Mazda 121
Reliability, estimated running costs, and MOT data across 2 model years from 69 MOT tests in 2024.
Avg Pass Rate
69%
Total Tests
69
Model Years
1997 to 1999
Years Covered
2
About the Mazda 121
The Mazda 121 was MOT tested 69 times in 2024 (DVSA data, retests included) across 2 model years (1997 to 1999), with an average pass rate of 69%. That's 13 points below the average of 82% across all models in our data, so check the year-by-year data carefully before buying. Our records list petrol versions.
Mileage Across Years
The oldest model in our data (1997) averages 50,567 miles, while the newest (1999) averages 62,018 miles.
Compared to the Mazda brand average of 81%, the 121 is 12 points lower, placing it among the less reliable Mazda models.
Estimated Running Costs
Higher due to low pass rate
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 1999 detailsHow reliable is the Mazda 121?
Mazda 121 by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the Mazda 121
Is the Mazda 121 reliable?
Across its 2 model years in our data (1997 to 1999), the Mazda 121 averages a 69% MOT pass rate, from 69 tests (DVSA MOT data for tests in 2024, retests included). That's 13 points below the average of 82% across all models in the same data.
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