Used car guide

2010 Peugeot 308 diesel: common problems and MOT failures

What MOT testers find on the diesel Peugeot 308 first registered in 2010 (diesel cars only): we looked at the 22,257 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

22,257MOTs of 2010 diesel cars, done in 2023–2025
52%pass first time (all 2010 cars: 60%)
7,800typical miles a year
2.1×the usual rate for engine oil leaks

What goes wrong more than usual on a 2010 Peugeot 308 diesel?

Parts flagged at MOT more often on the 2010 Peugeot 308 diesel than on all cars registered in 2010.

  • Engine oil leaks2.1× usual
    Peugeot 308
    18.3% All 2010 cars
    8.7%

    Failed outright at MOT: 0.4%, against 0.2% of all 2010 cars. The rest were advisories or minor defects.

    Rough price £80–£600 our estimate

    At the viewing: Look under the engine and where the car is usually parked for fresh oil. Ask whether the leak has been looked at.

  • Brake discs1.6× usual
    Peugeot 308
    22.5% All 2010 cars
    14.3%

    Failed outright at MOT: 2%, against 1.2% of all 2010 cars. The rest were advisories or minor defects.

    Rough price £150–£350 our estimate

    At the viewing: Look through the wheel at the brake disc: a deep lip at the edge or heavy scoring means they're worn. Feel for judder when braking.

  • Number plate lights1.7× usual
    Peugeot 308
    14.3% All 2010 cars
    8.4%

    Failed outright at MOT: 4%, against 2.4% of all 2010 cars. The rest were advisories or minor defects.

    Rough price £5–£40 our estimate

    At the viewing: Check the number plate lights work and the plates are clean and legal.

  • Braking performance1.9× usual
    Peugeot 308
    11.5% All 2010 cars
    6%

    Failed outright at MOT: 3.9%, against 2.4% of all 2010 cars. The rest were advisories or minor defects.

    Rough price £100–£350 our estimate

    At the viewing: On a quiet road, brake firmly from about 30mph. The car should stop straight without pulling.

  • Headlights1.9× usual
    Peugeot 308
    11.1% All 2010 cars
    5.7%

    Failed outright at MOT: 6.3%, against 3.4% of all 2010 cars. The rest were advisories or minor defects.

    Rough price £40–£400 our estimate

    At the viewing: Check both headlights on dipped and full beam, and look for cloudy or cracked lenses.

Better than most

Rigid brake pipes: 1% here, against 6.5% of all 2010 cars. Exhaust system: 1.6% here, against 7% of all 2010 cars.

Common 2010 Peugeot 308 diesel MOT failures and advisories

The share of 2010 Peugeot 308 diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Suspension
    43% 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.

  • Lights and electrics
    40% 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
    39% 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.

  • Brakes
    38% 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.

  • Oil and fluid leaks
    19% 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.

  • Wipers, windscreen and mirrors
    10% of testsRough price £15–£250

    At the viewing: Check for chips in the driver's view, and test the wipers and washers.

Known faults on the 2010 Peugeot 308 diesel

Reported by owners, mechanics and buying guides for this model and age. Check which engine the car has, as some apply to one engine only.

Questions to ask the seller before buying a 2010 Peugeot 308 diesel

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

  1. Has the DPF had any work?
  2. Any recent work on the engine oil leaks? (Flagged at MOT 2.1× as often on the 2010 Peugeot 308 diesel as on other cars the same age.)
  3. Any recent work on the brake discs? (Flagged at MOT 1.6× as often on the 2010 Peugeot 308 diesel as on other cars the same age.)
  4. Any recent work on the number plate lights? (Flagged at MOT 1.7× as often on the 2010 Peugeot 308 diesel as on other cars the same age.)
  5. Can I see the service history and receipts for any big jobs?

Looking at a Peugeot 308?

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 Peugeot 308 compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
2023198Tyres 13%
20223,930Tyres 28%
20213,259Tyres 21%
202011,235Tyres 25%
201921,284Tyres 30%
201825,239Tyres 30%
201727,414Tyres 31%
201643,573Tyres 32%
201541,816Tyres 34%
201436,050Tyres 36%
201330,664Tyres 36%
201229,841Tyres 37%
201128,187Suspension 37%
200933,439Suspension 42%
200823,964Suspension 45%
20072,653Suspension 51%

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Peugeot 308 cars first registered in 2010. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score