Mazda CX-30 GT Sport MHEV
Reliability, estimated running costs, and MOT data across 2 model years from 3,208 MOT tests in 2024.
Avg Pass Rate
95%
Total Tests
3,208
Highest Pass Rate
2021 (96%)
Years Covered
2
About the Mazda CX-30 GT Sport MHEV
The Mazda CX-30 GT Sport MHEV was MOT tested 3,208 times in 2024 (DVSA data, retests included) across 2 model years (2020 to 2021), 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 96% from 1,615 tests. The 2020 model has the lowest at 94%. With just a 2 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 (2020) averages 27,595 miles, while the newest (2021) averages 22,506 miles.
Compared to the Mazda brand average of 81%, the CX-30 GT Sport MHEV performs 14 points better, making it one of the more reliable options in the Mazda range.
Estimated Running Costs
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 detailsHow reliable is the Mazda CX-30 GT Sport MHEV?
Mazda CX-30 GT Sport MHEV by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the Mazda CX-30 GT Sport MHEV
Is the Mazda CX-30 GT Sport MHEV reliable?
Across its 2 model years in our data (2020 to 2021), the Mazda CX-30 GT Sport MHEV averages a 95% MOT pass rate, from 3,208 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 96%.
Which year Mazda CX-30 GT Sport MHEV has the best MOT pass rate?
Of the years with at least 100 tests, the 2021 Mazda CX-30 GT Sport MHEV has the highest MOT pass rate at 96%, while the 2020 model has the lowest at 94%, a 2 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
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