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Stage 1 ยท Petrol

Saab 9-5 (MK1) 2005-2009 2.0T 150bhp remap figures

The Saab 9-5 2.0T 150bhp (2005-2009) is a petrol 2.0L model making 150bhp and 240Nm as standard. After a Stage 1 ECU remap we expect 185bhp and 283Nm - up to 35bhp and 43Nm more than stock.

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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.

StockVanguard expectedExpected gain, up to
Power150 bhp185 bhp+35 bhp
Torque240 Nm283 Nm+43 Nm

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All maps at a glance

MapPowerTorqueExpected gain, up to
Stock150 bhp240 Nm
Stage 1Maximum software-only performance185 bhp283 Nm+35 bhp
+43 Nm
Stage 1 EcoPerformance with economy in mind176 bhp280 Nm+26 bhp
+40 Nm
Eco mapEconomy first173 bhp277 Nm+23 bhp
+37 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 9-5

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.

The ECU recorded for this variant is a Trionic 8. Older engine management is simpler to work with, but age matters: worn sensors, leaks and tired components can hold back what a remap delivers, which is why we run a diagnostic check first.

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 Saab 9-5 2.0T 150bhp?

We expect 185bhp and 283Nm against 150bhp and 240Nm as standard: up to +35bhp and +43Nm. 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 Saab 9-5 2.0T 150bhp?

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: 176bhp and 280Nm expected. The Eco map is economy first: 173bhp and 277Nm. Both still sit above the standard 150bhp and 240Nm.

Do I need to tell my insurer about a remap?

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