Porsche Cayenne Turbo GT E3 — Reliability

E3 SUV Full SUV 2021–present 1 engine

Reliability Summary

Engine M28.70/M28.80 — 70/100 ACCEPTABLE
Known Issues 4

Engine in this model

ACCEPTABLE 70

M28.70/M28.80

4.0 V8 Twin-Turbo

Brute force V8TT. 550-630hp. Reliable but maintenance costs are eye-watering. Turbo oil lines need w...

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Known Issues Across All Engines

Issue Engine Severity Onset
Turbo oil feed line leak M28.70/M28.80 high 50,000 km – 100,000 km
Ignition coil / spark plug failure M28.70/M28.80 moderate 40,000 km – 80,000 km
Coolant line / hose deterioration M28.70/M28.80 moderate 60,000 km – 120,000 km
Engine/transmission mount wear M28.70/M28.80 minor 80,000 km – 150,000 km