Smart ForFour 2014+ tuning files
Typical stock and Stage 1 figures for each engine. Open an engine for torque, ECU and technical data.
Engine
Stock
Stage 1
Gain
0.9 Turbo 90hp
90 hp
110 hp
+20 hp
1.0i 61hp
61 hp
69 hp
+8 hp
1.0i 71hp
71 hp
79 hp
+8 hp
Figures are typical for a stock vehicle in good condition. Actual results depend on condition, fuel quality and fitted hardware.