Porsche Cayenne

Cayenne 1st Gen (2003–2010)

V6 3.2 / V8 4.5 T (2003–2010)

Oil Specification

Grade

Mobil 1 0W-40

Capacity

7.0 L V6 / 8.5 L V8 (with filter)

Porsche Spec

Porsche A40

Service Schedule

Engine oil & filter

1 year / 12,000 miles

Brake fluid flush

2 years (regardless of mileage)

Pollen filter

2 years

Air filter

4 years / 40,000 miles

Spark plugs

4 years / 40,000 miles

Coolant flush

4 years, then every 2 years

Tiptronic fluid & filter

4 years / 40,000 miles

Front & rear differential fluid

Every 60,000 miles

Transfer case fluid (PTM)

Every 60,000 miles

Safety-critical / commonly missed

Known Issues & Watch Points

Age-related component wear

Watch

9PA Cayennes are now 15–20+ years old. Suspension bushes, air spring bags (where fitted), steering rack seals, and coolant hoses are all wear items to inspect thoroughly. A pre-purchase inspection by a Porsche specialist is strongly recommended.

Tiptronic transmission service history

Important

Confirm the Tiptronic has been serviced on schedule. Neglected transmissions develop harsh shift behaviour and costly failures. Fluid and filter change every 4 years is essential.

Intervals are general guidance. Always refer to your car's Maintenance Booklet and consult a qualified Porsche specialist. Known issues are documented based on commonly reported patterns — not every car will be affected.

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