Used car guide

2007 Citroen C5 diesel: common problems and MOT failures

What MOT testers find on the diesel Citroen C5 first registered in 2007 (diesel cars only): we looked at the 1,218 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

1,218MOTs of 2007 diesel cars, done in 2023–2025
55%pass first time (all 2007 cars: 57%)
7,000typical miles a year
2.2×the usual rate for sidelights

What goes wrong more than usual on a 2007 Citroen C5 diesel?

Parts flagged at MOT more often on the 2007 Citroen C5 diesel than on all cars registered in 2007.

  • Sidelights2.2× usual
    Citroen C5
    16% All 2007 cars
    7.3%

    Failed outright at MOT: 14.8%, against 6.4% of all 2007 cars. The rest were advisories or minor defects.

    Rough price £10–£80 our estimate

    At the viewing: Ask a friend to check every light while you work the switches: indicators, brake lights, fog lights and reversing lights.

  • Ball joint1.9× usual
    Citroen C5
    11.6% All 2007 cars
    6.2%

    Failed outright at MOT: 5.5%, against 3.1% of all 2007 cars. The rest were advisories or minor defects.

    Rough price £60–£150 (one joint) ClickMechanic

    At the viewing: Listen for knocking over bumps and check the rubber boots behind the wheels aren't split.

  • Anti-roll bar link joints2.1× usual
    Citroen C5
    9.1% All 2007 cars
    4.3%

    Failed outright at MOT: 3.2%, against 1.6% of all 2007 cars. The rest were advisories or minor defects.

    Rough price £60–£150 (one joint) ClickMechanic

    At the viewing: Listen for knocking over bumps and check the rubber boots behind the wheels aren't split.

  • Air/gas/fluid suspension: pipesnull× usual
    Citroen C5
    3.6% All 2007 cars
    0%

    Failed outright at MOT: 2.6%, against 0% of all 2007 cars. The rest were advisories or minor defects.

    Rough price £100–£400 our estimate

    At the viewing: Ask to see underneath, or check the MOT advisories: corroded brake or fuel pipes get worse every year and fail the MOT when they do.

Better than most

Rigid brake pipes: 4.1% here, against 10.9% of all 2007 cars. Headlights: 5.5% here, against 11.3% of all 2007 cars.

Common 2007 Citroen C5 diesel MOT failures and advisories

The share of 2007 Citroen C5 diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Suspension
    44% 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.

  • Brakes
    39% 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 electrics
    35% of testsRough price £10–£80

    At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.

  • Tyres
    33% 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.

  • Oil and fluid leaks
    22% 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.

  • Driveshafts and joints
    12% of testsRough price £60–£350

    At the viewing: On full steering lock, drive slowly and listen for clicking from the front wheels.

Questions to ask the seller before buying a 2007 Citroen C5 diesel

Ask before you travel to see it. A seller who knows the car will have answers, and receipts.

  1. Any recent work on the sidelights? (Flagged at MOT 2.2× as often on the 2007 Citroen C5 diesel as on other cars the same age.)
  2. Any recent work on the ball joint? (Flagged at MOT 1.9× as often on the 2007 Citroen C5 diesel as on other cars the same age.)
  3. Any recent work on the anti-roll bar link joints? (Flagged at MOT 2.1× as often on the 2007 Citroen C5 diesel as on other cars the same age.)
  4. Can I see the service history and receipts for any big jobs?

Looking at a Citroen C5?

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 C5 compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
2023–Too new for MOT data
2022242Tyres 21%
20211,959Tyres 28%
202015,367Tyres 29%
201919,556Tyres 29%
2018–Too few tests
2016304Tyres 23%
2015556Tyres 26%
2014695Suspension 28%
20131,051Tyres 29%
20121,090Suspension 39%
20111,727Suspension 39%
20103,535Suspension 41%
20095,321Suspension 42%
20083,583Suspension 44%
20061,298Brakes 41%
2005903Brakes 42%
20041,112Lights and electrics 42%
2003951Brakes 46%
2002726Brakes 42%
2001283Suspension 39%

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 C5 cars first registered in 2007. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score