Considering an ECU remap for your Cadillac STS 3.6 V6 255hp? A Stage 1 remap can take this 2006 - 2010 petrol engine from 255 BHP to 275 BHP and from 342 Nm to 370 Nm of torque (naturally aspirated). This engine scores 4/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Cadillac STS can achieve.
The Cadillac STS 3.6 V6 255hp is a 3.6L naturally aspirated petrol engine producing 255 BHP and 342 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 275 BHP and 370 Nm — a gain of around 20 BHP (8%) and 28 Nm (8%).
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 limited, based on the percentage gain available from the factory output.
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.
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.
| Engine | BHP | Gain | Torque | Gain | Score |
|---|---|---|---|---|---|
| 4.6 V8 320hp | 320 → 340 | +20 | 427 → 445 | +18 | Limited (3.5/10) |
| 4.4 V8 469hp | 469 → 500 | +31 | 595 → 680 | +85 | Moderate (4.5/10) |
Get a personalised remap quote for your Cadillac STS. We'll connect you with a trusted professional in your area.
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 before proceeding.
