Infiniti Ex
Reliability, running costs, and MOT data across 3 years from 237 real MOT tests.
Avg Pass Rate
80%
Total Tests
237
Best Year
2012 (82%)
Years Covered
3
How reliable is the Infiniti Ex?
Infiniti Ex by Year
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About the Infiniti Ex
The Infiniti Ex has been tested 237 times in 2024 MOT data across 3 model years (2010 to 2012), with an average pass rate of 80%. That's close to the national average of 82%. Available as diesel.
Best and Worst Years
The 2012 model is the most reliable with a 82% pass rate from 61 tests. The 2010 model has the lowest at 78%. With just a 4 point spread, the Ex is consistently reliable regardless of year.
Reliability Trend
The INFINITI EX has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.
Mileage Across Years
The oldest model in our data (2010) averages 102,491 miles, while the newest (2012) averages 90,539 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.
Compared to the Infiniti brand average of 87%, the Ex is 7 points lower, placing it among the less reliable Infiniti models.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.