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Mazda CX-30 GT Sport Tech MHEV

Reliability, estimated running costs, and MOT data across 4 model years from 2,057 MOT tests in 2024.

Avg Pass Rate

95%

Total Tests

2,057

Highest Pass Rate

2021 (95%)

Years Covered

4

About the Mazda CX-30 GT Sport Tech MHEV

The Mazda CX-30 GT Sport Tech MHEV was MOT tested 2,057 times in 2024 (DVSA data, retests included) across 4 model years (2019 to 2022), with an average pass rate of 95%. 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 95% from 1,031 tests. The 2020 model has the lowest at 94%. With just a 1 point gap, pass rates are similar across these years. Newer cars usually pass more often simply because they are younger.

Mileage Across Years

The oldest model in our data (2019) averages 22,969 miles, while the newest (2022) averages 21,035 miles.

Compared to the Mazda brand average of 81%, the CX-30 GT Sport Tech MHEV performs 14 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 2022 details

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

vs average of all models+13% (82% avg)
vs Mazda brand average+14% (81% avg)
Best to worst year spread1 percentage points

Mazda CX-30 GT Sport Tech MHEV by Year

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

YearPass RateTestsAvg Mileage
202298%5521,035 mi
202195%1,03121,897 mi
202094%90527,485 mi
201991%6622,969 mi

Questions about the Mazda CX-30 GT Sport Tech MHEV

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

Across its 4 model years in our data (2019 to 2022), the Mazda CX-30 GT Sport Tech MHEV averages a 95% MOT pass rate, from 2,057 tests (DVSA MOT data for tests in 2024, retests included). That's 13 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 95%.

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

Of the years with at least 100 tests, the 2021 Mazda CX-30 GT Sport Tech MHEV has the highest MOT pass rate at 95%, while the 2020 model has the lowest at 94%, a 1 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Mazda CX-30 GT Sport Tech MHEV Guides & Articles

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