Pontiac G8 2008-2010 - Whats a near stock gt get for mileage?
12-24-2011, 01:19 PM
I'm sorta thinking about replacing my wife's Bonneville GXP with a G8 GT and wondering about the mileage. It would probably stay relatively close to stock. Maybe a cat-back and tune at the most. So what is everyone getting for milage?
12-24-2011, 10:31 PM
stock i got 17 city. 29 highway. but cruising at 45 with cruise control i got 45mpg.
12-25-2011, 01:23 AM
Stock mine got 21 city and 26 highway. After tune and vararam CAI, it gets 22-23 city and 27-28 highway! Either are awesome for the performance of these cars!!!
12-25-2011, 12:51 PM
Wife's car gets 16 - almost all in town driving.
12-25-2011, 07:13 PM
Thanks for your input guys.
12-26-2011, 09:17 AM
Fully modded my car gets about 12-14 city and 23 on highway.
12-26-2011, 09:23 AM
19 city/ 21hwy (80mph cruising speed )
Vararam/Cortex and the cylinder thing what the hell do you call it turned off
12-26-2011, 09:53 PM
11-12 city and 20-22 hwy @ 75. See sig. for details on G8 mods.
01-01-2012, 12:34 PM
Those are some good numbers for such a big powerful car!
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