Steyr Profi All years 4120 4.5L 121hp (89kW) 549Nm remap
Standard this engine makes 121hp and 549Nm. Our Stage 1 file takes it to 146hp and 638Nm.
Where the power arrives
Both curves scaled from the manufacturer figures, on the Stage 1 file.
- Standard 121hp
- Remapped 146hp
- Standard 549Nm
- Remapped 638Nm
Stages for this engine
Stage 1 needs nothing fitted. Anything above assumes the supporting hardware is on the car already.
Every figure for the 4120 4.5L 121hp (89kW) 549Nm
| File | Power | Gain | Torque | Gain | Price |
|---|---|---|---|---|---|
| Standard | 121hp | n/a | 549Nm | n/a | n/a |
| Stage 1 | 146hp | up 25 | 638Nm | up 89 | ask us |
Economy files show no new power figure because they are written for torque and drivability rather than peak output.
Remapping the 4120 4.5L 121hp (89kW) 549Nm
The Steyr Profi All years 4120 4.5L 121hp (89kW) 549Nm runs a factory calibration built to cope with poor fuel, skipped servicing and hot countries. We rewrite the fuelling, boost and timing for this engine on this car, then test it before you get it back. The original file is kept, so it can go back to standard whenever you want.
On the petrol side the difference shows in throttle response and in how hard it pulls through the top half of the rev range. It feels sharper off idle and keeps going where it used to flatten out.
Figures on this page are for a standard car in good health. We read the fault codes and check the basics first, and if something needs attention we will tell you before we write anything. Have a look at the other engines on the All years, the full Profi range, or everything we do for Steyr.
Other engines on this Profi
All years cars.
- 4110 4.5L 110hp (81kW) 498Nm110hp standard
- Classic 4110 4.5L 110hp (81kW) 498Nm110hp standard
- CVT 4110 4.5L 110hp (81kW) 498Nm110hp standard
- CVT 4120 4.5L 121hp (89kW) 549Nm121hp standard
- 6125 6.7L 125hp (92kW) 566Nm125hp standard
- Classic 6125 6.7L 125hp (92kW) 566Nm125hp standard
- 4130 4.5L 131hp (96kW) 549Nm131hp standard
- CVT 4130 4.5L 131hp (96kW) 590Nm131hp standard
- 6140 6.7L 140hp (103kW) 632Nm140hp standard
- Classic 6140 6.7L 140hp (103kW) 632Nm140hp standard
Book your Profi
We write and test every file at our Aston workshop, on our own rolling road. Ring us with your reg and we will tell you what your car should make before you commit to anything.