I'll bet the 5mph will make quite a bit of difference to be honest.

 

I'm curious, is it the standard CC that gives you the fuel computer bit on the dash?

I'll bet the 5mph will make quite a bit of difference to be honest.

 

I'm curious, is it the standard CC that gives you the fuel computer bit on the dash?

 

I believe so, this was one of the reasons I went for it with my car.

The factory option definitely does (although the display is a little small for me), I was wondering about the after build option.

They might be able to get it coded.

The second tank returned 55.9mpg.

 

The journeys under cruise control were very similar - almost identical route, same time of day, similar weather, similar traffic conditions.

 

The second tank had about 10 miles more motorway driving and courtesy of the move to intelligent motorways between Junctions 27 and 30 of the M1 about 30/340 miles of the first tank and 40/350 miles of the second tank was spent at 50mph. The remainder of the time was spent at the cruise control speed for the journey.

 

So I think that this is a reasonable comparison that slightly overstates the fuel consumption benefit of driving at 70mph.

 

Regards,

Malcolm