Land Rover Range Rover / Sport 4.2 V8 Supercharged 396hp Remap

The Land Rover Range Rover / Sport 4.2 V8 Supercharged 396hp is a 4.2L supercharged petrol engine producing 396 BHP and 560 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 450 BHP and 650 Nm — a gain of around 54 BHP (14%) and 90 Nm (16%).

This engine has moderate remap suitability, with a balanced spread of gains across both power and torque — providing a noticeable improvement across the rev range. The tuning headroom is classified as moderate, based on the percentage gain available from the factory output.

From a technical perspective, the transmission is many variants use zf 8-speed automatic (where fitted). at this torque level, transmission and driveline servicing history becomes especially important..

Considerations: High tuned torque: check transmission torque capacity and service history.