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Transmission and drivetrainPart report

2008 Porsche Cayenne S Transmission and drivetrain Problems

Complaints
1about this part
Share
20%of 5 total for the year
Median mileage
10,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the transmission and drivetrain of the 2008 Porsche Cayenne S, 20% of the 5 complaints for this model year. Where a mileage was given, the median is 10,000 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“On my 2008 Porsche Cayenne S ( purchased in march 2007) I have at least 3 times experienced a incorrect downshift initiated by the automobile in all cases the car/computer obviously wanted to shift down to a lower gear ( going up a steep hill at highway speed, traversing a steep parking lot at low speed) etc rather than shifting one gear the car seems to have shifted 2 or 3 gears at one time the engine revved to about 5000 RPM within the red line limits- very noisy and disconcerting I exited the problem by manually shifting to neutral which cleared the problem then back to drive I reported…”

NHTSA complaint #10313724, filed 2010-02, 10,000 miles

Related service bulletins

Transmission and drivetrain: other model years

YearComplaintsShare of year
2012583%
2011318%
2008120%
2006215%
20041429%

Other parts of the 2008 Porsche Cayenne S

Engine
4 complaints
Fuel system
1 complaints

← All problems reported for the 2008 Porsche Cayenne S

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology