Jaguar XF (X250) 2008-2015 4.2 V8 410bhp remap figures
Thinking of remapping a Jaguar XF 4.2 V8 410bhp? The standard car makes 410bhp and 560Nm; with a Stage 1 remap from our Leicester workshop we expect around 445bhp and 612Nm, up to +35bhp and +52Nm.
Choose your map
Stage 1 remap figures
A Stage 1 remap is a software-only change to the ECU on an otherwise standard car. It needs no extra parts, which makes it the usual starting point.
| Stock | Vanguard expected | Expected gain, up to | |
|---|---|---|---|
| Power | 410 bhp | 445 bhp | +35 bhp |
| Torque | 560 Nm | 612 Nm | +52 Nm |
All maps at a glance
| Map | Power | Torque | Expected gain, up to |
|---|---|---|---|
| Stock | 410 bhp | 560 Nm | |
| Stage 1Maximum software-only performance | 445 bhp | 612 Nm | +35 bhp +52 Nm |
| Stage 1 EcoPerformance with economy in mind | 436 bhp | 608 Nm | +26 bhp +48 Nm |
| Eco mapEconomy first | 433 bhp | 605 Nm | +23 bhp +45 Nm |
Who is the Stage 1 map for?
- Drivers who want a sharper throttle and a small, honest gain from software alone.
- Owners who would rather keep the car standard in every other way.
- Anyone who wants the fullest software-only map for this engine, accepting that the gain is modest without a turbocharger.
What this means for your XF
Without a turbocharger the improvement comes from ignition, fuelling and throttle mapping rather than boost, so expect a smaller but still noticeable change in response.
Engine management is by a Denso unit. We read the ECU on your car and compare it with the software listed here before any work starts, so you know what to expect before you commit.
We remap at our Belgrave Gate workshop in Leicester, or at your home or work within 30 miles, and every job starts with a diagnostic check.
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.
Figures reviewed 22 October 2026.
Stage 1 questions
How much power does the Stage 1 map give the Jaguar XF 4.2 V8 410bhp?
We expect 445bhp and 612Nm against 410bhp and 560Nm as standard: up to +35bhp and +52Nm. These are expected figures, and we confirm what is achievable on your own car after a diagnostic check.
Does a Stage 1 remap need any extra parts on the Jaguar XF 4.2 V8 410bhp?
No. Stage 1 is a software-only change to the ECU on an otherwise standard car.
Is there a gentler map than Stage 1 for this engine?
Yes, two. Stage 1 Eco is performance with economy in mind: 436bhp and 608Nm expected. The Eco map is economy first: 433bhp and 605Nm. Both still sit above the standard 410bhp and 560Nm.
Do I need to tell my insurer about a remap?
Yes. A remap is a modification, so you should declare it to your insurer.
More Jaguar XF figures
Other petrol variants
- 5.0 V8 379bhp 2008-2015
- 3.0 V6 S/C 335bhp 2008-2015
- 5.0 V8 R 502bhp 2008-2015
- 4.2 V8 293bhp 2008-2015
- 2.0T 236bhp 2008-2015
All petrol XF (X250) variants · XF (X250) 2008-2015 overview · All Jaguar figures