Used car guide

2008 Porsche Cayenne: common problems and MOT failures

What MOT testers find on the Porsche Cayenne first registered in 2008: we looked at the 1,773 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

1,773MOTs of 2008 cars, done in 2023–2025
76%pass first time (all 2008 cars: 57%)
6,600typical miles a year
25%had tyres flagged

Common 2008 Porsche Cayenne MOT failures and advisories

The share of 2008 Porsche Cayenne MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    25% 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.

  • Lights and electrics
    24% of testsRough price £10–£80

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

  • Brakes
    20% 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.

  • Suspension
    19% 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.

  • Wipers, windscreen and mirrors
    6% of testsRough price £15–£250

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

  • Oil and fluid leaks
    5% 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 Porsche Cayenne

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

  1. Can I see the service history and receipts for any big jobs?

Looking at a Porsche Cayenne?

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 Porsche Cayenne compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
2023130Tyres 13%
20222,491Tyres 19%
20213,122Tyres 21%
20207,140Tyres 21%
20199,556Tyres 21%
20185,477Tyres 22%
20175,377Tyres 24%
20168,347Tyres 23%
20157,071Tyres 23%
20145,650Tyres 23%
20136,494Tyres 24%
20125,830Tyres 25%
20113,676Tyres 25%
20102,668Tyres 24%
20092,471Tyres 26%
20072,115Lights and electrics 30%
20062,699Lights and electrics 27%
20053,901Lights and electrics 30%
20043,236Lights and electrics 33%
20031,570Lights and electrics 31%

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Porsche Cayenne cars first registered in 2008. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score