Proton Gen-2
Reliability, running costs, and MOT data across 8 years from 1,027 real MOT tests.
Avg Pass Rate
66%
Total Tests
1,027
Best Year
2010 (76%)
Years Covered
8
How reliable is the Proton Gen-2?
Proton Gen-2 by Year
Checking a specific Proton Gen-2?
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About the Proton Gen-2
The Proton Gen-2 has been tested 1,027 times in 2024 MOT data across 8 model years (2005 to 2012), with an average pass rate of 66%. That's 16 points below the national average of 82%, so check the year-by-year data carefully before buying. Available as petrol and LP.
Best and Worst Years
The 2010 model is the most reliable with a 76% pass rate from 174 tests. The 2012 model has the lowest at 58%. With a 18 point spread, choosing the right year makes a big difference to reliability.
Reliability Trend
Newer PROTON GEN-2s show better MOT pass rates than older ones, with an average improvement of 4 percentage points.
Mileage Across Years
The oldest model in our data (2005) averages 69,422 miles, while the newest (2012) averages 71,891 miles.
Compared to the Proton brand average of 70%, the Gen-2 is 4 points lower, placing it among the less reliable Proton models.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.