Stage 1 · Petrol

Vauxhall Vectra (C) 2006-2008 2.8 V6 246bhp remap figures

Stock, this 2006-2008 Vauxhall Vectra petrol (2.8L) produces 246bhp and 350Nm. Our expected figures for a Stage 1 remap are 315bhp and 459Nm, an expected gain of up to 69bhp and 109Nm.

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Stage 1 remap figures

A Stage 1 remap is a software-only change to the ECU on an otherwise standard car. It needs no extra parts, which makes it the usual starting point.

	Stock	Vanguard expected	Expected gain, up to
Power	246 bhp	315 bhp	+69 bhp
Torque	350 Nm	459 Nm	+109 Nm

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All maps at a glance

Map	Power	Torque	Expected gain, up to
Stock	246 bhp	350 Nm
Stage 1Maximum software-only performance	315 bhp	459 Nm	+69 bhp +109 Nm
Stage 1 EcoPerformance with economy in mind	298 bhp	450 Nm	+52 bhp +100 Nm
Eco mapEconomy first	292 bhp	445 Nm	+46 bhp +95 Nm

Who is the Stage 1 map for?

Drivers who want a sharper throttle and a small, honest gain from software alone.
Owners who would rather keep the car standard in every other way.
Anyone who wants the fullest software-only map for this engine, accepting that the gain is modest without a turbocharger.

What this means for your Vectra

Naturally aspirated petrol engines have no boost to raise, so gains from software alone are more modest than on a turbocharged car and come from fuelling, ignition and throttle response.

Engine management is by a Bosch ME9.6 unit. We read the ECU on your car and compare it with the software listed here before any work starts, so you know what to expect before you commit.

We remap at our Belgrave Gate workshop in Leicester, or at your home or work within 30 miles, and every job starts with a diagnostic check.

Please note: these are expected figures, not guarantees. Real results vary with the condition of the vehicle, the ECU software version, fuel quality and the hardware fitted. Some options - including Stage 2 and anything that needs extra hardware - are for off-road or competition use only. We check every vehicle first and confirm what is achievable before any work starts.

Figures reviewed 22 October 2026.

Stage 1 questions

How much power does the Stage 1 map give the Vauxhall Vectra 2.8 V6 246bhp?

We expect 315bhp and 459Nm against 246bhp and 350Nm as standard: up to +69bhp and +109Nm. These are expected figures, and we confirm what is achievable on your own car after a diagnostic check.

Does a Stage 1 remap need any extra parts on the Vauxhall Vectra 2.8 V6 246bhp?

No. Stage 1 is a software-only change to the ECU on an otherwise standard car.

Is there a gentler map than Stage 1 for this engine?

Yes, two. Stage 1 Eco is performance with economy in mind: 298bhp and 450Nm expected. The Eco map is economy first: 292bhp and 445Nm. Both still sit above the standard 246bhp and 350Nm.

Do I need to tell my insurer about a remap?

Yes. A remap is a modification, so you should declare it to your insurer.

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