With about 3000 miles on my new smart (I commute in Montana about 50 miles round trip 5-6 days a week.), I am averaging 42 mpg city and about 52 on longer trips. I wonder if I might be the first person to run OUT OF GAS in my smart!! I was not paying attention to the gauge, and boom! OUt of gas! My friends laughed so hard! That's the only thing I wish was different---I wish the gas gauge would chime when it got down to the reserve amount in the tank. Just intermittently, not constantly. I am having trouble keeping the car under 80 mph! Love, love, love!

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Comment by Stuart Berman on June 26, 2008 at 3:09pm
When they say 1.3 reserve it means the last 1.3 of 8.7 causes an indicator to light. The last 0.x is unusable perhaps 0.2 or 0.3 gallons.
Comment by Pat on June 26, 2008 at 2:54pm
Stuart, I believe you are right, the most I have put in the tank is close to 8.7 gallons, but I thought the manual mentions a 1.3 gallon reserve which made me wonder if it really holds 10.0 total and you could still drive a bit once you got to zero. Since Leslie mentioned actually running dry, I am curious if it went below zero or how long you could go at zero and if on filling it up it actually took more than 8.7 gallons? If anyone else has run it dry or has put in more than 8.7 gallons it would be nice to know in a pinch.
Comment by Stuart Berman on June 26, 2008 at 12:36am
I have over 5,000 miles so that is pretty hard to believe ;)

I found the more you drive it the more you love it.
Comment by Leslie Davis on June 26, 2008 at 12:21am
Thanks, Stuart. No wonder I don't see it most of the time! And it's great to know the numbers indicate actual gallons remaining. Duh. I still love my smart more than any of you!!
Comment by Stuart Berman on June 26, 2008 at 12:07am
The decimal point only appears when you get to the final gallon of gas. The trip meter display is replaced by a gas pump icon and the fuel level appears in its place as 1.0 (gallons). Then it slowly goes down towards 0.0 in 0.1 increments.
Comment by Leslie Davis on June 25, 2008 at 11:22pm
I actually have never noticed the decimal part of the gas gauge, because it is hard to read, at least for me. I'm pretty sure I have the background light on max. So I just follow the black line as it grows smaller. I'll try to check for it next time I fill up.
Comment by Gerald Thomas on June 25, 2008 at 9:04pm
My daily commute is about 3 miles on a 50mph speed limit road (with 1 or 2 red lights) followed by about 20 miles on the freeway (70mph). I've seen 37 to 41 mpg per tank between fillups. My overall mpg for the 3200 miles I've driven my smart is 39mpg.
Comment by Richard Olson on June 25, 2008 at 7:20pm
We absolutely love ours. Our intention was to just drive it around town, for errands, tow behind the motorhome, etc. and we like it so much our oversized autos are sitting in the garage and we are driving the Smart everywhere. The gas mileage is great, parking is a snap, it rides smooth and drives like a champ.
Comment by Stuart Berman on June 25, 2008 at 4:25pm
From other forums I understand that when you get to 0.0 the tank will hold 8.7 gallons. Some people get more fuel by virtue of 'topping off' which means that fuel fills the filler neck (and can damage the emissions control components).

Pat, I suspect that you might have had the gas pump shut off prematurely due to the way gas pumps work. When I lived in California the fuel vapor return systems on gas pumps could get finicky depending upon a variety of reasons such as car fuel connection, gas pump hoses, etc. In Michigan I have never had this problem the pumps tend to shut when the tank gets close to full. I usually put the gas pump handles on the first notch and let it fill until the handle clicks off. This gives a slower fill but one that does not stop too early.
Comment by Pat on June 25, 2008 at 4:05pm
I am curious too if you have any reserve when you hit zero. I actually got to .1 and went about three miles before filling up and only put in 8.2 gallons. I have an 02 Prius which I ran dry once, but with the electric motor I went about two miles to a gas station. Naturally they don't recommend that.

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