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Porsche Cayenne car check

Find out if a Cayenne has outstanding finance, has been written off or stolen, how many owners it’s had, and which known problems apply to the generation you’re looking at.

Finance, stolen, write-off and owner history data provided by Experian. Results in under a minute.

Typical price
£36,947265 at dealers
MOT failure rate
15.3%93k tests
Known problems
10across 955 to 9Y0
Full report
£7.49one-off, no subscription

Which Cayenne are you looking at?

Each Cayenne generation has its own weak spots. Pick the one you’re viewing to see what to check.

  1. Plastic coolant pipe failure

    Safety risk 955, 957

    Hidden plastic coolant pipes located under the intake manifold on 4.5L and 4.8L V8 engines are prone to cracking and sudden failure without warning. These pipes carry pressurised coolant and their failure causes rapid coolant loss leading to catastrophic engine overheating within minutes. The pipes are virtually impossible to inspect without removing the intake manifold, making this a ticking time bomb on affected engines. Many specialists proactively replace these with upgraded aluminium pipes during other engine work.

    What to check: Check coolant reservoir level - it should be between minimum and maximum marks when cold. Any significant drop in coolant level without visible external leaks suggests internal pipe failure. Ask the seller specifically whether the plastic coolant pipes have been upgraded to aluminium versions and...

  2. Cylinder bore scoring

    Safety risk 955

    The 4.5L V8 engine suffers from cylinder bore scoring due to Nikasil bore coating breakdown and inadequate oil film retention. The Nikasil coating wears away exposing the aluminium cylinder walls to direct piston contact, causing permanent scoring and ridging. This is exacerbated by extended oil change intervals and low oil levels. Once scoring begins, it progresses rapidly requiring complete engine rebuild or replacement. The 4.8L V8 uses different bore coating technology and is largely unaffected by this specific issue.

    What to check: Pull the dipstick and check oil level - low oil accelerates bore wear. Examine the oil colour and consistency for any metallic particles or unusual thickness. Remove the oil filler cap and look down into the engine with a torch - excessive carbon build-up or visible scoring marks on cylinder wall...

  3. VarioCam bolt failure

    Safety risk 958

    The VarioCam variable valve timing system on the 4.8L V8 uses adjuster bolts that can fracture and drop into the timing chain area, causing catastrophic timing chain failure and valve-to-piston contact. This failure occurs without warning and destroys the engine beyond economical repair. Porsche issued a recall to replace the bolts with an improved design, but not all vehicles have had this work completed. The failure is most common between 40,000-100,000 miles and affects both banks of the V8 engine.

    What to check: Ask the seller specifically whether the VarioCam bolt recall has been completed and request documentation showing the recall work. Look for Porsche service stamps or invoices referencing the bolt replacement. Check the VIN against Porsche's recall database to confirm whether the vehicle was subje...

  4. Transfer case failure

    Wear item 955, 957, 958

    The transfer case distributes power between front and rear axles in the all-wheel drive system and is prone to internal bearing and gear wear leading to complete failure. Early symptoms include clunking during acceleration and deceleration, grinding noises, and vibration at speed. The transfer case shares oil with the transmission and contamination from either component can accelerate wear. Failure is progressive but can occur suddenly, leaving the vehicle with front-wheel drive only or completely immobilised. This issue affects all generations and continues into the 958 with similar failure patterns.

    What to check: Check underneath the vehicle for any oil leaks around the transfer case housing, located between the transmission and rear differential. Look for oil staining or wet patches on the ground. Ask about any recent clunking or grinding noises during driving, particularly during acceleration or when tu...

  5. Cylinder 6 manufacturing defect

    Engine damage risk 9Y0

    Some 4.0L V8 twin turbo engines suffer from a manufacturing defect specifically affecting cylinder 6, causing knocking, misfiring, and potential engine damage. The defect relates to cylinder machining tolerances or piston ring seating that creates uneven compression and combustion characteristics in this specific cylinder. Porsche has acknowledged the issue and issued recalls for affected vehicles. The problem typically manifests as persistent misfires on cylinder 6 that cannot be resolved through normal ignition system maintenance.

    What to check: Ask the seller whether the vehicle has been subject to any recalls related to cylinder 6 or engine misfires and request documentation of any recall work completed. Check the service history for any repeated work on ignition components or misfire-related repairs. Look for any engine warning lights...

  6. Turbo oil feed and return line leaks

    Engine damage risk 955, 957

    The 4.8L twin turbo V8 uses oil feed and return lines to supply lubrication to the turbochargers, and these lines are prone to deterioration and leaks with age and heat cycling. Oil feed line failure starves the turbocharger bearings of lubrication leading to rapid turbo failure, while return line leaks cause oil loss and potential fire risk from oil contacting hot exhaust components. The lines are located in a high-heat environment between the turbos and engine block, making them difficult to inspect without removing engine covers.

    What to check: Remove the engine cover and inspect around both turbochargers for signs of oil leakage, looking specifically for oil residue on the turbo housings and surrounding components. Check the oil level on the dipstick - repeated top-ups may indicate oil loss from turbo lines. Look underneath the vehicle...

  7. Air suspension compressor and airbag failure

    Wear item 955, 957, 958, 9Y0

    The air suspension system uses an electric compressor and air springs (airbags) at each corner to provide variable ride height and damping. The compressor is prone to failure from continuous cycling and moisture ingress, while the airbags develop leaks from age-related rubber deterioration and road debris damage. Failed airbags cause the vehicle to sit low on one or more corners, while compressor failure prevents the system from maintaining proper ride height. The system is complex and expensive to repair with interconnected components that can affect each other.

