View Single Post
      10-26-2008, 09:47 PM   #3
chris719
Major General
7334
Rep
7,299
Posts

Drives: '08 M Roadster
Join Date: Oct 2007
Location: NJ

iTrader: (0)

With the top up and a light foot you can do 24 no problem I think in 6th. Although, my MPG went up gradually until about 3500 miles, so for a greener engine it might be lower.
Appreciate 0