Just got my tank filled up for 1st time since getting the new wheels.....got 18mpg!
What are others getting?

- city 12-14 mpg(supreme), highway 16-17 mpg

I get about 14.5 mpg city and 17.5 on the highway.

seems i get 14.5 everywhere...

You all must wear steel shoes! I get 14mpg in my H1!

Normal driving cty/hwy avr 16-17 mpg
little hard driving 14-15
baby it on highway w/cruze 1/2 the time 18-19.

18 MPG MOSTLY HIGHWAY

H3-o Hawaii
How come the H1 highway in hawaii is considered a interstate .
Also How much would it cost me for a small house in hawaii. i just might retire early and Hawaii could be the place (As long as i can get my H3 and 442 and bikes over there

I'm up to 4500 miles now, and I've checked mileage on every tank. Best has been 18, worst 16. Almost all were right at 17. Mixture of highway/city driving, but not a whole lot of stop and go traffic.

There are three interstate highways on Oahu. They will connect to the US when Hawaii becomes a state (jk). Avg prices are in the $500k range.

BTW I am getting 14 mpg.

14.5 miles city with 20 inc wheels

Automatic..Was doing 19.5 Hwy and 15.5 city..changed to Mobile 1 at 3000 miles.. Now with 5000m getting 20Hwy and 16 city.. Oh yes its flat here in the Florida panhandle and I am old and slow!!!Have checked every fillup.

I've yet to break 13mpg. I know I have a heavy foot but that seems a bit low to me.

Yep, 28,450 miles here and a consistent 18 mpg on the highway - mostly all highway lately.

There's a difference in MPG with the base and with the adventure package. I was getting around 18-19 with the base, 16 with the adventure. Must be the tires. The base also accelerates better.

Its funny how they dont rate them differently. I wonder if they ever tested adventure mpg or
0-60 , 1/4 mile times ,braking ect.They probobly based all info on lux or base

All - I'm getting a consistent 15 mpg in mixed suburban driving around Silicon Valley. I've only done one coastal highway trip (not all freeway) and got 18 mpg.

Hummer Jim - what speed did you generally cruise at when you got 18mpg. I plan to take some road trips later which means cruising at 80 mph in central California. What type of mileage should I expect?

firm - I'm not surprised that the base accelerates better on the street (in high range) because of the significant difference in tire diameter. Of course in low range the adventure package will accelerate and climb better because of the shorter gearing.

Steve
H3 white/ebony, auto, lux pkg, chrome pkg, chrome wheels, XM, sunroof, chrome side steps, hitch, mudflaps, etc.

Is it better for gas mileage to use the cruise control or not? Also, how are you guys getting different numbers for your highway and city driving. I do a mix of both, so it's hard to estimate when I check my mileage at fill-up time.

It all depends on your driving habits. The cruise control will generally want to down shift a lot in order to maintain the speed that you have set (that’s of course its job in life). This is especially true if you're driving on a hilly road. If you're looking for MPG over constant speed, then you're better off by controlling the accelerator yourself and letting your speed drop down on inclines (and therefore not down shifting as much as the cruise control would otherwise do). If you have a heavy foot on the highway (never letting your speed drop below the speed limit and downshifting a lot), then your MPG could actually be better with the cruise on.

Steve San Jose - I can tell you from my experiences in the Yukon where the roads are long and straight and the traffic is sparse that cruising 65 mph you will get in the 18s on flat pavement and crusing 80 mph you will get in the 16s - wind resistance is a big factor and the frontal area creates a lot of drag- induced and parasitic. My best ever was north of Whitehorse on the long (95 miles?) gradual downhill straighaway with a brisk tailwind running 66 mph with the cruise- an honest 20.2 mpg. I have the base, and I have heard mileage is not quite as good with the Adventure. I had so much fun up there I'm planning another trip only earlier in the summer for 2006 - late July probably.

