Vauxhall Signum 2.0 T 175
Engine Remapping in Gwent
Vauxhall Signum 2.0 T 175 in Gwent. 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
Vauxhall Signum 2.0 T 175: standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+35 bhp · +20%- Standard175 bhp
- Remapped210 bhp
Torque
+65 Nm · +25%- Standard265 Nm
- Remapped330 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
Out of the box the Vauxhall Signum 2.0 T 175 gives 175 bhp and 265 Nm. Remapped in Gwent, we record 210 bhp and 330 Nm, so 35 bhp and 65 Nm more, or 20% and 25% respectively.
These are indicative figures for a petrol Vauxhall Signum in good health. Your own results depend on the condition of the car.
Vauxhall Signum 2.0 T 175 power and torque after remapping
- Fuel: Petrol
- Standard power: 175 bhp, remapped: 210 bhp (+35 bhp, +20%)
- Standard torque: 265 Nm, remapped: 330 Nm (+65 Nm, +25%)
- Service: stage 1 ECU remap, fully dyno tested
Petrol Vauxhall Signum: what changes with a remap
A petrol remap re-works the engine management calibration: air-fuel ratio, ignition advance and boost where fitted. The result is more power and a more immediate throttle, delivered by software rather than hardware changes.
How the Vauxhall Signum 2.0 T 175 compares
Ranked by power gain against the other petrol Signum engines (3 in total), the 2.0 T 175 is 3rd, 3 bhp below the Signum petrol average of 38 bhp.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 35 bhp and 65 Nm sits at or above that benchmark.
Vauxhall Signum engine tuning in Gwent
Remap Experts Gwent is part of the UK-wide Remap Experts network. We regularly work with drivers in Crumlin, Rassau, Manmoel, Ebbw Vale and Brynmawr and nearby areas of Wales.
All our remaps are fully dyno tested, backed by a 30 day money back guarantee and covered by a lifetime software warranty. Request a quote online or call 0800 779 7864.
If you are closer to Cardiff, Bristol and Midwales, those neighbouring Remap Experts sites can help too.

Ready for engine remapping on your Vauxhall Signum in Gwent?
Send your details and a specialist will confirm what is possible for your engine.
Included
What we can do for your Vauxhall Signum
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.
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