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Jaguar XJ 5.0 V8 385hp

2009 ->

385 Original HP
405 Modified HP
515 Original NM
540 Modified NM
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Jaguar XJ

Jaguar XJ 2009 -> 5.0 V8 385hp

Key Specifications

Generazione 2009 ->
Carburante Petrol
Power 385 → 405 hp +20 hp
Torque 515 → 540 Nm +25 Nm
Power
405 HP
+20 HP (+5.2%)
Original 385 HP
Stage 1 405 HP
Torque
540 NM
+25 NM (+4.9%)
Original 515 NM
Stage 1 540 NM

Power Graph

Original Power 385HP
Original Torque 515Nm
Power After Remap 405HP
Torque After Remap 540Nm

Discover Our Tuning Solutions

Frequently Asked Questions - Jaguar XJ

The cost of Stage 1 tuning for Jaguar XJ 5.0 V8 385hp varies depending on the ECU and specific requirements. Contact us for a free personalized quote.

Stage 1 tuning for Jaguar XJ typically takes 1-2 hours of work. Time may vary depending on the ECU type.

Yes, our Stage 1 tunes are developed respecting the engine's safety margins. The power increase from 385 to 405 HP (+5%) is within safe parameters.

With Stage 1 tuning, Jaguar XJ goes from 385 HP to 405 HP (+20 HP) and from 515 Nm to 540 Nm (+25 Nm).

Stage 1 remapping takes it from 385 HP to 405 HP (+20 HP, +5%) and torque from 515 Nm to 540 Nm (+25 Nm). These figures refer to the standard engine, with no hardware modifications.

A remap changes the factory calibration, so on a vehicle still under manufacturer warranty it may affect coverage on powertrain components. Performance tuning keeps all emission systems working; deactivating emission devices such as DPF, EGR or AdBlue is not road-legal in the EU and UK and is intended for off-road, motorsport or export use only.

With a normal driving style consumption usually stays the same or drops slightly: the extra torque at low rpm means less throttle for the same speed. Consumption goes up only if you actually use the additional power.

Yes. The original file is read and stored before any modification, so the vehicle can be returned to the factory calibration at any time.

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Jaguar
Jaguar XJ 5.0 V8 385hp
+20 HP
405 HP