	Original	After tuning	Diff
Power hp	180	200	+20
Torque Nm	400	450	+50

Power gain

+11%

Torque gain

+12%

Ready to feel these +20 hp on the road?

Get your ready-to-flash Stage 1 file for the DS DS4

Order tuning file →

Stage 1 file from €85

Exact price depends on the ECU — confirmed when you upload the file

✓ Original file back-up ✓ Delivered in ~30 min ✓ Support included

Power graph / Stage 1

PowerTorqueStock

	Stock	ECO	Diff
Power hp	180	185	+5
Torque Nm	400	430	+30

ECO tune

Power & torque are eased back a touch and the map is optimised for the lowest possible fuel use — best for daily commuting, towing and long motorway diesel runs. Smoother, calmer, cheaper to run.

Cut your fuel bill by ~8% — €159 a year

Get your ready-to-flash ECO file for the DS DS4

Order tuning file →

ECO file from €85

Exact price depends on the ECU — confirmed when you upload the file

✓ Original file back-up ✓ Delivered in ~30 min ✓ Support included

Fuel economy −8%

Before

~~7.8~~ L / 100 km

With ECO

7.2 L / 100 km

Saves ≈ 0.6 L / 100 km — about 91 L (over 15 000 km) ≈ €159

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

DS DS4 2.0 BlueHDi (EAT6)