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All figures shown are typical estimates based on aggregated Stage 1 data. Actual results depend on vehicle condition, mileage, and the chosen tuning method. Always consult a qualified remap professional.

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Vauxhall Signum Remap Estimates — Stage 1 BHP & Torque Gains | TorqueIndex

Vauxhall Signum vehicle

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Vauxhall Signum Tuning Data

Stage 1 estimates for 8 engine variants across 1 generation

2003 - 2008

DieselPower-focused

Excellent (8/10)

PetrolLimited headroom

Moderate (4/10)

2.0 Turbo 170hp

2.8 Turbo 230hp

2.8 Turbo 250hp

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