Toyota Corolla 2.0 D-4D 126hp Remap

The Toyota Corolla 2.0 D-4D 126hp is a 2.0L turbocharged diesel engine producing 126 BHP and 300 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 150 BHP and 350 Nm — a gain of around 24 BHP (19%) and 50 Nm (17%).

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.

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.