Mazda Demio
Reliability, running costs, and MOT data across 8 years from 1,154 real MOT tests.
Avg Pass Rate
76%
Total Tests
1,154
Best Year
2013 (97%)
Years Covered
8
How reliable is the Mazda Demio?
Mazda Demio by Year
Checking a specific Mazda Demio?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the Mazda Demio
The Mazda Demio has been tested 1,154 times in 2024 MOT data across 8 model years (1998 to 2013), with an average pass rate of 76%. That's 6 points below the national average of 82%, so check the year-by-year data carefully before buying. Available as petrol.
Best and Worst Years
The 2013 model is the most reliable with a 97% pass rate from 31 tests. The 2003 model has the lowest at 69%. With a 28 point spread, choosing the right year makes a big difference to reliability.
Reliability Trend
The MAZDA DEMIO has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.
Mileage Across Years
The oldest model in our data (1998) averages 75,081 miles, while the newest (2013) averages 46,564 miles.
Compared to the Mazda brand average of 81%, the Demio is 5 points lower, placing it among the less reliable Mazda models.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.