Alright,Explain this one to me please.

Alright everytime i fill up my gas tank to full,after i hit 3 quarters left in the gas mark, i have 160 miles(maybe 10 miles more or 10 miles less) however when i hit half a tank mark , i only get about 100 to 120 miles on that quarter of tank. Then the same on one quarter of tank left. Anyone have any idea why ? Maybe there's like a gallon or two in the gas line to the engine ? One time i got like 480 on a single tank of gas, that's when it just went under the last quarter of gas left mark. Maybe I'm crazy, :)

480 miles on a tank of gas seems a bit high.. how many gallons do you have?
26 or 34?

I know I can get about 220-250 miles by the time I hit 1/2 tank.. but can only really get about 300-350 on the tank (getting gas when the light comes on). This is hwy miles

I have a 34 gal tank. I average about 300 to 325 mi to a tank. My fuel light comes on when there are 5 gals left in the tank (equal to about 50 to 55 mi remaining). Its the 5 gal "reserve" that throws the guage off slightly.

What do you mean by throwing the gauge off slightly?

Mine does pretty much the same thing. About 200 miles the first 1/4 then another 100 for 300 miles at half a tank. Then, from 1/2 to 1/4 I can get another 200 or so miles. Normally get about 500 miles give or take 20 at 1/4 of a tank. But, it is the 32 gallon tank on a v6 driven mostly highway at 55 mph. Gotta love country roads.

not knowing by facts what i am talking about but most tanks are not square so some of them have bigger top sides then bottom sides. I haven't looked at any newer silverado tanks. But it meassures depth and not gallons. My girlfriend asked the same thing about her integra. The first half tank goes faster then the second half. She didn't understand my logic so my smart answer for her is don't drive on the first half tank its ripping you off.

Mine does pretty much the same thing. About 200 miles the first 1/4 then another 100 for 300 miles at half a tank. Then, from 1/2 to 1/4 I can get another 200 or so miles. Normally get about 500 miles give or take 20 at 1/4 of a tank. But, it is the 32 gallon tank on a v6 driven mostly highway at 55 mph. Gotta love country roads.

I am not saying yout lying or anything, but I highly doubt you are getting 500 miles on a tank of gas. considering the V6 get almost the same gas millage as the V8's. you may want to check that again. That V6 has to work harder to move the same mass that a V8 can move easier, therefore less stress less gass.
But if you are correct.. then that's great! But I have read several posts on here where the V6 does not get that much better gas millage than a V8.

I think 500 is reasonable. Well actually bad. He has a 32 gall tank right? Thants barely 17mpg or somethin. I have a 5.3 and the most gas I have put in my tank is 24.1. I got 476 miles on that tank. It was intersate driving about 70 to 75 mph

I think 500 is reasonable. Well actually bad. He has a 32 gall tank right? Thants barely 17mpg or somethin. I have a 5.3 and the most gas I have put in my tank is 24.1. I got 476 miles on that tank. It was intersate driving about 70 to 75 mph

how many gallons did you fill up with after you drove 476 miles?

21 to 22 gallon not for sure but somewhere inbetween them 2 numbers

21 to 22 gallon not for sure but somewhere inbetween them 2 numbers
That is over 21 mpg.. you stated earlier in another post you never get over 20.

There must be someting wrong with my odometer reading.. because I can barely get 400 miles on a tank and that is on flat road with the cruise control on. Do you have a cover on your bed?

Sorry for dominating the board.. I am really bored at work and it's fun talking to people on here :)

Normally, I get between 17 to 19 mpg. When I filled up this week it was 19.35 (I still have the reciept from the pump and write the mileage down at each fillup). Have gotten as high as 22 or 23, but only on long road trips with a 55 mpg speed limit which isn't uncommon in rural NC. I have never let the fuel light come on, I always fill up at about 1/4 of a tank and it's gone about 480 miles, so I don't know how far I could push it.

