I sitll haven't had my first fill-up, so I can't answer. But I just wanted to chime in, for those of you letting you car sit idle to "warm up" in the morning, that's doing nothing but ruining your mileage. You never want to let the engine sit and idle like that more for than like 30 seconds. The engine will warm up much more quickly if you actually start driving it. Keep the gas pedal light until it's warm, yes, but it should help those mileage numbers as well as the engine itself.
Posted this elsewhere, figured it fits here as well:
I get good MPGs (17.5-18.5 MPG) from 55-65 mph but would never go that slow.
I rarely get 17.5 mpg at 70. Usually a hilly interstate or headwind knocks me back to 16.5'ish where I cruise (~72).
I was driving between San Antonio and Austin on that new 85 mph toll road at night with no wind and it's pretty flat and got 14.5 MPG.
I gave up planning MPGs with my truck since the wind can make such a huge difference. Was driving through northern Missouri/Iowa/Minnesotta the other day against a good head wind and only got 12.5 MPG at 72 MPH the whole damn way. Could almost watch the fuel gauge go down it was so bad.
Driving through Arkansas on the hilly interstates I get around 16.5 MPG regardless of wind (generally not that windy).
So, short version: mine is all over the place and sucks unless I go 55-65, which I'm not doing, so I learned to have a bigger fuel budget.
Tire pressure hasn't made too much difference for me vs. the wind and/or hills. Tried 35 all around and 30/32 (or whatever the door jamb says).
In town I get 11.9 usually and maybe 12.3 if my wife is riding with me a lot.
I just went to Gatlinburg and back from Louisiana and I everaged about 17.4 MPG about about a 1300 mile round trip doing 68-71 there and back. lol in the mountains I averaged about 14
__________________ BLACK TUNDRA CLUB MEMBER 199! L.T.O.G.M. #18
2013 Black Tundra DC 4x4 Louisiana Edition 5.7L V8 FFV
-2008 KTM XCFW 250
Racing Accomplishments to date:
(2011 1st overall Novice Off Road Cup, 2009 LACC Novice Lites Champion and 2007 SERA 4 stroke C Champion)
My 09' RW DC averaged 15.5 mpg, stock with a TRD intake.
With my 12' RW Crewmax I'm only averaging 14.5 stock with my TRD inatke. I chalk up the lower mpg to the extra weight of the crewmax. I also only have 5000 miles so there may be a little more break-in to go.
I dont baby the thing by any means, I use passing gear probably every day but I rarely floor it. My driving is half highway at 70mph, half in-town.
2012 Cremax Rock Warrior - Magnetic Gray
- TRD Intake
- Diehard Platinum Battery
On cold days (-30 F) Im getting about 14.12 mpg and thats with a sheet of cardboard blocking all the cold air so my engine can warm up. During regular temperatures (59 F) Im getting on average 18.8 mpg
I average 14.5 (mostly highway miles at 80mph) in my '08 Crewmax Limited 5.7 4x4 (not flexfuel) And this is by calculating on my own.. Computer says 14.3 or something like that..
08 Silver CrewMax Limited 4x4:
aFe Stage-2 Si PRO 5R Intake, OBX Long Tubes, Magnaflow high flow cats/rear cat delete, Magnaflow 16782 cat-back exhaust, StopTech drilled/slotted rotors w/ StopTech performance street pads, StopTech stainless steel braided brake lines, BHLM, 6k HID's, 2012 Front grille painted to match with upper/main/lower black billet grilles, 2012 front bumper valance, Recon LED Taillights w/ LED 3rd brake, Complete white LED interior lighting w/ lit floorboards
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