What is the average MPG - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 06-20-2005, 02:37 PM   #11
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16-20?? Wow!! I'm getting about 21, primarily city. And I was complaining about that.....
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Old 06-20-2005, 02:44 PM   #12
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Quote:
Originally Posted by MOS95B
16-20?? Wow!! I'm getting about 21, primarily city. And I was complaining about that.....
Yeah I do about the same as you....

They are rated for 19 city... and 29 hwy.... I think the 96-97 bonnies were rated for 30 hwy...

Gennerally if your car is in good running order( no redlining all of the time ) you'll do 20-21 in town, and 29-32 or 33 on the road.... These cars seem to usually exceed the sticker rating by a few MPG... Look at some of the 3400 V6'*, some are rated at 32 mpg( sticker rating ) hwy, I'll bet they can pull a 35mpg.... Thats better than some 4cylinder cars

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Old 06-20-2005, 09:35 PM   #13
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Quote:
Originally Posted by jr's3800
Quote:
Originally Posted by MOS95B
16-20?? Wow!! I'm getting about 21, primarily city. And I was complaining about that.....
Yeah I do about the same as you....

They are rated for 19 city... and 29 hwy.... I think the 96-97 bonnies were rated for 30 hwy...

Gennerally if your car is in good running order( no redlining all of the time ) you'll do 20-21 in town, and 29-32 or 33 on the road.... These cars seem to usually exceed the sticker rating by a few MPG... Look at some of the 3400 V6'*, some are rated at 32 mpg( sticker rating ) hwy, I'll bet they can pull a 35mpg.... Thats better than some 4cylinder cars ;)
I've owned 3 GM'* with the 3800 series and i always managed 35-40mpg highway, these cars would take me very far on one tank.
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Old 06-20-2005, 09:50 PM   #14
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Up to 40 MPG? Not calling BS, but I don't belive it.

I've been around 3800'* since 1989, and none of the 10 have ever done better than 30 mpg.

L27'* L67'* L36'* whatever an 89 is...
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Old 06-20-2005, 10:34 PM   #15
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A"long way" isn't the same thing as doing the math. 40 mpg is wishfull thinking. You gotta do the math to really get a good idea as to what your mpg really is. I have gotten 31-32 mph on the highway.
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Old 06-20-2005, 11:42 PM   #16
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40 mpg x 18 gallon tank = 720 miles.

Really that far on one tank?
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Old 06-20-2005, 11:57 PM   #17
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the best that i have done is 35mpg, and i average 29-31. I take 2 500 mile trips every year. this week I took a 400 mile trip and got 27, but drove about ~35 HARD city miles before the trip. then I made the trip again and got 29 all highway except for the ~10 miles in the city with Kenn
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Old 06-21-2005, 12:58 AM   #18
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Quote:
Originally Posted by jwikoff99
40 mpg x 18 gallon tank = 720 miles.

Really that far on one tank?
Me and a friend have attemped to do the math but never got very far, So maybe not 40 cause that does sound rather unreasonable but i'm gonna guess atleaste 33. compared to what i drive now its like i could have gone to the moon and back in my GM but with what i own now it takes me almost a whole tank to get from work and back (about 54 miles each way and its all highway)
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Old 06-21-2005, 01:02 AM   #19
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DIE MPG THREADS

Search MPG....
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Old 06-21-2005, 01:24 AM   #20
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ahhhh...perfect timing

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