CarCostCheck

Citroen C6

Reliability, estimated running costs, and MOT data across 5 model years from 625 MOT tests in 2024.

Avg Pass Rate

80%

Total Tests

625

Highest Pass Rate

2009 (84%)

Years Covered

5

About the Citroen C6

The Citroen C6 was MOT tested 625 times in 2024 (DVSA data, retests included) across 5 model years (2006 to 2010), with an average pass rate of 80%. That's close to the average of 82% across all models in our data. Our records list diesel versions.

Best and Worst Years

Of the years with at least 100 tests, the 2009 model has the highest pass rate at 84% from 111 tests. The 2008 model has the lowest at 73%. The 11 point gap means pass rates vary somewhat between years, but no year is dramatically different. Newer cars usually pass more often simply because they are younger.

Reliability Trend

The Citroen C6 has maintained consistent MOT pass rates across model years, varying by only 2 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.

Estimated Running Costs

Fuel (Diesel, 2720cc)
£1,676
Road Tax
£410
MOT Test
£55
Predicted Repairs
£350
Total per year£2,491
Per month£208/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2010 details

How reliable is the Citroen C6?

vs average of all models-2% (82% avg)
vs Citroen brand average+1% (79% avg)
Best to worst year spread11 percentage points
Reliability trendStable over years

Citroen C6 by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

YearPass RateTestsAvg Mileage
201084%5896,606 mi
200984%111104,417 mi
200873%132105,359 mi
200779%218112,585 mi
200682%106115,367 mi

Questions about the Citroen C6

Is the Citroen C6 reliable?

Across its 5 model years in our data (2006 to 2010), the Citroen C6 averages an 80% MOT pass rate, from 625 tests (DVSA MOT data for tests in 2024, retests included). That's 2 points below the average of 82% across all models in the same data. The 2009 model has the highest pass rate of the years with at least 100 tests, at 84%.

Which year Citroen C6 has the best MOT pass rate?

Of the years with at least 100 tests, the 2009 Citroen C6 has the highest MOT pass rate at 84%, while the 2008 model has the lowest at 73%, a 11 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Are newer Citroen C6s more reliable?

The Citroen C6 has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.

Citroen C6 Guides & Articles

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