The best I've got was 10.65 gallons and I literally coasted into the station.

It is a LOW fuel indicator, not an empty indicator...

 

Thats always my concern. There was a thread in the Vette forum for example showing mileage... but what they were showing is the best 100% pure mileage for 80 miles type of mileage, which is around 32mpg (granted amazing for that level of power and is due to the ultra tall 6th gear putting you at about 1400rpms at 70mph) which is difficult to reproduce if you turn off cruise control or the terrain isn't perfectly flat. People read that and think they'll get that mileage.... no... in the city you get about 16mpg on average. Just gotta take that into consideration.

 

70% highway . 1st tank. brand new 05.. 34.7 mpg stock everything

 

localboy,

i dont think higher octanes do anything to mileage... correct me if i'm wrong anyone

 

I remember the old days in a '72 vintage Subaru where I could run the tank completely empty and still run on gas fumes for another day or so. Nowadays, with all the fuel injected engines, if you run the tank dry you can create a lot of problems and damage to the fuel delivery components.

After a few fill-ups you get a handle on the range you go between fillups and how much gas you pump into the tank. After you determine your mileage you will be able to determine how much further you can safely go after the low fuel light indicator comes on.

 

When my light came on had about 2-3 gallons left. My MPG on my last hwy trip, 33.95 cuising at 70 for 1200 miles or so.

 

You still have Full Service Gas Stations??? Damn, I haven't seen one of them for at least 15 years.

 

If you ever find out how much it costs to replace a fuel pump because you regularly let your vehicle run dry, you'll be glad the low fuel reminder comes on so early.

 

My cavalier, the fuel warning light comes on... about 1/2 mile after you run out of gas. It's actually designed to come on with 10% fuel trim remaining. I think, when it was still working, the actualy trim was 11%.

Many on the GM scene have attributed this to "bad gas" or the additives package at some stations.

I'm going to have a tough time adjusting to the much smaller tank in the xB. My cavalier has a 15.2 gallon tank, and on the highway (long drives) I can get 450 out of a tank fairly easily. Pushed it to 502 once and literally costed up an exit ramp, down the hill into a gas station.

at 11.9g on the xb, I would guess you can get around 12.5g in at empty (filler neck, etc). at 30mpg, that still puts me around 375 road trip miles. I can live with that.

 

I empty my tank out.

I drive a good 30+ miles after the light comes on.

I've taken an average ammount of miles you can do with your lovely xB on a full tank of gas. You can go at least 280 miles for a full tank of gas. As long as you don't rev... hehehehe

 

I never had the lite go on I too fill up at about 1/4 tank