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
About the Mazda Cx-3
The Mazda Cx-3 has been tested 41,050 times in 2026 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.
Estimated Running Costs
Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.
Full 2020 detailsHow reliable is the Mazda Cx-3?
Mazda Cx-3 by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
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