Cummins QSX

I · 390 14.95L 371hp (273kW) 1825Nm

Stage 1

	Original	After tuning	Diff
Power hp	371	475	+104
Torque Nm	1825	2350	+525

Power gain

+28%

Torque gain

+29%

Fuel economy −6%

Before

~~24.7~~ L / 100 km

After tuning

23.3 L / 100 km

Saves ≈ 1.4 L / 100 km — about 1 438 L (over 100 000 km) ≈ €2 517

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

Power graph / Stage 1

PowerTorqueStock