My GT MPG

[EcoSwag1990]

If you drive a GT and get over 21mpg I'm passing judgement on u

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[Todd15Fastback]

If you drive a GT and get over 21mpg I'm passing judgement on u

Not on extended highway trips you aren't.

 

['Merica]

If you drive a GT and get over 21mpg I'm passing judgement on u

:lol:

Not on extended highway trips you aren't.

Yeah, I averaged 24 going to and coming back from Destin, FL from Columbia, SC. About the same as my last BMW that had 230ish hp. I'm happy.

 

[BmacIL]

If you drive a GT and get over 21mpg I'm passing judgement on u

I've made 4 round trips between Detroit and Chicago since I've owned the car, so over half of my 4300 miles is cruising at 75-80 mph. The other half is commuting to work, errands and the occasional fun drive (plus one autocross day). That gets me to 23.5 average overall.

I don't baby the car at all, I just drive smartly, skip gears when it makes sense and have the 3.31 axle ratio.

 

[CJ4life]

What sort of MPG can you expect with 3:31 gears? Looking to get into a base GT, and want to know sort of what my wallet should expect.

 

[Socalmustang]

I drive city 95% of the time, I barely break 13mpg.

 

[113]

If you drive a GT and get over 21mpg I'm passing judgement on u

The judgement will hit his taillights and right back at you.

 

[BmacIL]

What sort of MPG can you expect with 3:31 gears? Looking to get into a base GT, and want to know sort of what my wallet should expect.

See my post above. I've averaged 23.5 mpg with about 65-70% of that being some kind of highway or freeway.

 

[CJ4life]

See my post above. I've averaged 23.5 mpg with about 65-70% of that being some kind of highway or freeway.

That's pretty good. I'd be very happy with that. Is that with a little bit of spirited driving mixed in once in a while? (I understand you autocross, just not sure how much that throws off the average) Also, I have very little knowledge on this, but I thought skipping gears was bad for the engine / transmission? If not, which gears are good to skip? I'm assuming 2nd and 4th.

 

[oilfieldtrash]

That's pretty good. I'd be very happy with that. Is that with a little bit of spirited driving mixed in once in a while? (I understand you autocross, just not sure how much that throws off the average) Also, I have very little knowledge on this, but I thought skipping gears was bad for the engine / transmission? If not, which gears are good to skip? I'm assuming 2nd and 4th.

I wouldn't expect anywhere near that considering the other posts by gt owners in this thread. He seems to be the exception not the rule and by quite a big margin of difference.

 

[CJ4life]

I wouldn't expect anywhere near that considering the other posts by gt owners in this thread. He seems to be the exception not the rule and by quite a big margin of difference.

That's fair. I've seen it ranging from 18 to 24 for the 3:31 gears, and I'd be pretty happy with an average anywhere in that range. I don't drive my cars like a maniac for the most part, there's the odd place on my commutes that beg for some throttle and I oblige, but I'm usually a pretty tame driver all things considered. I average about 26 on my v6 currently, and I know I'll average less in the v8, just want to know it won't be half less.

 

[BmacIL]

That's pretty good. I'd be very happy with that. Is that with a little bit of spirited driving mixed in once in a while? (I understand you autocross, just not sure how much that throws off the average) Also, I have very little knowledge on this, but I thought skipping gears was bad for the engine / transmission? If not, which gears are good to skip? I'm assuming 2nd and 4th.

Yeah I probably go for a spirited drive 1-2 nights a week

Skipping is no harm at all. You just have to make sure you let the revs drop appropriately and then the synchros will have no trouble. I usually go from 1st to 3rd, 3rd to 5th/6th, depending on the speed.

 

[BmacIL]

I wouldn't expect anywhere near that considering the other posts by gt owners in this thread. He seems to be the exception not the rule and by quite a big margin of difference.

:shrug:

I just don't drive it daily like a maniac and this is the result. I also don't drive like a grandma either. There are full throttle blasts several times a day, but I probably keep it in taller gears than many here. The city mileage kills it and I end up at around 18 if I spend decent amounts of time in stop and go.

 

[Barrel]

50-60 minutes to go 18-20 miles = crappy mileage.

 

[CJ4life]

Yeah I probably go for a spirited drive 1-2 nights a week

Skipping is no harm at all. You just have to make sure you let the revs drop appropriately and then the synchros will have no trouble. I usually go from 1st to 3rd, 3rd to 5th/6th, depending on the speed.

Gonna ask you another question because I'm not really familiar with some of this, but wouldnt you want to be revving higher (say 3K) to skip a gear? Otherwise you'll just get close to stalling, no?

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