    What to check: Walk around the vehicle checking that all four corners are level and at the correct ride height. Look for any corner sitting noticeably lower than others which indicates airbag failure. Listen for the air compressor running - it should cycle briefly when the vehicle is started but should not run ...

  8. DPF and EGR failure

    Wear item 958

    The Audi-derived 3.0L V6 diesel engine suffers from diesel particulate filter (DPF) clogging and exhaust gas recirculation (EGR) valve failure, particularly on vehicles used for short journeys where the DPF cannot complete passive regeneration cycles. The EGR valve becomes clogged with carbon deposits and fails to operate correctly, while the DPF fills with soot that cannot be burnt off during normal driving. Both issues cause reduced power, rough running, and trigger engine management lights requiring expensive repairs or replacement.

    What to check: Check for any engine warning lights on the dashboard, particularly DPF or EGR-related warnings. Ask the seller about the vehicle's typical usage pattern - short journeys increase the likelihood of DPF problems. Check the exhaust tailpipe for excessive black soot deposits which indicate incomplete...

  9. Driveshaft centre support bearing failure

    Wear item 955, 957, 958

    The driveshaft connecting the transfer case to the rear differential uses a centre support bearing to support the long shaft span underneath the vehicle. This bearing is exposed to road conditions and prone to wear from moisture, road salt, and debris ingress. Bearing failure causes vibration through the floor at speed, rumbling noises from underneath, and clunking during acceleration and deceleration. The bearing is not serviceable separately and requires replacement of the complete driveshaft assembly.

    What to check: Check underneath the vehicle for the driveshaft centre support bearing mounting point, typically located midway along the propshaft. Look for obvious damage, corrosion, or oil leakage around the bearing housing. Ask about any vibration felt through the floor or seats during motorway driving, part...

  10. Timing chain cover and cam cover oil leaks

    Engine damage risk 958

    The 3.6L V6 engine is prone to oil leaks from the timing chain cover gasket and camshaft cover gaskets due to heat cycling and gasket material deterioration. These leaks typically start as minor seepage but progress to significant oil loss, creating mess and potential fire risk from oil contacting hot exhaust components. The timing chain cover leak is particularly problematic as it requires extensive dismantling to access, while cam cover leaks are more accessible but affect both banks of the V6 engine simultaneously.

    What to check: Remove the engine cover and inspect around the timing chain cover at the front of the engine for oil residue or wetness. Look particularly at the lower edge where oil typically accumulates. Check the camshaft covers on both sides of the V6 engine for oil seepage around the gasket edges. Look unde...

What Cayennes cost at dealers now

From 265 used Cayennes we track on UK dealer websites.

Typical asking price
£36,947
Typical mileage
61,837 miles
Price change vs last month
+5.9%

Cayenne MOT results

15.3%

of Cayenne MOT tests end in a fail, from 92,987 tests.

Most common reasons for failing

  1. Fluid leakSuspension
  2. Seat mounting faultSeatbelts & Airbags
  3. Parking brake inefficientBrakes

Check the Cayenne you’re buying

One report covers outstanding finance, write-offs, theft and previous owners from Experian, plus MOT history, mileage and the known problems for its generation.

Finance, stolen, write-off and owner history data provided by Experian.

What the check includes

Cayenne questions

Is the Porsche Cayenne reliable?

15.3% of Cayenne models fail their MOT based on 92,987 tests analysed. That’s about average for the class. There are 10 known problems to watch for, the most serious being plastic coolant pipe failure. A full history check shows whether a specific car has had related write-offs or insurance claims.

What are the main problems with a Porsche Cayenne?

The most serious known issues are plastic coolant pipe failure, cylinder bore scoring, variocam bolt failure. Problems vary by generation, so check which apply to the year you’re looking at. Our car check flags whether a specific Cayenne has been written off or had insurance claims linked to these faults.

How do I check if a Porsche Cayenne has outstanding finance?

Enter the registration on this page. We query Experian’s finance database and return any outstanding agreements within a minute. If finance is still owed, the finance company can legally repossess the car even after you’ve paid the seller. At £7.49 it’s the cheapest way to avoid a car that isn’t legally for sale.

How do I check if a Porsche Cayenne has been written off?

Our check queries Experian’s insurance write-off database for Cat A, B, S and N markers. A Cat S or N Cayenne has been structurally or non-structurally damaged and repaired. This doesn’t mean it’s unsafe, but it affects resale value and some insurers won’t cover it. The check costs £7.49.

Can I check a Porsche Cayenne for free?

You can check MOT history free on GOV.UK, which shows past test results and advisories. What it won’t show is outstanding finance, write-offs or theft markers, which are the things that actually cost you money after you’ve bought. Our full check adds all of that for £7.49, using Experian data.

Is a Porsche Cayenne HPI check worth it?

HPI is one brand of car check. Our check uses the same Experian data covering finance, stolen, write-off and keeper history, plus MOT analysis and known Cayenne faults that HPI doesn’t include. At £7.49 it’s typically less than half the price of an HPI check.

What does a Porsche Cayenne fail its MOT on?

The most common MOT failure on the Cayenne is fluid leak. 15.3% of Cayenne models fail overall, based on 92,987 tests. Checking a car’s full MOT history before buying shows you recurring problems the seller might not mention.

More on the Cayenne

Other Porsche car checks

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Finance, stolen, write-off and owner history data provided by Experian. MOT data from DVSA. Known problems from GetCarWise analysis. Updated October 2026.