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Porsche Cayenne TurboModel year report

2008 Porsche Cayenne Turbo Problems

Complaints
7filed with NHTSA
Median mileage
61,093miles, 7 complaints with mileage
Recalls
1campaigns on record
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA crash rating
—overall rating starts with 2011 models
EPA fuel economy
14 mpgcombined, 4.8L 8-cyl 4WD/AWD · 12 city / 19 hwy

Sources: NHTSA records for the 2008 Porsche Cayenne Turbo (complaints, recalls, investigations), EPA fuel economy. Report an error

NHTSA recorded 7 consumer complaints for the 2008 Porsche Cayenne Turbo. The part named most often is engine, with 7 complaints (100% of the total), followed by transmission and drivetrain (1). 7 of the complaints include a mileage, and 43% of those were filed for vehicles with under 50,000 miles; the median is 61,093 miles. NHTSA lists 1 recall campaign and 374 technical service bulletins for this model year. Engine complaints overlap with 54 technical service bulletins filed under the same part. Transmission and drivetrain complaints overlap with 14 technical service bulletins filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Example complaints

Engine: “I purchased my 2008 Porsche Cayenne Turbo as a second owner but before the purchase was completed the coolant hose rupture failure occurred. The repair was at a cost well north of $2000 at the motor werks Porsche of barrington. I also have a 2002 Porsche 996 turbo which just recently ruptured the coolant hose. The cost is once again right around two thousand dollars. I'm just fed up that this epoxy failure within the coolant system which has affected so many Porsche owners. …”

NHTSA complaint #10510020, filed 2013-04, 30,000 miles

Mileage when problems were reported

43% of the 7 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 40,000 and 72,000 miles.

0%0–100%10–2543%25–5043%50–7514%75–1000%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (7 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 61,093 miles.

Complaints by year filed

Fewer than 15 complaints, too few for a reliable trend.

2013201442017
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Fuel economy and running cost

EPA ratings for each 2008 Porsche Cayenne Turbo version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).

VersionEngineTransmissionCityHwyComb.Fuel / yr
Cayenne Turbo 4WD/AWD4.8L 8-cyl6-speed automatic121914$5,850

Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.

Recalls and investigations

Recall details for the 2008 Porsche Cayenne Turbo → · Check a VIN at nhtsa.gov/recalls

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 374 on record; the latest 10 are shown.

See all 374 bulletins →

Other model years of the Porsche Cayenne Turbo

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
20111190,0003—17—Not enough data
2008761,0931—14—Not enough data
20041539,9908—14—Stable

All Porsche Cayenne Turbo model years

Frequently asked questions

How many NHTSA complaints does the 2008 Porsche Cayenne Turbo have?

NHTSA recorded 7 consumer complaints for the 2008 Porsche Cayenne Turbo as of Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2008 Porsche Cayenne Turbo is reported most often?

Engine is named most often, in 7 complaints (100% of the total), followed by transmission and drivetrain with 1.

Has the 2008 Porsche Cayenne Turbo been recalled?

NHTSA lists 1 recall campaign for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

What gas mileage does the 2008 Porsche Cayenne Turbo get?

The EPA rates the 2008 Porsche Cayenne Turbo (Cayenne Turbo, 4.8L 8-cyl) at 14 mpg combined, 12 city and 19 highway, with an estimated annual fuel cost of $5,850 at 15,000 miles a year. Other engine and drive versions are rated differently.

At what mileage are problems with the 2008 Porsche Cayenne Turbo reported?

Among the 7 complaints that include a mileage, the median is 61,093 miles and the middle half falls between 40,000 and 72,000 miles; 43% were filed for vehicles with under 50,000 miles.

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. Fuel economy is from the EPA and DOE (fueleconomy.gov).

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.