Vauxhall Signum 2.0 T 175
ECU Remapping
Vauxhall Signum 2.0 T 175. 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
Looking for ECU remapping for your Vauxhall Signum 2.0 T 175? Standard it makes 175 bhp and 265 Nm. With a stage 1 remap our figures show 210 bhp and 330 Nm, an extra 35 bhp (20%) and 65 Nm (25%).
Figures are indicative stage 1 estimates for a healthy petrol Vauxhall Signum; results vary with the condition of the vehicle.
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
What a remap does for a petrol Vauxhall Signum
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.
Vauxhall Signum 2.0 T 175 against other Signum engines
Of the 3 petrol Signum engines in our data, this one comes 3rd for power gain, which is 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.
Remapping your Vauxhall Signum across the UK
Our network covers the whole of the UK through local Remap Experts sites. Find your area to get a quote from a specialist near you.
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.

Get a quote for your Vauxhall Signum 2.0 T 175
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