Cummins QSX

I · 635 14.95L 637hp (468kW) 2788Nm

Stage 1

	Original	After tuning	Diff
Power hp	637	700	+63
Torque Nm	2788	3340	+552

Power gain

+10%

Torque gain

+20%

Fuel economy −7%

Before

~~42.5~~ L / 100 km

After tuning

39.7 L / 100 km

Saves ≈ 2.8 L / 100 km — about 2 815 L (over 100 000 km) ≈ €4 926

Estimate for a typical duty cycle · real saving depends on load & driving style

Power graph / Stage 1

PowerTorqueStock