Is the Citroen C6 reliable?

The Citroen C6 has an average MOT pass rate of 80% across 5 years, based on 625 tests in 2026. That's 2 points below the national average of 82%. The most reliable year is 2009 with a 84% pass rate.

Which year Citroen C6 is best?

The 2009 Citroen C6 has the highest MOT pass rate at 84%, while the 2008 model has the lowest at 73%. There's a 11 percentage point spread between the best and worst years.

Citroen C6

Reliability, running costs, and MOT data across 5 years from 625 real MOT tests.

Avg Pass Rate

80%

Total Tests

625

Best Year

2009 (84%)

Years Covered

About the Citroen C6

The Citroen C6 has been tested 625 times in 2026 MOT data across 5 model years (2006 to 2010), with an average pass rate of 80%. That's close to the national average of 82%. Available as diesel.

Best and Worst Years

The 2009 model is the most reliable with a 84% pass rate from 111 tests. The 2008 model has the lowest at 73%. The 11 point spread between years means reliability varies somewhat, but no year is dramatically different.

Reliability Trend

The CITROEN C6 has maintained consistent MOT pass rates across model years, varying by only 0 percentage points.

Mileage Across Years

The oldest model in our data (2006) averages 115,367 miles, while the newest (2010) averages 96,606 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.