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Other low consumption vehicles would include:

Toyota Yaris - 29 city / 36 highway / 32 combined
Toyota Corolla - 28 city / 37 highway / 31 combined
Honda Fit - 28 city / 34 highway / 31 combined
MINI Cooper - 27 city / 36 highway / 31 combined

Aside from the smart, these are the only four non-hybrid cars to crack 30mpg combined under the EPA's new 2008 guidelines.

Another benchmark is the EPA's estimated annual fuel cost (which takes into account differing fuel grade requirements). Assuming the smart is rated at 33 city / 40 highway / 36 combined and requires premium gas, you would get:

smart fortwo - $1254
Toyota Yaris - $1310
Toyota Corolla - $1352
Honda Fit - $1352
MINI Cooper - $1458
 

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Not happy with MPG News, although not official

The previous(last 6 months) 40+ MPG discussion is what I've been clinging to, hoping that it would be much higher for highway. Now that under 40 closer to 33 MPG in the city is being discussed, I'm very disappointed! What is everyone else thinking?
 

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IMHO we'll prolly be above those figures. Also notice that in another post...ALL car's figures are down from 2007 and our Smart is still significantly above the rest. :)
 

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Tracking some information from the UK, there seems to be consensus that the 451 smarts will easily exceed their UK/Euro established figures if driven moderately. But they will come in much below them if pushed hard. That we all expect to some degree, but the numbers suggest there can be quite a difference between the two scenarios.
 

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The previous(last 6 months) 40+ MPG discussion is what I've been clinging to, hoping that it would be much higher for highway. Now that under 40 closer to 33 MPG in the city is being discussed, I'm very disappointed! What is everyone else thinking?
Yes, it is sad that a car, that is 1000 lbs (almost 40%) lighter than its nearest competition, can't bust into the 40s for avg fuel economy.
 

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Keep in mind the shift in how the EPA gets its numbers; the 2007 EPA numbers puts the smart into the 40s. The Canadian numbers are what? The 50s? It's all on how you run the numbers.

One of the reviews had a link to how the EPA does its tests (I don't have time to look for it now), part of it, if I read it right, is highway speeds at 80 MPH - my guess something that'll cause a hit on the smart.
 

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fishrdnc hit the nail on the head. Driving style is a critically important factor in overall gas mileage.

The new EPA test in particular, is especially unfavorable to small cars. It requires them to be driven, relatively, much harder than their larger counterparts. That may be a realistic representation based on how the average American drives, but it's not representative of what the car could achieve if driven a little more gently.

Small, light weight cars like the smart have the potential to achieve truly outstanding gas mileage, but it does require an adjustment in driving style if you're a typical "lead foot".
 

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Here's the tests that are, run according to this site: http://www.cleanmpg.com/forums/articles/t-beating-the-epa-the-whys-and-how-to-hypermile-1510.html - there are some graphs and additional information on the actual page.

City Test (FTP75) represents urban driving, in which a vehicle is started with the engine cold and driven in stop-and-go rush hour traffic. The driving cycle for the test includes idling, and the vehicle averages about 20 mph.

Highway Test (HWFET) represents a mixture of rural and interstate highway driving with a warmed-up engine, typical of longer trips in free-flowing traffic. Average test speed is about 48 mph and includes no intermediate stops or idling.
This one will kill the smart:

High Speed Test represents a high speed highway driving cycle up to 80 mph and with higher acceleration rates of almost 3X’s that of the older FTP and HWFET cycles.
Not sure how A/C use will affect the engine and milage on a smart, but could hurt a three-cylinder more than higher-powered engines:

A/C High Temperature Test represents a light mixture of city stop and go and low speed highway driving but in 95 degree F temperatures with A/C on MAX.

City Test under Cold Temperatures represents the exact driving schedule as the FTP75 above but with temperatures of 20 degrees F vs. 68 - 86 degrees F and with the Engine temperature cold soaked before start.
 

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Discussion Starter #11 (Edited)

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Discussion Starter #12
This one will kill the smart:

Not sure how A/C use will affect the engine and milage on a smart, but could hurt a three-cylinder more than higher-powered engines:

Quote:
A/C High Temperature Test represents a light mixture of city stop and go and low speed highway driving but in 95 degree F temperatures with A/C on MAX.

