2026 Porsche Cayenne Turbo GT

4.0L V8 Twin-Turbo

Twin-Turbo V8

A ferociously responsive 'hot-V' V8 that gives the Cayenne Turbo GT supercar-baiting urgency and a hard-edged bark unusual for an SUV, with almost no turbo lag thanks to the centrally-mounted turbochargers.

This 4.0-litre V8 was co-developed within the Volkswagen Group and is shared across Porsche, Audi and other VW Group performance models; the Cayenne Turbo GT debuted in mid-2021 as the sharpest expression of the engine.

• The turbochargers sit inside the V of the engine ('hot inside V') so exhaust gas reaches them faster, cutting lag.
• The same basic engine family powers everything from the Panamera to Bentley and Lamborghini Urus applications.