Cummins QSX

I · 540 14.95L 542hp (399kW) 2355Nm

Stage 1

	Original	After tuning	Diff
Power hp	542	640	+98
Torque Nm	2355	2830	+475

Power gain

+18%

Torque gain

+20%

Fuel economy −5%

Before

~~36.1~~ L / 100 km

After tuning

34.3 L / 100 km

Saves ≈ 1.9 L / 100 km — about 1 882 L (over 100 000 km) ≈ €3 294

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

Power graph / Stage 1

PowerTorqueStock