Alright people, this is my first post in this forum and would like express my eagerness for learning new things as a member of this forum and hopefully as a soon to be owner of a G35x. I thought I would be bold and start off with a poll. I understand that MPG has been talked about at length and many of you are probably tired of seeing new threads about it. I want to take a more organized and narrower scope this time. Below are four driving styles borrowed from a website that I contribute information to. Please, simply select which driving style you feel describes you best AND include your City/Highway/combined MPG if you know it. Also, please include what tranny you have and if AWD is a factor.

1. Ultra-light foot - you maximize fuel economy
2. Light foot - you keep up with other cars
3. Medium foot - you pull a bit ahead of others
4. Lead foot - you leave other cars in the dust

 

i have an 04 sedan 5at rwd and i drive as fast as i usually can ( thats is not to say that im just a stupid kid in a fast car, i drive normaly just faster then anyone else)
i am a very lead foot person and i do mostly city driving and in san francisco that show at the pump
i struggle to get 15+ mpg it usually at 13-14 if not less
but get out on the highway distant cruise and my mpg shoots up to 20

its all about the way you drive
im not sure if awd is a factor though

 

What ment when I wrote "AWD as a factor" was is your car an AWD G35.

 

oh i thought that you wanted to know if awd affects the mpg

 

medium foot, AWD 5AT, 75-80 on highway... i do probably 75% highway and I get 19mpg in winter and 21-22 in summer

 

I am getting 22mpg per tank with 70% highway 30% city. City kills it ha, if i was 100% highway I would prob be up to 26mpg

 

ccc123pm - do you turn on the snow mode during the winter? Does that explain the increase in fuel consumption or is it more to do with slippage until VDC kicks in?

 

There are several factors that go into decreased MPG during winter including more AWD use, colder air, longer engine warm-up times, decreased tire pressure, winter blend gasoline, etc.

As far as my MPG, I don't keep a log, but it averages in the high teens to low twenties with mostly city driving.

 

I agree with the decreased tire pressure and longer warm up times but wouldn't cooler air mean that the A/C doesn't have to work as hard to keep the engine cool. And I didn't know there are winter blends for fuel. What's the difference?

 

Almost never have to use snow mode... only have to use it if my parking lot isnt plowed yet....

I would say the difference in mpg is because in the winter I warm the car up for a 1-2 minutes evertime i turn on the car, and winter gas...

 

Hmm, the A/C doesn't keep the engine cool. Also, a cooler engine is the same idea as longer warm-up times. I believe the ECU sends more fuel to the engine until it reaches normal operating temperature...this will obviously take longer if it's cold outside. I believe the air/fuel ratio is also adjusted due to colder air being more dense.

As far as gasoline goes, there are summer and winter blends. It's been a while since I've read about it, but the main difference is in the Reid Vapor Pressure. Basically the summer gasoline has different additives to prevent evaporation during hotter weather. Not sure if it's due to the lower vapor pressure or specific additives, but the summer blend has slightly more energy resulting in better gas mileage.

 

Hmm...live and learn I guess. It's no secret that I am not mechanically inclined which explains the misguided A/C comment. Thanks for setting me straight. And I never would have thought about gas evaporating in hotter months. Makes perfect sense though. Keep the wisdom flowing!

 

AWD, automatic (although I'm using manual more often now) 20-22 MPG with 80% HWY (although much of the HWY is gridlock, so it feels more like 60%)

since you're in Utah, you best get the AWD, otherwise, if you slip with a pregnant woman and she miscarries, you could be charged with murder....

http://abcnews.go.com/Health/utah-ab...ory?id=9955517

 

I stopped looking at my fuel economy a looooong time ago. I'm lucky to get a 2 in front of my number most of the time.

 

I'm getting 21-22 combined with 80% highway and medium foot cruising at 75-80mph. 5AT with 112K.