Does cruise control affect fuel consumption?

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GSLaaitie

Race Dog
Joined
Feb 15, 2011
Messages
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Location
Pretoria
Bike
BMW R1200GS Adventure
I've always assumed that the cruise control would be better at maintaining a constant speed, minimizing acceleration and therefore have better fuel usage. But on the open highways, I'm starting to suspect that CC is actually increasing my fuel usage. On the highway at 120 km/h, it seems my immediate use never falls far below 6l/100km while on CC.

What are your thoughts / feelings on this?
 
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