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2008 Porsche Cayenne problems

The most common problem on the 2008 Porsche Cayenne is electrical system, typically around 55,300 miles. Its complaint count is close to a typical Cayenne model year.

Typical yearClose to a typical year
Year score
74/100
Owner complaints
27
Recalls
3
Service bulletins
409
Worst area
Electrical
Fuel economy
13-16mpg

The worst 2008 Porsche Cayenne problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

  • Electrical
    7
  • Engine
    6
  • Transmission
    6
  • Fuel system
    4
  • Visibility
    3

Problems by type

Tap a problem to see which part fails, at what mileage and in which other years.

  • Electrical
    7
  • Engine
    6
  • Transmission
    6
  • Fuel system
    4
  • Visibility
    3
  • Lights
    2
  • Suspension
    2
  • Tires
    2
  • Body
    1
  • Brakes
    1
  • Driver assistance
    1
  • Seats
    1
  • Steering
    1

Recalls 3

Exterior lighting: headlightsReported August 30, 2022 · 222,858 vehicles affected
What is wrong
Porsche Cars North America, Inc. (Porsche) is recalling certain 2003-2020 Porsche Macan, Cayenne, Panamera, and Cayman S, 2001-2004 Boxster, Boxster S, 2004 Boxster 50 JAHRE SPYDER 550 vehicles. Please see the recall report for a complete list of all affected models and model years. The caps that cover the low-beam headlight horizontal adjustment screws are missing, which can allow the headlights to be improperly adjusted. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Risk
Improperly adjusted headlights may not illuminate the road properly, or cause a glare to oncoming drivers, which can increase the risk of a crash.
Remedy
Dealers will inspect the headlights for sealing caps and install missing caps as necessary, free of charge. Owner notification letters were mailed October 28, 2022. Owners may contact Porsche's customer service at 1‑800‑767‑7243. Porsche's number for this recall is ANB4.

Recall number 22V656000 · Recall details

Power train: automatic transmission: gear position indication (PRNDL)Reported June 12, 2019 · 99,665 vehicles affected
What is wrong
Porsche Cars North America, Inc. (Porsche) is recalling certain 2003-2006 Cayenne S, Cayenne Turbo, 2004-2010 Cayenne, 2006 Cayenne Turbo S, 2010-2016 Panamera S, Panamera 4 S, Panamera Turbo, 2011-2016 Panamera, Panamera 4, 2012-2013 Panamera Turbo S, 2013-2016 Panamera 4 GTS, 2014-2016 Panamera 4 S Executive, Panamera Turbo Executive, Panamera Turbo S G1 II, Panamera Turbo S Executive, 2013 Panamera 4 Platinum Edition, Panamera Platinum Edition, 2016 Panamera 4 Edition, Panamera Edition, Panamera Turbo S Executive Luxury Sports vehicles. The bushing that attaches the gear selector lever to the gearbox may degrade over time, causing the bushing to detach. This condition could allow the driver to move the shift lever to Park and remove the ignition key, while the transmission may not be in Park, with no warning message or audible chime.
Risk
If the vehicle is exited without the transmission being in Park and without the parking brake being applied, the vehicle may unexpectedly move, increasing the risk of a crash.
Remedy
Porsche will notify owners, and dealers will replace the shifter cable bushing, free of charge. Owners are instructed to use the parking brake until their vehicle is repaired. The recall began August 9, 2019. Owners may contact Porsche customer service at 1‑800‑767‑7243. Porsche's number for this recall is AKB1.

Recall number 19V446000 · Recall details

Fuel system, gasoline: delivery: hoses, lines/piping, and fittingsReported February 20, 2008 · 5,573 vehicles affected
What is wrong
Porsche is recalling 5,573 my 2008 cayenne v6 vehicles. A fuel line in the plenum panel area may contact the rear engine compartment cover. Relative movements of the engine while driving may cause knocking noises and chafing on the fuel line. A fuel leak may develop.
Risk
Fuel leakage in the presence of an ignition source could result in a fire.
Remedy
Dealers will reroute the fuel line and install an additional spacer ring free of charge. The recall began on february 15, 2008. Owners may contact porsche at 1‑800‑767‑7243.

Recall number 08V076000 · Recall details

See all 3 recalls for the 2008 Porsche Cayenne

Technical service bulletins for the 2008 Porsche Cayenne 409

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

See all 409 bulletins for the 2008 Porsche Cayenne

2008 Porsche Cayenne fuel economy

Official EPA estimates in miles per gallon (MPGe for electric). Ranges cover trims that share the same engine.

EngineDriveCityHighwayCombined
3.6L 6‑cyl4WD142016
4.8L 8‑cyl4WD11-1317-1913-15

What 2008 Porsche Cayenne owners say

Most recent owner complaints, unedited.

Filed Oct 14, 2025 · Transmission · CA

The contact owns a 2008 Porsche Cayenne. The contact received notification of the federal safety agency Campaign Number: 19V446000 (Power Train) and would like to be removed from the recall distribution list. The local dealer previously completed the recall remedy. The manufacturer was contacted, and the contact was sent confirmation of the VIN being clear of recalls. In addition, the contact stated that the VINTool shows 1 recall associated with the VIN however, per the federal safety agency VIN Tool shows no recalls associated with the VIN.

