Mazda Cx-3
Reliability, running costs, and MOT data across 6 years from 41,050 real MOT tests.
Avg Pass Rate
88%
Total Tests
41,050
Best Year
2019 (93%)
Years Covered
6
How reliable is the Mazda Cx-3?
Mazda Cx-3 by Year
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About the Mazda Cx-3
The Mazda Cx-3 has been tested 41,050 times in 2024 MOT data across 6 model years (2015 to 2020), with an average pass rate of 88%. That's comfortably above the national average of 82%, making it a reliable choice. Available as diesel and petrol.
Best and Worst Years
The 2019 model is the most reliable with a 93% pass rate from 11,421 tests. The 2020 model has the lowest at 83%. The 10 point spread between years means reliability varies somewhat, but no year is dramatically different.
Reliability Trend
Newer MAZDA CX-3s show better MOT pass rates than older ones, with an average improvement of 6 percentage points.
Mileage Across Years
The oldest model in our data (2015) averages 61,842 miles, while the newest (2020) averages 25,685 miles.
Compared to the Mazda brand average of 81%, the Cx-3 performs 7 points better, making it one of the more reliable options in the Mazda range.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.