Petrol
Jaguar XK8 (X100) 1996-2005 petrol remap figures
3 petrol engines for the Jaguar XK8 (X100). Open yours to see the stock and expected figures for its power, torque and ECU.
| Engine / variant | Stock | Vanguard expected | Expected gain, up to | Stage |
|---|---|---|---|---|
| 4.0 V8 370bhpPetrol ยท 4.0L ยท 1996-2005 | 370 bhp 525 Nm | 405 bhp 561 Nm | +35 bhp +36 Nm | 1 |
| 4.2 300bhpPetrol ยท 4.2L ยท 1996-2005 | 300 bhp 420 Nm | 330 bhp 442 Nm | +30 bhp +22 Nm | 1 |
| 4.2 R 400bhpPetrol ยท 4.2L ยท 1996-2005 | 400 bhp 553 Nm | 435 bhp 599 Nm | +35 bhp +46 Nm | 1 |
All XK8 (X100) 1996-2005 variants
Please note: these are expected figures, not guarantees. Real results vary with the condition of the vehicle, the ECU software version, fuel quality and the hardware fitted. Some options - including Stage 2 and anything that needs extra hardware - are for off-road or competition use only. We check every vehicle first and confirm what is achievable before any work starts.
