MAZDA CX-30 GT SPORT TECH MHEV (2021)
Running costs, common problems, and reliability data based on 1,031 real MOT tests in 2024.
MOT Pass Rate
95%
Total Tests (2024)
1,031
Avg Mileage
21,897 mi
Est. Annual Cost
£1,772
Is the 2021 MAZDA CX-30 GT SPORT TECH MHEV reliable?
Excellent reliability. Very few MOT failures. That's 13 points above the national average of 82%. It also outperforms the MAZDA brand average of 81%.
At 3 years old, 95% of MAZDA CX-30 GT SPORT TECH MHEVs from 2021 passed their MOT first time in 2024. That's based on 1,031 tests across the UK. The average mileage at this age is 21,897 miles.
How does the 2021 MAZDA CX-30 GT SPORT TECH MHEV compare?
Mileage Analysis
The average 2021 MAZDA CX-30 GT SPORT TECH MHEV has 21,897 miles on the clock, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.
Best year to buy a MAZDA CX-30 GT SPORT TECH MHEV?
The most reliable year is the 2022 model with a 98% MOT pass rate, while the 2019 model has the lowest at 91%. The 2021 sits between the two at 95%.
How much does a 2021 MAZDA CX-30 GT SPORT TECH MHEV cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
MAZDA CX-30 GT SPORT TECH MHEV by Year
Checking a specific MAZDA CX-30 GT SPORT TECH MHEV?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 MAZDA CX-30 GT SPORT TECH MHEV
The 2021 MAZDA CX-30 GT SPORT TECH MHEV is a family car with a 1998cc petrol engine. 1,031 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. It ranks in the top 24% of all 2021 cars for reliability.
With an average of 21,897 miles at 3 years old, MAZDA CX-30 GT SPORT TECH MHEV owners drive about as much as the UK average.
2021 MAZDA CX-30 GT SPORT TECH MHEV Fuel Costs
The 1998cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2021 MAZDA CX-30 GT SPORT TECH MHEV?
Total estimated annual running cost is £1,772 (£148/month), broken down as £1327 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 95% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
MAZDA CX-30 GT SPORT TECH MHEV Reliability Trend
Newer MAZDA CX-30 GT SPORT TECH MHEVs show better MOT pass rates than older ones, with an average improvement of 4 percentage points.
Buying a Used 2021 MAZDA CX-30 GT SPORT TECH MHEV
At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet. If you're flexible on year, the 2022 model has the highest pass rate at 98%.
Alternatives to the 2021 MAZDA CX-30 GT SPORT TECH MHEV
The MAZDA CX-30 GT SPORT TECH MHEV is actually the most reliable option among similar petrol family cars from this era. Here are comparable petrol cars with similar engines:
- VOLKSWAGEN GOLF (2019) 92% pass rate (-3%) from 89,653 tests
- NISSAN QASHQAI (2020) 93% pass rate (-2%) from 52,321 tests
- MINI COOPER (2019) 92% pass rate (-3%) from 52,140 tests
- HYUNDAI TUCSON (2019) 90% pass rate (-5%) from 42,920 tests