City Test under Cold Temperatures represents the exact driving schedule as the FTP75 above but with temperatures of 20 degrees F vs. 68 - 86 degrees F and with the Engine temperature cold soaked before start.
will the pure, ordered without air, have a different mpg fed sticker, with better mpg? (seems fair)

will an air-less pure have its computer re-set, to allow better mpg? (seems worth a burn-in)
 

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I doubt the sticker will be different. The owner's manual may tell you that using the A/C will take your mpg down 1-3 or so. No big deal for me. I don't use it that much. I work in a non a/c environment all day anyway. OMHO
 

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It may be that the aerodynamic advantages of the A/C (with windows closed) may somewhat offset the mechanical engine drag. Open windows account for a LOT of aero drag.
 

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I generally agree with what fishrdnc just said but offer this;

Our 2000 Ford Escort ZX2 gets slightly better fuel mileage with windows down and NO A/C.... A concern with the Escort is window up and A/C set to max it never cycles off (non auto system). This car takes a 0.7 MPG loss running the A/C

Additionally, in the Escort, I can feel a significant power loss running the A/C...especially when needing more power to pass on the highway, or evade a traffic problem. Inspite of the sensors that are supposed to de-clutch the A/C compressor during high power demand (like shift down for passing) this motor has not quite enough power when the A/C is on.

I would hope the Smart ECU has a more effective control for the down shift high power demand that removes the A/C drag ..... what I mean is--- the Ford solution is not very effective and I hope MB's is a better implementation....

FWIIW -- The Escort has been tested by a Ford Tech and the system is operating properly

Our 77 diesel Rabbit has AC ----Back some years, while in Germany one tour, we had a Gas 110 HP Golf with A/C--- neither of those cars had any power issues running the A/C. Both cars took about a 0.5 MPG loss running the A/C

I am expecting the A/C system on my new Smart to be noticable both in power loss and at the pump....
 

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Keep in mind the shift in how the EPA gets its numbers; the 2007 EPA numbers puts the smart into the 40s. The Canadian numbers are what? The 50s? It's all on how you run the numbers.

The Canadian numbers are based on an Imperial gallon, which is more than 20% larger than a US gallon. Hence, a hwy mileage of 41miles/US gal is the same as 49 miles/ imp. gal.
 

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It may be that the aerodynamic advantages of the A/C (with windows closed) may somewhat offset the mechanical engine drag. Open windows account for a LOT of aero drag.
I've seen test data to that effect. I can't remember where, but if I find, I'll post.
 

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No Smart Hit, Propes

highway speeds at 80 MPH - my guess something that'll cause a hit on the smart.
Propes,
I have a couple of posts on here from aways back telling of my experience with a Montreal Smart Club (15 cars in all) that I met up with last Summer and traveled with them in my S-2000 to and from Cooperstown, NY when the road tour was in our area. I led them back to the Adirondack Northway (I-87) from Cooperstown (in the sticks) that evening.
They all had diesel Smarts except for one Brabus model and I can tell you matter of factly that the whole group DID NOT have any trouble keeping up with me at 75 to 80 MPH going up I-88, I-90 and then I-87. I specifically asked them if I should be cool on the accels and not get too far ahead and they said not to worry that they would keep up AND THEY DID!:D
They stayed in formation right behind me passing other cars on the interstates and it was a blast!!! And that was the diesel Smarts which are lower HP and not a sassy as the 71 hp gas job.
Don't worry about it.....the Smart will be just fine getting to 80 on that test!
:D :D :D
 

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Discussion Starter #19
yaris commercial just stated 40 mpg.

what they didn't tell you, that i recall, is that is the old 2007 rate. the new 2007 and 2008 rate, is 36 mpg.

from what i can see, this means the smart remains the best '08 mpg all gas vehicle in america, likely to come in at 40 mpg highway, or possibly better.
 

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The Canadian numbers are based on an Imperial gallon, which is more than 20% larger than a US gallon. Hence, a hwy mileage of 41miles/US gal is the same as 49 miles/ imp. gal.
I couldn't find it now (well, maybe I could), but they did convert it back to the US gallon as well. It's somewhere and clubsmart.ca.
 
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