Mg 6
Reliability, running costs, and MOT data across 6 years from 3,526 real MOT tests.
Avg Pass Rate
74%
Total Tests
3,526
Best Year
2016 (81%)
Years Covered
6
How reliable is the Mg 6?
Mg 6 by Year
Checking a specific Mg 6?
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About the Mg 6
The Mg 6 has been tested 3,526 times in 2024 MOT data across 6 model years (2011 to 2016), with an average pass rate of 74%. That's 8 points below the national average of 82%, so check the year-by-year data carefully before buying. Available as petrol and diesel.
Best and Worst Years
The 2016 model is the most reliable with a 81% pass rate from 562 tests. The 2012 model has the lowest at 71%. The 10 point spread between years means reliability varies somewhat, but no year is dramatically different.
Reliability Trend
Newer MG 6s 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 (2011) averages 76,841 miles, while the newest (2016) averages 63,832 miles.
Compared to the Mg brand average of 86%, the 6 is 12 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.