Vauxhall Signum 2.0 Turbo 170hp Remap

Name: Vauxhall Signum 2.0 Turbo 170hp ECU Remap
Brand: Vauxhall

Expected gains of +30 BHP and +45 Nm torque

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BHP+30 hp (18%)

Standard

170 hp

Tuned

200 hp

Torque+45 Nm (17%)

Standard

265 Nm

Tuned

310 Nm

Suitability

Good (7/10)

Gains Profile

Balanced

Headroom

Medium

Vauxhall Signum 2.0 Turbo 170hp ECU Remapping

Considering an ECU remap for your Vauxhall Signum 2.0 Turbo 170hp? A Stage 1 remap can take this 2003 - 2008 petrol engine from 170 BHP to 200 BHP and from 265 Nm to 310 Nm of torque (turbocharged). This engine scores 7/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Vauxhall Signum can achieve.

How this engine compares

6thof 8 Vauxhall Signum engines by power gain
39%of the 9,842 engines we hold gain data for see a smaller power increase
25%of engines with torque data see a smaller torque increase

Comparisons are calculated from our own recorded Stage 1 figures.

Assessment

The Vauxhall Signum 2.0 Turbo 170hp is a 2.0L turbocharged petrol engine producing 170 BHP and 265 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 200 BHP and 310 Nm — a gain of around 30 BHP (18%) and 45 Nm (17%).

This engine has moderate remap suitability, with a balanced spread of gains across both power and torque — providing a noticeable improvement across the rev range. The tuning headroom is classified as moderate, based on the percentage gain available from the factory output.

All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.

Other Signum 2003 - 2008 Engines

Engine	BHP	Gain	Torque	Gain	Score
1.9 CDTi 100hp	100 → 140	+40	260 → 330	+70	Excellent (8/10)
1.9 CDTi 120hp	120 → 150	+30	280 → 340	+60	Good (7.5/10)
1.9 CDTi 150hp	150 → 190	+40	320 → 400	+80	Good (7.5/10)
2.2i 16v 155hp	155 → 165	+10	220 → 235	+15	Moderate (4/10)
3.0 CDTi 184hp	184 → 219	+35	400 → 470	+70	Good (6.5/10)
2.8 Turbo 230hp	230 → 270	+40	330 → 390	+60	Good (7/10)
2.8 Turbo 250hp	250 → 290	+40	340 → 400	+60	Good (7/10)

Technical Specifications

Fuel Type: Petrol
Aspiration: Turbocharged
Displacement: 2L
Capacity: 1998 CC
Type: Car
Engine Family: Vauxhall 2.0L Turbo Petrol

ECU & Transmission

Likely ECU Low confidence: Petrol ECU (varies by market/year)
Gearbox Low confidence: Transmission varies by trim and market; check manual/automatic type and torque rating.

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Confirm Your Vehicle

MakeVauxhall

ModelSignum

Generation2003 - 2008

Engine2.0 Turbo 170hp

All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method.

We recommend discussing your specific vehicle with a qualified remap professional before proceeding.