Filed Dec 6, 2022 · Transmission · 150,000 miles · CA

The contact owns a 2008 Porsche Cayenne. The contact stated while driving 50 MPH, the vehicle started wobbling with a loud sound coming from the vehicle. There was no warning light illuminated. The vehicle was taken to the dealer and the contact was informed that the driveshaft needed to be replaced. The vehicle was repaired, but the failure reoccurred several times. The manufacturer was contacted and stated that the vehicle was already repaired under warranty. No further assistance was provided. The failure mileage was 150,000.

Filed Feb 17, 2022 · Fuel system · 101,000 miles · CA

The contact owns a 2008 Porsche Cayenne. The contact stated while driving at various speeds, he smelled a strong gasoline odor inside the vehicle. The contact stated that others had also informed him that the vehicle had a strong gasoline odor. The contact stated that the gasoline odor was coming from the rear passenger's side and rear driver's side seats. The dealer was notified of the failure. The manufacturer was notified of the failure via email. The vehicle was not diagnosed or repaired. The failure mileage was approximately 101,000.

Filed Dec 20, 2020 · Fuel system · 119,000 miles · CA

Engine has cutoff on 3 occurrences: (1) operating the vehicle on the freeway at 70 MPH and experienced immediate loss of power. I was able to manuever the vehicle to the shoulder while coasting without engine power. I was able to start the engine but it cutoff a few seconds after. The vehicle had to be towed to an independent porsche repair shop where the high pressure fuel pump was replaced. (2) the engine cutoff while operating on city street at 40 MPH. I was able to manuever the vehicle while coasting without power or power steering into a parking lot. The engine would start but cutoff a few seconds later on multiple attempts. The vehicle has to be towed to the same independent porsche repair shop where the high pressure fuel sensor was replaced. This occurrence was the first time operating the vehicle after returning home from the high pressure fuel pump replacement service. (3) operating the vehicle while stopped at an intersection at a red light. When attempting to accelerate the engine cutoff and I was stalled for about 1 minute blocking traffic. I was able to restart the engine after a few attempts and drive the vehicle the remaining 2 miles home without incident. All 3 occurences involved abrupt engine cutoff and loss of power steering. The porsche independent repair shop is unable to pinpoint the issue. The risk exposure to accident is high when engine cutoff occurs while the vehicle is in motion.

Filed Oct 19, 2020 · Fuel system · 128,800 miles · TX

There is a strong odor of fuel coming from the driver's rear wheel well. A recall exists for 03-06 models, but my 08 is suffering the from the same issue.

Filed Oct 8, 2020 · Engine · 80,437 miles · TX

Coolant distributor barb came unglued causing loss of coolant on highway. Car was in motion on the highway. This is a common issue and porsche has updated the part however will not warranty the defective parts still on vehicles.

Filed Sep 3, 2020 · Engine · 89,500 miles · IL

Engine rough idling which dealer cannot diagnose

Filed Aug 20, 2020 · Body, Electrical · CA

Porsche cayenne have water drain design issue. When raining or wash the car, the water drain clog will make water flood the inside of the vehicles, and damage the wires under the driver's side and passenger side. This is a common issue, porsche know this, but not fix it.

Filed Mar 20, 2020 · Engine · 140,000 miles · AL

On the backside of this v8 engine there is a coolant distribution tube that has coolant barb pressed into the cast aluminum distribution tube with adhesive. While driving from wor to home, the adhesive failed 19mar20 causing the barb to slip out of the tube allowing large amounts of coolant to gush over the hot exhaust and out from under the cayenne. The engine control unit recognized low coolant level the dash panel flagged "low coolant" and the vehicle was pulled over before overheating the engine. Fortunately due to the teleworking status of where I work there was no traffic behind me and thankfully no motorcyclist. I would expect more a $71,145 vehicle from porsche even after 12 years and 140k mi.

Filed May 21, 2019 · Electrical, Engine · 55,300 miles · WA

Parked vehicle and attempted to turn off got a red alert steering faulty,everything locked up including transmission and window switches..had to be flat bedded to a porsche dealership took a week for them to figure out,had to replace steering column.concern is what would have happened if driving at the time..got no answer

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Questions about the 2008 Porsche Cayenne

Is the 2008 Porsche Cayenne reliable?

Owners have filed 27 complaints about the 2008 Porsche Cayenne, close to a typical Cayenne model year.

What is the 2008 Porsche Cayenne year score?

The 2008 Porsche Cayenne scores 74 out of 100 (average). The score compares it with the other model years of the Porsche Cayenne: 75 is a typical year, 50 means twice the usual complaints, and serious complaints and recalls lower it.

What is the most common problem with the 2008 Porsche Cayenne?

Electrical system, with 7 complaints, typically around 55,300 miles. Next is engine (6).

How many recalls does the 2008 Porsche Cayenne have?

3 recalls, covering exterior lighting, power train and fuel system, gasoline.

What gas mileage does the 2008 Porsche Cayenne get?

Official estimates for the 2008 Porsche Cayenne range from 13 to 16 mpg combined. The most efficient version (3.6L 6-cyl, 4WD) gets 14 city and 20 highway.

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