Land Rover Defender 2.5 TD5 122hp Remap

The Land Rover Defender 2.5 TD5 122hp is a 2.5L turbocharged diesel engine producing 122 BHP and 300 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 150 BHP and 365 Nm — a gain of around 28 BHP (23%) and 65 Nm (22%).

This engine scores highly for 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 high, 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)..

Considerations: Older diesel: injector, turbo and intake condition can affect results; ensure maintenance is up to date.

Fuel economy note: possible improvement with conservative driving.

All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.