2008 Citroen C8 diesel: common problems and MOT failures
What MOT testers find on the diesel Citroen C8 first registered in 2008 (diesel cars only): we looked at the 460 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
Small sample: there were only 460 MOTs of these cars during 2023–2025, so treat the percentages as rough. The known faults below don't depend on it.
What goes wrong more than usual on a 2008 Citroen C8 diesel?
Parts flagged at MOT more often on the 2008 Citroen C8 diesel than on all cars registered in 2008.
- Drive shaft (CV) joints3.8× usualCitroen C825.2% All 2008 cars6.6%
Failed outright at MOT: 12.2%, against 3% of all 2008 cars. The rest were advisories or minor defects.
Rough price £60–£350 our estimateAt the viewing: Drive slowly on full steering lock in both directions and listen for clicking. Look for split rubber boots behind the front wheels.
- Brake lights2.7× usualCitroen C814.8% All 2008 cars5.5%
Failed outright at MOT: 11.7%, against 4.5% of all 2008 cars. The rest were advisories or minor defects.
Rough price £10–£80 our estimateAt the viewing: Ask a friend to check every light while you work the switches: indicators, brake lights, fog lights and reversing lights.
- Engine oil leaks1.8× usualCitroen C820.4% All 2008 cars11.2%
Failed outright at MOT: 0.2%, against 0.3% of all 2008 cars. The rest were advisories or minor defects.
Rough price £80–£600 our estimateAt the viewing: Look under the engine and where the car is usually parked for fresh oil. Ask whether the leak has been looked at.
- Exhaust system1.9× usualCitroen C816.5% All 2008 cars8.6%
Failed outright at MOT: 6.1%, against 2.4% of all 2008 cars. The rest were advisories or minor defects.
Rough price £100–£500 (pipe or section) ClickMechanicAt the viewing: Listen for blowing or rattling from underneath at idle, and look for black soot around joints.
Common 2008 Citroen C8 diesel MOT failures and advisories
The share of 2008 Citroen C8 diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Suspension45% of testsRough price £120–£400
At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.
- Brakes45% of testsRough price £150–£350
At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.
- Lights and electrics42% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Tyres37% of testsRough price £70–£150
At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.
- Driveshafts and joints26% of testsRough price £60–£350
At the viewing: On full steering lock, drive slowly and listen for clicking from the front wheels.
- Oil and fluid leaks21% of testsRough price £80–£600
At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.
Questions to ask the seller before buying a 2008 Citroen C8 diesel
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Any recent work on the drive shaft (cv) joints? (Flagged at MOT 3.8× as often on the 2008 Citroen C8 diesel as on other cars the same age.)
- Any recent work on the brake lights? (Flagged at MOT 2.7× as often on the 2008 Citroen C8 diesel as on other cars the same age.)
- Any recent work on the engine oil leaks? (Flagged at MOT 1.8× as often on the 2008 Citroen C8 diesel as on other cars the same age.)
- Can I see the service history and receipts for any big jobs?
Looking at a Citroen C8?
Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.
Other years
Every year of the Citroen C8 compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2010 | 112 | Suspension 47% |
| 2009 | 403 | Brakes 45% |
| 2007 | 708 | Suspension 50% |
| 2006 | 488 | Suspension 49% |
| 2005 | 409 | Brakes 48% |
| 2004 | 219 | Suspension 52% |
| 2003 | 113 | Suspension 46% |
Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Citroen C8 cars first registered in 2008. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score