GT MPG - First highway trip

[dubster99]

I don't know how you guys are getting these numbers. The best I've seen on the freeway was in the very low 20's. Not that I really care about my mpg.

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[Geotoxic]

I drove through the mountains from LA to Sacremento and averaged 24.6 mpg going at 70+-10 mph

 

[Jaxstang]

That's incredible and why I'm going with the 3.15, 80 at 2000rpm

The angle of the camera makes it look like I was going at 80 but it was really showing 76 from my point of view. 80 is around 2000 rpm in my car too.

 

[cp5899]

The only day I tried to get good mileage I got in the 23-24mpg range on the interstate with the cruise on around 80mph I think. Car is a gt pp.

Everyday before and after that day I get 15.5. lol

I didnt buy it for mileage and with cheap gas right now I'm burning it up!!!

 

[JoeDogInKC]

I drove my GT + PP, freshly ProCharged home from their HQ and averaged 25 MPG highway with speeds varied from 65 - 80 during the trip (~30 miles).

 

[cp5899]

When did you get the procharger put on? Would like to hear your thoughts on it!!

 

[Mikeiscoo2]

I averaged 28.2 mpg over a 3.5 hour drive at 75 mph in 6tg at 2250rpm this weekend. GTPP with 1200 or so miles on it. When i drive back tomorrow i will see if i can repeat the same milage. It is supposed to be -35 celcius tomorrow im not sure how much that will affect things.

are you sure -35 Celsius.. thats almost -72 Fahrenheit. that's pretty hard for me to believe even if youre in canada..

 

[JoeDogInKC]

When did you get the procharger put on? Would like to hear your thoughts on it!!

ProCharger put it on for me. I live about 30 minutes from their HQ. I haven't had much seat time due to weather and timing, but so far, it's fantastic. I may not be the best to explain since I've never owned a boosted v8 before, though. The power delivery is much different than a roots/TVS style system. It feels much more like an older single turbo where it comes on in the midrange and then just pulls like a freight train to redline. The latter happens so fast that I'm going to have to really get used to shifting faster so I'm not hitting it.

I like it a lot for overall drivability. It's very easy to drive and feels very much like it was from the factory for regular driving. When you want the extra power, it's there in spades.

 

[cp5899]

That's awesome. Please keep me posted if you don't mind. Perhaps you can make a thread just for it.

 

[pat5.0]

are you sure -35 Celsius.. thats almost -72 Fahrenheit. that's pretty hard for me to believe even if youre in canada..

Yes we see -35 Celsius in Canada, but in Fahrenheit it's -31 (not -72)

 

[2c5s]

700 mile round trip over the weekend. A6 3.15 @80 mph=23.8mpg

 

[Old 5 Oh]

Overall average after 5000 miles (per Trip 2) is right at 24 mpg. Highway mileage is 25-28 depending upon speed and so forth. GT AT with 3.15s.

 

[NavyChief]

I have 302 miles so far. Just filled up tank. Trip one says 20.2 mpg. Which s with dealer filled gas. When I drove on highway for 200 mile to Portland. I got 25mpg on the fuel gage with changing my speeds from 55 to 80. Every few secs cruise control with click up 1 mph and then backdown again the whole trip. Now that sucked. It was so hard not to floor it. I need to hit 1000 miles fast.

 

[GoodEye]

My average for the last 5 fill-ups have been 14-16mpg. PP w/ 3.73s. The best short stretches on the highway @ 65/70 in 6th have been the low 20s. This car is way too much fun to drive @ 2000rpm!!


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[BayouDude82]

Just did a 600 mile road trip in my RR GT 50th with 3.15s. On the way there did mostly 85-90 mph on the Interstate and averaged a little over 21 mpg. On the way back I took it easy and set the cruise on 77-78 mph most of the way. Averaged 23.5 mpg.

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