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· Lifetime Member
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3,805 Posts
I made a nice long drive yesterday on I-12 and I-55. I reset the meter while in cruise and noted the mpg after 5 miles of travel each time; the MPG was
  • @ 80mph was 29mpg
  • @ 70mph was 31mpg.
  • @ 60mph was 32mpg.

not bad for a GT V6.
 

· Professional geek
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433 Posts
I got 33.6 with my 2009 GT on a 62 mile trip through an area with some mild (and not so mild) hills to climb. I tried the same route at 67 and got 33.4 which makes me think the sweet spot for mileage in my car might be around 64 or 65. Running the same route at 80 yields 28.6...

With my typical city driving, I'm sitting at 17.5 if I keep my foot out of it and 15.8 if I have some fun.

I have an app to track my mileage since I bought the car. So far, 9,476 miles with 514.99 gallons burned since late December with an average of 18.91 MPG. I drive about 20% on the highway. Suck, as much fun as the G6 has been I really do wish I had bought that TDI.

~ MattInSoCal
 

· Registered
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441 Posts
I drive about 60 miles one way into work on the highway, cruise set at 60 the entire time and I'm getting just under 29 (dash says 28.8)
 

· Registered
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16 Posts
15-18MPG City, 29-34 MPG highway

I'm kinda a lead foot (2 speeding tickets with in a year over 100 on my bike *crys*) if I drive like I do with my sister in the car with her kid, I get like 24 in town. TC Really kills my Mileage It won't shift till like 6k rpms when sliding ~_~ I guess thats what I get for living in alaska, and not buying winter tires... Oh and theres wayyy to many hills to count here lol
 

· Registered
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10 Posts
07 G6V6 - I'm getting 23.3 on mine at the moment. The car has 98,000 miles on it so far. Knock on wood - the only issues I've had with it so far is the famous 'intermediate steering shaft', bad windshield wiper transmission, driver side wheel bearing and normal brake replacement. Passenger side wheel bearing is just starting to go. I'll have to replace that this weekend I think.
 

· Registered
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174 Posts
Between 16-25 mpg in the city (yes huge variance, but driving in the Bay Area and Chico is very different)

30-35.5 mpg at 55-65 mph. 26-31 mpg at 70-75 mph.
 

· G6 GT member
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30 Posts
08 G6 GT 18,250Mi

First a little background on me:
My first car was a 05 Doge Neon because of the price of the car Vs. the gas mileage.

I did my research and knew that it only had 132hp but I didn't think it would bother me. Long story short; IT DID!!!

That's when I recently got my current G6 GT. I said to myself: "Screw the gas mileage!!! I WANT POWER!!!!!(that I can afford)"

When I got the car, the MPG said 25 but now, after about 250Mi of my driving it says 14 MPG. It's a GM certified vehicle so I doubt there's anything mechanically wrong with it, plus it runs very quiet and smooth.

I love my G6 GT especially because of the suspension and tires!! That 219HP ain't bad either!! XD
 
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