Vauxhall Signum 1.9 CDTi 100
ECU Remapping
Vauxhall Signum 1.9 CDTi 100. 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 1.9 CDTi 100: standard vs remapped
Diesel engine. Indicative stage 1 figures, fully dyno tested.
Power
+35 bhp · +35%- Standard100 bhp
- Remapped135 bhp
Torque
+75 Nm · +29%- Standard260 Nm
- Remapped335 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
A stage 1 remap lifts the Vauxhall Signum 1.9 CDTi 100 from 100 bhp to 135 bhp, and from 260 Nm to 335 Nm of torque. That is 35 bhp (35%) more power and 75 Nm (29%) more torque from software alone, available across the UK.
These are indicative figures for a diesel Vauxhall Signum in good health. Your own results depend on the condition of the car.
Vauxhall Signum 1.9 CDTi 100: remap at a glance
- Fuel: Diesel
- Standard power: 100 bhp, remapped: 135 bhp (+35 bhp, +35%)
- Standard torque: 260 Nm, remapped: 335 Nm (+75 Nm, +29%)
- Service: stage 1 ECU remap, fully dyno tested
How ECU remapping works on a diesel Vauxhall Signum
Nothing is bolted on in a diesel remap. The ECU's stored maps for injection quantity, rail pressure and turbo boost are rewritten within safe limits, and because diesels make power through torque, that is where the improvement is most obvious.
How the Vauxhall Signum 1.9 CDTi 100 compares
Among the 5 diesel Signum engines we have figures for, the 1.9 CDTi 100 ranks 4th for power gain, 1 bhp below the Signum diesel average of 36 bhp.
Across our whole catalogue the average diesel remap adds 34 bhp and 73 Nm, so this engine's 35 bhp and 75 Nm sits at or above that benchmark.
Vauxhall Signum ECU tuning
Remap Experts is a UK network of local remapping sites. Use Find a Local Tuner to reach your nearest site and get an exact quote.
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.

Ready for ECU remapping on your Vauxhall Signum?
Send your registration and we will confirm the exact remap, the price and the next available slot.
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