Range Rover Sport 4.2 V8 Kompressor 390
Chip Tuning Scotland
Range Rover Sport 4.2 V8 Kompressor 390 in Scotland. Standard and remapped figures for this exact engine.

- Fully dyno tested remaps
- 30 day money back guarantee
- Lifetime software warranty
- UK-wide local network
Remap stats
Range Rover Sport 4.2 V8 Kompressor 390: standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+36 bhp · +9%- Standard390 bhp
- Remapped426 bhp
Torque
+55 Nm · +10%- Standard550 Nm
- Remapped605 Nm
Tuning figures are indicative estimates, not guaranteed results. Actual results depend on the condition of the vehicle.
Prices from £130
Fully dyno tested | 30 day money back guarantee | Lifetime software warranty
Looking for chip tuning for your Range Rover Sport 4.2 V8 Kompressor 390 in Scotland? Standard it makes 390 bhp and 550 Nm. With a stage 1 remap our figures show 426 bhp and 605 Nm, an extra 36 bhp (9%) and 55 Nm (10%).
Figures are indicative stage 1 estimates for a healthy petrol Land Rover Range Rover Sport; results vary with the condition of the vehicle.
Range Rover Sport 4.2 V8 Kompressor 390 power and torque after remapping
- Fuel: Petrol
- Standard power: 390 bhp, remapped: 426 bhp (+36 bhp, +9%)
- Standard torque: 550 Nm, remapped: 605 Nm (+55 Nm, +10%)
- Service: stage 1 ECU remap, fully dyno tested
Petrol Land Rover Range Rover Sport: what changes with a remap
Petrol engines are remapped by refining fuelling, ignition timing and, on turbocharged engines, boost control. Done carefully this releases performance the manufacturer left in reserve, giving sharper throttle response and a stronger top end.
Range Rover Sport 4.2 V8 Kompressor 390 against other Range Rover Sport engines
Among the 2 petrol Range Rover Sport engines we have figures for, the Range Rover Sport 4.2 V8 Kompressor 390 ranks 1st for power gain, 2 bhp above the Range Rover Sport petrol average of 34 bhp.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 36 bhp and 55 Nm sits at or above that benchmark.
Book ECU remapping for your Land Rover Range Rover Sport in Scotland
Whether you live in Scotland or nearby, the Scotland Remap Experts site is your local route to a quote. We regularly work with drivers in Penicuilk, Kirkcaldy, Musselburgh, Livingston and Gorebridge and nearby areas of Scotland.
You get a fully dyno tested remap, a 30 day money back guarantee and a lifetime software warranty with every job. Get your quote today on 0800 779 7864.
If you are closer to Edinburgh, Glasgow and Fife, those neighbouring Remap Experts sites can help too.

Want these figures on your Range Rover Sport 4.2 V8 Kompressor 390?
Send your registration and we will confirm the exact remap, the price and the next available slot.
Included
What we can do for your Land Rover Range Rover Sport
Stage 1 ECU remap
Add power and torque and improve driveability. Software only, tailored to your engine.
ECU repair and testing
Is your engine control unit playing up? We can arrange testing and repair, and source replacement ECUs.
DPF and EGR fault repair
Persistent DPF or EGR errors diagnosed and resolved in accordance with all current road-legal standards.
Engine carbon cleaning
Fault finding and carbon cleaning for the inside of your engine, typically completed in a couple of hours.
Same model
Other Range Rover Sport engines
From quote to remapped in four steps
No jargon and no pressure. Here is exactly what happens.
- 01
Find your vehicle
Choose your make, model and engine to see the standard and remapped power and torque for your car.
- 02
Request a quote
Send your details and we contact you by SMS or call back with a quote. No obligation.
- 03
Book with your local site
Your local Remap Experts site arranges the remap and answers any questions about your car.
- 04
Remapped and dyno tested
Your remap is fully dyno tested, with a 30 day money back guarantee and a lifetime software warranty.
Everything you need to know
Plain-English guides to how remapping works, what it does and what to check first.
- 6 min read
What is ECU remapping?
The engine control unit, what a remap changes, and who it suits.
Read guide - 5 min read
The benefits of ECU remapping
More torque, better driveability and the potential for better economy.
Read guide - 6 min read
How ECU remapping works, step by step
From reading the original software to the dyno test.
Read guide