Mileage on the 2011 GT?
10-05-2010, 11:38 AM
#13
4th Gear Member
Thread Starter
Join Date: Jun 2010
Location: Illinois
Posts: 1,846
Hahah exactly.
To clarify, the point of this thread wasn't to cry about not getting wondrous mileage, it was just to get a feel for what other people are seeing, just making sure nothing is wrong.
I'm currently trying my best to baby the car until I get 500 miles under its belt and then I can really let 'er rip
To clarify, the point of this thread wasn't to cry about not getting wondrous mileage, it was just to get a feel for what other people are seeing, just making sure nothing is wrong.
I'm currently trying my best to baby the car until I get 500 miles under its belt and then I can really let 'er rip
10-05-2010, 11:40 AM
#14
speed'n
Join Date: Apr 2009
Location: MN
Posts: 2,248
Than thats not so much in city driving as it is highway driving. I can't say much cuz i don't own a 2011 GT but when I asked the dealer what the in-town mpg was he said between 17-18 & between 22-23 on the highway. Idk how true that is but just thrown it out.
10-05-2010, 11:54 AM
#16
speed'n
Join Date: Apr 2009
Location: MN
Posts: 2,248
What are you talking about? hahaha... 3.73's are about 12% steeper than the 3.31's. That said you should see a reduction in MPG by about 12%. Im not sure about 4.10's. No if your looking for better MPG get a sct or diablo handheld and get your stang tuned.
10-05-2010, 12:49 PM
#17
1st Gear Member
Join Date: Aug 2010
Location: CA
Posts: 50
Be sure you're resetting the on-board at each fill-up in order to get the most up-to-date data. If the on-board is anything like the ones in the 05-10's, it's off to the conservative (high) side by about 1-2 MPG. 15.8 is a bit low but could be normal for largely stop-and-go driving. Do a fill-up and then hop on the interstate for about 100 miles and see if that boosts the average by the next fill-up.
For your reference, I modded my 3.7 a bit for MPG. In heavy city traffic, the computer reports that I get 21 MPG. In ideal city traffic, only hitting every 3rd or 4th red light, I get 24-ish MPG according to the computer.
10-05-2010, 01:26 PM
#18
5th Gear Member
Join Date: Oct 2009
Location: Oregon
Posts: 2,645
With stop and go driving, steeper gears MAY help your mileage slightly. The torque multiplication of higher (numerically) gears means that the engine doesn't have to work as hard to get the car moving from a stop. This is why steeper gears give LOWER readings on a dyno. Not because there is power, but because less power is needed to accomplish the same results (moving the dyno roller).
10-05-2010, 02:46 PM
#19
speed'n
Join Date: Apr 2009
Location: MN
Posts: 2,248
Not entirely accurate.
With stop and go driving, steeper gears MAY help your mileage slightly. The torque multiplication of higher (numerically) gears means that the engine doesn't have to work as hard to get the car moving from a stop. This is why steeper gears give LOWER readings on a dyno. Not because there is power, but because less power is needed to accomplish the same results (moving the dyno roller).
With stop and go driving, steeper gears MAY help your mileage slightly. The torque multiplication of higher (numerically) gears means that the engine doesn't have to work as hard to get the car moving from a stop. This is why steeper gears give LOWER readings on a dyno. Not because there is power, but because less power is needed to accomplish the same results (moving the dyno roller).
