Stuart Webster
Jul 2025
Really happy with the remap on my van highly recommend.
Posted on Google · view on our Google profilePorsche Cayenne S Diesel 958 ECU Remapping
Porsche Cayenne S Diesel 9584.2 V8 TDI · 2012–2017
Stage 1 £349
Get my quote →The Porsche Cayenne S Diesel 958 (2012 to 2017) leaves the factory with 385 PS and 850 Nm from its 4.2 diesel engine. Our Stage 1 estimate takes it to 455 PS and 975 Nm, roughly 18% more power and 15% more torque.
Porsche
ECU confirmed on inspection
Cayenne S Diesel
958 · 4.2
Stage 1 estimate
455 PS
STX Tuning
Stage 1 price
£349
Stage 1 ECU remap
Estimated gain
+70 PS · +125 Nm
Power
Stock
385 PS
Stage 1
455 PS
Torque
Stock
850 Nm
Stage 1
975 Nm
Figures are STX Tuning estimates for a healthy standard car, not a dyno result for your vehicle. Power is shown in PS. These are existing vehicle library estimates, not independently measured results.
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What we do
More than just ECU remapping.
From Stage 1 and Stage 2 ECU remapping to gearbox tuning and supporting performance upgrades, STX Tuning offers specialist vehicle software and tuning services for compatible petrol and diesel cars and vans.
Explore the available options for your exact vehicle at our Slough workshop, with suitable mobile ECU remapping appointments available across selected surrounding areas.
- Stage 1 & Stage 2 ECU RemappingStage 1Stage 2
- Turbo Petrol ECU Tuning
- Turbo Diesel ECU Tuning
- Pops & Bangs
- Performance Remapping
- Economy ECU Remapping
Not sure which tuning service you need?
Tell us what you drive and what you'd like to achieve. We'll check your vehicle and help you explore the available options.
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