Vauxhall Signum ECU Remapping & Engine Tuning

We have remap figures for six Vauxhall Signum engines. Petrol engines gain +16% to +17% power and diesels +16% to +25%. The largest bhp increase is on the Signum 2.8: 240 to 280 bhp (+40 bhp, +16%). Book your Signum in at our Burnley workshop on 01282 779 000, or find a local dealer.

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Vauxhall Signum remap figures
Vauxhall Signum	Original BHP	Remapped BHP	Original Torque (Nm)	Remapped Torque (Nm)
1.9 Cdti 150 BHP 2003-2008	150	175 (+16%)	320	370 (+15%)
1.9 Cdti 120 BHP 2003-2008	120	150 (+25%)	280	335 (+19%)
2.0 T 175 BHP 2003-2008	175	205 (+17%)	265	315 (+18%)
2.8 240 BHP 2003-2008	240	280 (+16%)	265	315 (+18%)
3.0 V6 Cdti 177 BHP 2003-2008	177	215 (+21%)	370	430 (+16%)
3.0 V6 Cdti 184 BHP 2003-2008	184	215 (+16%)	400	460 (+14%)

Frequently asked questions

How much power does a remap add to a Vauxhall Signum?

Petrol engines gain +16% to +17% power and diesels +16% to +25%. The full figures for each engine are in the table above.

How much extra torque does a remap give a Vauxhall Signum?

Torque gains range from +14% to +19%, an extra 50 to 60 Nm depending on the engine.

Which Signum engine gains the most from a remap?

The Signum 2.8 gains the most: 240 to 280 bhp (+40 bhp, +16%). Torque rises from 265 to 315 Nm (+18%).

Where can I get my Signum remapped?

Book it in at our workshop in Burnley, Lancashire, on 01282 779 000, or find a local remap dealer in our dealer directory.

How we develop your remap

Our remaps are developed in-house at our facility in Lancashire, and cars are developed on our Dynojet 424xLC² dyno. Read more about dyno tuning at BHP UK.

Our Products & Services

All of our software, programming and tuning services are designed and built in-house and are designed to enhance your vehicle and bring out it’s pure & true performance potential.