Expected gains of +54 BHP and +90 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Jaguar XKR 4.2 V8 Supercharged 416hp? A Stage 1 remap can take this All petrol engine from 416 BHP to 470 BHP and from 560 Nm to 650 Nm of torque (supercharged). This engine scores 6/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Jaguar XKR can achieve.
The Jaguar XKR 4.2 V8 Supercharged 416hp is a 4.2L supercharged petrol engine producing 416 BHP and 560 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 470 BHP and 650 Nm — a gain of around 54 BHP (13%) and 90 Nm (16%).
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.
From a technical perspective, the transmission is many variants use zf 8-speed automatic (where fitted). at this torque level, transmission and driveline servicing history becomes especially important..
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 |
|---|---|---|---|---|---|
| 5.0 V8 Supercharged 510hp | 510 → 560 | +50 | 625 → 700 | +75 | Good (6/10) |
| 5.0 V8 S Supercharged 550hp | 550 → 570 | +20 | 680 → 720 | +40 | Moderate (4.5/10) |
Get a personalised remap quote for your Jaguar XKR. 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.