Mazda 3 Sport MHEV

Reliability, estimated running costs, and MOT data across 3 model years from 140 MOT tests in 2024.

Avg Pass Rate

92%

Total Tests

140

Model Years

2019 to 2021

Years Covered

About the Mazda 3 Sport MHEV

The Mazda 3 Sport MHEV was MOT tested 140 times in 2024 (DVSA data, retests included) across 3 model years (2019 to 2021), with an average pass rate of 92%. That's comfortably above the average of 82% across all models in our data. Our records list petrol versions.

Mileage Across Years

The oldest model in our data (2019) averages 48,558 miles, while the newest (2021) averages 24,341 miles.

Compared to the Mazda brand average of 81%, the 3 Sport MHEV performs 11 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 3 Sport MHEV?

vs average of all models+10% (82% avg)

vs Mazda brand average+11% (81% avg)

Mazda 3 Sport MHEV by Year

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

Year	Pass Rate	Tests	Avg Mileage
2021	91%	44	24,341 mi
2020	89%	56	30,170 mi
2019	95%	40	48,558 mi

Questions about the Mazda 3 Sport MHEV

Is the Mazda 3 Sport MHEV reliable?

Across its 3 model years in our data (2019 to 2021), the Mazda 3 Sport MHEV averages a 92% MOT pass rate, from 140 tests (DVSA MOT data for tests in 2024, retests included). That's 10 points above the average of 82% across all models in the same data.