Buick Park Avenue 3.8 V6 240hp Remap

The Buick Park Avenue 3.8 V6 240hp is a 3.8L naturally aspirated petrol engine producing 240 BHP and 380 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 270 BHP and 420 Nm — a gain of around 30 BHP (12%) and 40 Nm (11%).

This engine has limited 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: Naturally aspirated engine: gains are usually limited; results vary widely.. High tuned torque: check transmission torque capacity and service history.

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.