs, and MOT data across 3 model years from 1,499 MOT tests in 2024.

Avg Pass Rate

91%

Total Tests

1,499

Highest Pass Rate

2021 (96%)

Years Covered

3

About the Mazda CX-30 GT Sport Tech MHEV Auto

The Mazda CX-30 GT Sport Tech MHEV Auto was MOT tested 1,499 times in 2024 (DVSA data, retests included) across 3 model years (2019 to 2021), with an average pass rate of 91%. That's comfortably above the average of 82% across all models in our data. Our records list petrol versions.

Best and Worst Years

Of the years with at least 100 tests, the 2021 model has the highest pass rate at 96% from 705 tests. The 2019 model has the lowest at 81%. The 15 point gap means pass rates vary somewhat between years, but no year is dramatically different. Newer cars usually pass more often simply because they are younger.

Reliability Trend

Newer Mazda CX-30 GT Sport Tech MHEV Autos pass their MOT more often than older ones, by 15 percentage points on average, which is mostly down to age and wear.

Mileage Across Years

The oldest model in our data (2019) averages 24,892 miles, while the newest (2021) averages 21,288 miles.

Compared to the Mazda brand average of 81%, the CX-30 GT Sport Tech MHEV Auto performs 10 points better, making it one of the more reliable options in the Mazda range.

Estimated Running Costs

Fuel (Petrol, 1998cc)
£1,631
Road Tax
£200
MOT Test
£55
Predicted Repairs
£200
Total per year£2,086
Per month£174/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2021 details

How reliable is the Mazda CX-30 GT Sport Tech MHEV Auto?

vs average of all models+9% (82% avg)
vs Mazda brand average+10% (81% avg)
Best to worst year spread15 percentage points
Reliability trendImproving over years

Mazda CX-30 GT Sport Tech MHEV Auto by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

YearPass RateTestsAvg Mileage
202196%70521,288 mi
202096%67024,118 mi
201981%12424,892 mi

Questions about the Mazda CX-30 GT Sport Tech MHEV Auto

Is the Mazda CX-30 GT Sport Tech MHEV Auto reliable?

Across its 3 model years in our data (2019 to 2021), the Mazda CX-30 GT Sport Tech MHEV Auto averages a 91% MOT pass rate, from 1,499 tests (DVSA MOT data for tests in 2024, retests included). That's 9 points above the average of 82% across all models in the same data. The 2021 model has the highest pass rate of the years with at least 100 tests, at 96%.

Which year Mazda CX-30 GT Sport Tech MHEV Auto has the best MOT pass rate?

Of the years with at least 100 tests, the 2021 Mazda CX-30 GT Sport Tech MHEV Auto has the highest MOT pass rate at 96%, while the 2019 model has the lowest at 81%, a 15 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Are newer Mazda CX-30 GT Sport Tech MHEV Autos more reliable?

Newer Mazda CX-30 GT Sport Tech MHEV Autos pass their MOT more often than older ones, by 15 percentage points on average, which is mostly down to age and wear.

Mazda CX-30 GT Sport Tech MHEV Auto Guides & Articles

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