Car Model Guide/ Engines/ CASA

CASA 3.0 V6 TDI

The Audi V6 diesel fitted from 2009, and the only Cayenne engine that makes economic sense used. It's quick, quiet and shared with the Touareg and the Q7, which keeps the parts and the knowledge easy to find.

ConfigurationV6, turbochargedDisplacement2967 cc
FueldieselInjectioncommon rail
Shared componentsDPF · EGR cooler

Cars using this engine

VariantChassisBodyYearsPowerRiskGood buy
3.0 TDI955/957SUV2009–2010240 PSR3€15,000

Engine and component issues

Warning light, limp mode, oil level rising above the maximum mark from fuel dilution. The filter needs sustained hot running to regenerate. A car used for short urban trips never completes a regeneration cycle.
Check: Read the DPF soot load and the distance since the last regeneration on a scan tool, and check the engine oil level and smell it for diesel. Ask what the car was used for. A short-trip city diesel is the wrong car regardless of mileage.
EmissionscommonPartly detectableevidence: documented120250k km
EGR cooler leakEGR cooler€400–€1,000
Coolant loss with no visible external leak, white smoke, sweet smell. The EGR cooler cracks internally and leaks coolant into the intake. BMW recalled affected diesels over a fire risk from glycol deposits igniting.
Check: Check coolant level and look for unexplained top-ups in the service history. Verify the recall was carried out. It's free and searchable by VIN.
EmissionsoccasionalPartly detectableevidence: manufacturer120250k km

Chassis, gearbox and body issues aren't listed here. They depend on which car the engine is fitted to. Open a variant page for the merged list.