Mg Zt
Reliability, running costs, and MOT data across 7 years from 2,635 real MOT tests.
Avg Pass Rate
76%
Total Tests
2,635
Best Year
2004 (81%)
Years Covered
7
How reliable is the Mg Zt?
Mg Zt by Year
Checking a specific Mg Zt?
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About the Mg Zt
The Mg Zt has been tested 2,635 times in 2024 MOT data across 7 model years (2001 to 2007), 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 diesel and petrol.
Best and Worst Years
The 2004 model is the most reliable with a 81% pass rate from 974 tests. The 2006 model has the lowest at 71%. The 10 point spread between years means reliability varies somewhat, but no year is dramatically different.
Reliability Trend
The MG ZT has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.
Mileage Across Years
The oldest model in our data (2001) averages 100,291 miles, while the newest (2007) averages 74,913 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.
Compared to the Mg brand average of 86%, the Zt is 10 points lower, placing it among the less reliable Mg models.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.