Expected gains of +37 BHP and +39 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Cadillac XLR 4.4 Supercharged V8 443hp? A Stage 1 remap can take this 2006 - 2009 petrol engine from 443 BHP to 480 BHP and from 561 Nm to 600 Nm of torque (supercharged). This engine scores 5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Cadillac XLR can achieve.
Comparisons are calculated from our own recorded Stage 1 figures.
The Cadillac XLR 4.4 Supercharged V8 443hp is a 4.4L supercharged petrol engine producing 443 BHP and 561 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 480 BHP and 600 Nm — a gain of around 37 BHP (8%) and 39 Nm (7%).
This engine has limited remap suitability, though the available headroom is limited, so gains are modest compared to higher-output variants. The tuning headroom is classified as limited, based on the percentage gain available from the factory output.
Considerations: 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.
| Engine | BHP | Gain | Torque | Gain |
|---|
| Score |
|---|
| 4.6 V8 326hp | 326 → 346 | +20 | 423 → 450 | +27 | Limited (3.5/10) |
Get a personalised remap quote for your Cadillac XLR. 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.