kwk39018 Posted May 18, 2008 Report Share Posted May 18, 2008 I was just wondering what you guys/girls are getting for gas mileage. Obviously motor will make a little diffrence in mileage. I have a 3.1 and i getting about 23mpg average(city/hwy).That seems to be good to me.Any better Or worse? thanks Quote Link to comment Share on other sites More sharing options...
jmoore4294 Posted May 18, 2008 Report Share Posted May 18, 2008 15 city. 3.4. And all my driving is city. Quote Link to comment Share on other sites More sharing options...
oldscsc Posted May 18, 2008 Report Share Posted May 18, 2008 Still have to check...next couple of fillups. I baby it like none other, pretty sure I'm getting over 30 MPG. Quote Link to comment Share on other sites More sharing options...
19Cutlass94 Posted May 18, 2008 Report Share Posted May 18, 2008 Well considering I live off the main drag here, and most of the speed limits are 40+, my last tank of gas ( going 50mph and below ) was 23.9MPG. Thats a cammed 3400 w/port and polish running on the 3100 PCM. Quote Link to comment Share on other sites More sharing options...
Addicted To Boost Posted May 18, 2008 Report Share Posted May 18, 2008 I am averaging a little over 30 MPG in my 89 GP SE 2.8 5-spd. I drive it gentle for the most part, with a lot of city driving, but I hit redline at least once daily, and it has probably 4 races and a couple 0-100 runs on it. 30 MPG on the tank with all that. I'm sure it would be better mileage without the fast/high revving Quote Link to comment Share on other sites More sharing options...
ns87 Posted May 19, 2008 Report Share Posted May 19, 2008 22/23 highway. I think my rear brakes are sticking and holding me back (literally) Quote Link to comment Share on other sites More sharing options...
MonteCarloChick Posted May 19, 2008 Report Share Posted May 19, 2008 I have no idea what my MPG is. I never cared to see. The dealer sticker said 20/29. It's well over 10 years old now so I assume that's gone down. Quote Link to comment Share on other sites More sharing options...
Euro Posted May 19, 2008 Report Share Posted May 19, 2008 23mpg city for a 3.1 is pretty good. That's about what I saw on my old Lumina. I saw anywhere from 30-36hwy with it as well. My GP, when it's running right, will do about 20-22 with non-highway driving(but not downtown, short trip driving) and probably 28-33hwy. Quote Link to comment Share on other sites More sharing options...
89GranSport Posted May 19, 2008 Report Share Posted May 19, 2008 My '89 3.1L usually gets 21-22 MPG in the city, and 26-28 MPG on the highway. Quote Link to comment Share on other sites More sharing options...
1990lumina Posted May 19, 2008 Report Share Posted May 19, 2008 My 3.1 in my Lumina gets 20 city sometimes..it isn't running properly however. A year ago it used to get 24 or so in the city. Quote Link to comment Share on other sites More sharing options...
Euro Posted May 19, 2008 Report Share Posted May 19, 2008 when I was out at school, just going to work and to the rec center....my dic was saying 15mpg. That hurt a little. Quote Link to comment Share on other sites More sharing options...
Rdrckt_92 Posted May 19, 2008 Report Share Posted May 19, 2008 my 92' 3.1 and my 00' 3100 both get about 23-25 in town, the last I checked the '92 was getting about 30mpg highway Quote Link to comment Share on other sites More sharing options...
89SupremeCutty Posted May 19, 2008 Report Share Posted May 19, 2008 im getting about 27 mpg in the lumi. Quote Link to comment Share on other sites More sharing options...
mihela816 Posted May 19, 2008 Report Share Posted May 19, 2008 Before I sold the Lumina, I was getting 17/23 with the 3.1 and 3-speed. Quote Link to comment Share on other sites More sharing options...
per0781 Posted May 19, 2008 Report Share Posted May 19, 2008 both my cars get the same Quote Link to comment Share on other sites More sharing options...
01GPGT Posted May 19, 2008 Report Share Posted May 19, 2008 mine varies based on how im driving, but i usually try to calculate it every time...my all time worst was 13.7 in mixed driving and the best ive seen is 22 in mixed driving...i do about 50/50 city highway....3800 series III Quote Link to comment Share on other sites More sharing options...
Drummer Posted May 19, 2008 Report Share Posted May 19, 2008 i get around 25 with my 3.4 5 speed Quote Link to comment Share on other sites More sharing options...
GJD5 Posted May 20, 2008 Report Share Posted May 20, 2008 My 96 GP is averaging 23.9 with a basically stock L67 and factory 4t60e 3.33 gearing. I have 245 50's also. I do about 50 /50 city and highway driving. Quote Link to comment Share on other sites More sharing options...
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