Alfa Romeo 156 2.4 JTD 20V 175hp Remap

The Alfa Romeo 156 2.4 JTD 20V 175hp is a 2.4L turbocharged diesel engine producing 175 BHP and 385 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 220 BHP and 480 Nm — a gain of around 45 BHP (26%) and 95 Nm (25%).

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.

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