I can say that my average of 18+ for highway driving from MI to TN in Sept, consisted of highway speeds around 75 from MI to TN, and in TN at 80 mph.
Almost the entire trip was set with the cruise on. From MI to KY is primarily flat, from Louisville KY, to Elizabeth Town KY, is hilly, from Elizabeth KY to TN border is primarily flat with a few rolling hills.
From the TN border Northern Nashville is flat with a long decline at Ridge Top. From Northern Nashville to Centerville, is hilly.
Trip home produced almost the same identical mileages.
This was on a new engine, not even broke in, temps were anywhere from the 60s to the 80s.

with 4k on my automatic I get 16 around town my commute is 25 miles and about half freeway and half city I average 18 and thats going 70 on the freeway. On a run back from a trip to pismo truck loaded and 40 psi in tires got 21.5 mpg cruise was set about 63 and openroad for 200 miles was very pleased . So if your not in a hurry and run your tires a little high on pressure you can get over 20 mpg with an automatic .

Wow my first tank of gas got about 12 - 13 mpg mixture of City / Highway driving. This time I filled up with 89 and well see how that does on the second tank. Hopefully gets better when the engine gets broken in.

First two tanks got 16.5 on 87.

I was tracking it for about 8 tanks.....12-15mpg city/14-16 highway...but I have a very heavy foot...mostly 75-85mph on the highway. I was a little dissapointed, but in the end I just said "scr** it!"...it's Got2B cause of my heavy foot! I've very much enjoyed the way it drives.

what grade fuel is recommended in the H3? I'm new and considering buying an H3 in the coming months..

Per the manual, regular. No problems running regular on my H3 for 6 months.

S.

thanks for clarifying... was expecting to hear that you needed to run like 89-91 octane for optimal performance....

Most accurate way to check mileage? Fill up, set 0 on trip, then drive, wait till empty and divide mileage by 23?

Is there a more accurate way?

not even close.

fill up, keep up with mileage, fill up again, divide the amount of fuel it took to fill back up into the total mileage on the previous tank and voila.

Do that on a couple of fill ups and you know what your average is.

BigDog

what do u do when u run out of gas?

RYD

filled up for the first time the other day got 16.8 city/highway. if you have the adv pak the highway miles is poted at 19 instead of 20 for base pkg

It you calculated your mileage correctly, I think you got the highest mileage anyone has gotten out of their first tank.

15 mpg Highway/city combined with the stock 265's, I'm looking to go to 285's let's see what happens.

1. first tank before all my mods = 16.8 mpg/city

2. after marker lights, sidesteps and splash guards = 14.7 mpg/city

3. SMA brushguard and fog lights = 14.2 mpg/city

4. 35's = 12.8 mpg/city after my first tank.

5. Gobi rack and offroad lights (next) = ??????

My mileage has crept down lately to about 14.7 mpg (from 15) running around Silicon Valley (city combined with fast freeway driving). I consider the mileage to be acceptable for this type of truck running on Chevron regular.

My H3 was purchased in July and now has 15K miles. Tires are stock 32".

S.

About 6.5K, and 15-16 MPG. Nothing to write home about. But then again, I do run it agressively around town...and why not...it's YELLOW!

You would have thought that the 5cyl engine would have provided more results. Especially given the available power. Dissapointed. I guess I'll have to upgrade to the Alpha, or the TD when it arrives...that'll show 'em!

15 all around, and I'm not easy on it.

Okay, I've got just over 800 miles on the H3 and just finished my first mileage check. Right now with mostly local and a few 10 mile jaunts on the interstate I'm showing 15.778 mpg.

My F-150 5.4 V8 that I traded was getting 13.8 mpg local.

6600 miles.
As low as 11 mpg around town for a daily 6 mile commute.
15 mpg doing 80 mph.
21 mpg doing around 55 mph.

Cruise control supposedly gets better gas mileage because a human foot keeps moving just a little and thus pumps unnecessary gas in.