Cummins QSX

I · 520 14.95L 522hp (384kW) 2365Nm

Stage 1

	Original	After tuning	Diff
Power hp	522	610	+88
Torque Nm	2365	2840	+475

Power gain

+17%

Torque gain

+20%

Fuel economy −7%

Before

~~34.8~~ L / 100 km

After tuning

32.5 L / 100 km

Saves ≈ 2.3 L / 100 km — about 2 297 L (over 100 000 km) ≈ €4 019

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

Power graph / Stage 1

PowerTorqueStock