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gas mileage

I average 102 miles per gallon and about 1800 miles per tank

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Nope its my uphill mileage. U should see my down hill mpg'$

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Last summer I drove to Mantle beach with cruise control set for 76 nonstop through entire tanks. Got 27mpg on each tank!
 


AlanP said:
Last summer I drove to Mantle beach with cruise control set for 76 nonstop through entire tanks. Got 27mpg on each tank!
Click to expand...

Still doesn't compare with my previously stated gas mileage

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Lolololol yeaaaa sure I wish it benefited the car more but it don't

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bhahah i get a whole 14 city in my grand prix :(.... i fill it and the DIC says 250 to empty and i get probably 180 :/
 


i usually get 18.3-19.7 in my gtp according to the dic but i think it should be higher then that since i usually set the cruise to 74-75 on the highway
 
I haven't replaced my plugs in about 60K miles. My town-country driving has dropped down to 21.3 avg. Wonder what inprovement plugs would bring?
 


Car says 150 miles on this tank and my low fuel light on the DIC came on 3 days ago.

So that like 11 mpgs, also been 2 weeks since my last fill up. I bet almost half this tank was burned through idle time because its cold outside and I dont give a **** about fuel economy. ;)
 
I guess I see the benefits of the SE...

I get between 24-26 average.
Usually around 22-24 all city driving.
I get 28-30+ highway depending on cruise. I got 33.4MPG on an overnight trip from Atlanta once when I had cruise set to 64.

Thats why I love my 3.1L.
 
The best I can average city is around 17 to 18 MPG, The best highway was 27.5 MPG in the winter. That was on a trip from Washington DC to St. Louis averaging around 65 to 72 MPH just yesterday. Now on a full tank of gas, I got 420 miles according to the odometer on my GTP with 57K. Don't believe anyone that says they average more than 30 highway. I have 2 Grand Prix, one a GT and a GTP both 2 doors. Now in the summer time with my GT, I averaged about 28-29 on a pretty much flat surface
 
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