MAZDA 3 SPORT MHEV (2021)
Running costs, common problems, and reliability data based on 44 real MOT tests in 2024.
MOT Pass Rate
91%
Total Tests (2024)
44
Avg Mileage
24,341 mi
Est. Annual Cost
£1,772
Is the 2021 MAZDA 3 SPORT MHEV reliable?
Excellent reliability. Very few MOT failures. That's 9 points above the national average of 82%. It also outperforms the MAZDA brand average of 81%.
At 3 years old, 91% of MAZDA 3 SPORT MHEVs from 2021 passed their MOT first time in 2024. That's based on 44 tests across the UK. The average mileage at this age is 24,341 miles.
How does the 2021 MAZDA 3 SPORT MHEV compare?
Mileage Analysis
The average 2021 MAZDA 3 SPORT MHEV has 24,341 miles on the clock, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.
How much does a 2021 MAZDA 3 SPORT 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 3 SPORT MHEV by Year
Checking a specific MAZDA 3 SPORT MHEV?
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About the 2021 MAZDA 3 SPORT MHEV
The 2021 MAZDA 3 SPORT MHEV is a family car with a 1998cc petrol engine. 44 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 24,341 miles at 3 years old, MAZDA 3 SPORT MHEV owners drive about as much as the UK average.
2021 MAZDA 3 SPORT 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 3 SPORT 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 91% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 MAZDA 3 SPORT 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. Note: with only 44 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2021 MAZDA 3 SPORT MHEV
If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- VOLKSWAGEN GOLF (2019) 92% pass rate (+1%) from 89,653 tests
- NISSAN QASHQAI (2020) 93% pass rate (+2%) from 52,321 tests
- MINI COOPER (2019) 92% pass rate (+1%) from 52,140 tests
- HYUNDAI TUCSON (2019) 90% pass rate (-1%) from 42,920 tests