2007 Peugeot 407 diesel: common problems and MOT failures
What MOT testers find on the diesel Peugeot 407 first registered in 2007 (diesel cars only): we looked at the 5,037 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
What goes wrong more than usual on a 2007 Peugeot 407 diesel?
Parts flagged at MOT more often on the 2007 Peugeot 407 diesel than on all cars registered in 2007.
- Drive shaft (CV) joints2.9× usualPeugeot 40719.8% All 2007 cars6.8%
Failed outright at MOT: 11.9%, against 3.1% of all 2007 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 discs1.8× usualPeugeot 40726.3% All 2007 cars14.6%
Failed outright at MOT: 2.7%, against 1.2% of all 2007 cars. The rest were advisories or minor defects.
Rough price £150–£350 our estimateAt 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.
- Engine oil leaks1.8× usualPeugeot 40721.4% All 2007 cars12.1%
Failed outright at MOT: 0.3%, against 0.4% of all 2007 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.
- Anti-lock braking system8.2× usualPeugeot 4079% All 2007 cars1.1%
Failed outright at MOT: 9%, against 1.1% of all 2007 cars. The rest were advisories or minor defects.
Rough price £100–£350 our estimateAt the viewing: On a quiet road, brake firmly from about 30mph. The car should stop straight without pulling.
- Anti-roll bar link joints2.7× usualPeugeot 40711.7% All 2007 cars4.3%
Failed outright at MOT: 2.4%, against 1.6% of all 2007 cars. The rest were advisories or minor defects.
Rough price £60–£150 (one joint) ClickMechanicAt the viewing: Listen for knocking over bumps and check the rubber boots behind the wheels aren't split.
Rigid brake pipes: 1.6% here, against 10.9% of all 2007 cars. Exhaust system: 1% here, against 8.8% of all 2007 cars.
Common 2007 Peugeot 407 diesel MOT failures and advisories
The share of 2007 Peugeot 407 diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- 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.
- Suspension41% 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.
- Brakes41% 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.
- Tyres39% 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 leaks22% 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 joints20% 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 Peugeot 407 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 2.9× as often on the 2007 Peugeot 407 diesel as on other cars the same age.)
- Any recent work on the brake discs? (Flagged at MOT 1.8× as often on the 2007 Peugeot 407 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 2007 Peugeot 407 diesel as on other cars the same age.)
- Can I see the service history and receipts for any big jobs?
Looking at a Peugeot 407?
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 407 compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2011 | 592 | Tyres 38% |
| 2010 | 3,382 | Suspension 38% |
| 2009 | 3,740 | Suspension 40% |
| 2008 | 3,534 | Lights and electrics 40% |
| 2006 | 5,559 | Suspension 44% |
| 2005 | 3,583 | Suspension 46% |
| 2004 | 1,014 | Suspension 49% |
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 407 cars first registered in 2007. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score