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← Steyr Profi engines

Steyr Profi 4120 4.5L 121hp (89kW) 549Nm

I · 121 hp
Stage 1
OriginalAfter tuningDiff
Power hp121 145 +24
Torque Nm549 640 +91
Power gain
+20%
Torque gain
+17%
Fuel economy −10%
Before
14.5 L / h
After tuning
13.1 L / h
Saves ≈ 1.4 L / h — about 1 423 L (over 1 000 engine-hours) ≈ €2 491
Estimate for a typical duty cycle · real saving depends on load & driving style
Ready to feel these +24 hp on the road?
Get your ready-to-flash Stage 1 file for the Steyr Profi
Order tuning file →
Stage 1 file from €120
Exact price depends on the ECU — confirmed when you upload the file
✓ Original file back-up ✓ Delivered in ~30 min ✓ Support included
Power graph / Stage 1
PowerTorqueStock
dyno graph