You are correct, the v6 does have to work harder to get the large mass of a truck moving, hence the sticker for the v6 has a lower epa mileage for city driving than the v8. I think it was 16 or 17. But, at highway speeds, which is 90% of what I do, it makes up for it and may get better mileage than the v8. The sticker said 22 (I think) for highway and I have gotten that a time or two. I've talked to people who said they got 25 or better with a tonneau cap, and that would be amazing. The worst I ever got was 15 and that was after being stuck in traffic in Raleigh for 5 hours going about a cumulative 3 mph. The trick is not to drive with a heavy foot, hard as that may be when grandma is in front of you going 30 mph on a two lane road where you can only pass during 100 feet of every mile.

For the average driver, I would say that probably all the engines availible would get within 1-2 mpg of each other because people do a mixture of city/highway driving and it tends to average out between the v8 higher efficiency at stop and go and the v6 higher efficiency at highway.

BTW, I just checked and my tank is pretty square, well rectangle, it looks like.

Maybe it's like that guy in the old days of nascar who bent the rules about the size of the gas tank in the car by having fuel lines run all over the car to get extra capacity. That's the story I heard anyway.

BTW, I just checked and my tank is pretty square, well rectangle, it looks like.

Maybe it's like that guy in the old days of nascar who bent the rules about the size of the gas tank in the car by having fuel lines run all over the car to get extra capacity. That's the story I heard anyway.

Your talking about "Days of Thunder" with Tom Cruise.. I like that movie :D

my bad i was thinking somethin else actually just above my 21 to 22 reply i put 24.1 at 476. Sorry I am at work myself messing with work hour numbers here.

oh i forgot a part I do not have a cover It is bone stock and it was on mainly flat ground, interstate.

wr parks where do you live at in NC. I am in jacksonville

I drive mostly highway miles. That one time it did happen was just luck, i don't know. I believe it's a 24 gallon tank. Now it was low,however the gas warning light never did come on. I was reading on the board a few months ago how a guy keeps his rpm below 2 rpm to save gas. After reading that i gave it a shot, i'm getting about 17-19 mpg depending on the people i drive next to that week. I already check my MPG everytime i fill up,matter of fact i have a calculator in my truck just for it. I know maybe i'm crazy,but i ahve a system. fill up tank,check tires, come back next week ,repeat.

Hey careless thunder. I live in Clayton now. Just outside of Raleigh on hwy 70. My sister and brother in law ran a few restaurants in Jacksonville for a while, I think they still have one on base there. The andy's chain of burgers and cheesesteaks. I grew up in Mt. Olive about an hour from jacksonville.

oh ok. yeah i like andy's.

I've got the Crew Cab with the 4.8 and I can get 400 miles out of a 26 gallon tank. I usually put 22-23 gallons in it, therefore, I am gettin appr. 18.1 miles to the gallon. That is in a crew cab.

I am going to fill up today. This weekend I pulled a 14 ft boat the whole time so I am going to see how much I got. I have just under quarter tank and about 330 miles so far. I love tellin FORD guys about the gas milage I get. Especially the 13 to 14 mpg on the highway that they get

I am not saying yout lying or anything, but I highly doubt you are getting 500 miles on a tank of gas. considering the V6 get almost the same gas millage as the V8's. you may want to check that again. That V6 has to work harder to move the same mass that a V8 can move easier, therefore less stress less gass.
But if you are correct.. then that's great! But I have read several posts on here where the V6 does not get that much better gas millage than a V8.
I belive him because I turned 500 mi tonight and still have a half a tick above a quarter of a tank. All ya gotta do is drive the speed limit. My normal commute is 10% county roads, 80% 55 mph hwy, 10 % 70 mph hwy with out many stop lights. (my last truck got traded at 105K with the original brakes)

ok filled up and got 16.5 pulling a boat the whole time except for 30 to 40 miles. I was running it pretty hard durning then to

I have a v6 with tonneau cover tune and I can only get 18 mpg max. The first 1/4 tank 135 miles half 250 then it goes quick.

I have a v6 with tonneau cover tune and I can only get 18 mpg max. The first 1/4 tank 135 miles half 250 then it goes quick.

If I can get between 220-250 miles by 1/2 tank then I am going pretty good. But like you said.. after the 1/2 mark it goes by pretty quick.