Getting 25% more milage than epa est.
I bought a new manual shift mazda 5 MazdaUSA - Wireless Tour - Gallery back in 06, a 6 passenger smaller minivanish thing thats kind of heavy at 3300lbs, but was rated at 21/27 city/hwy, which was way better than the 16mpg average I was getting from my dodge ram van.
After getting used to the cars very torquey and smooth motor, I found that I could easily short shift at 2k rpm and keep up with traffic. This combined with no speeding and avoiding brake use by either coasting in neutral, ( with engine running), or downshifting for engine braking has led to my lowest tank average being 28mpg, ( mostly in town driving) to a high of 35 mpg while driving a steady 50 mph through yellowstone park. This is all while never holding up traffic or making a general nuisance of myself, and in fact my passengers rarely notice any difference at all. I am psyched that the new version of this vehicle coming out next year will have a new motor they are claiming will do 30% better mpg overall. :) Dean in Milwaukee |
Dean in Milwaukee -
Welcome to EM! Cool beans on your Mazda 5 MPG achievements. When I first saw the Mazda 5's rear at a car show, I thought it was a "Mazda Fit". Then I walked around and saw the longer wheelbase. CarloSW2 |
Great success story, Dean. The thing about the mileage game is you can almost always get a higher score. I'm at about 70% above EPA on my two
cars, and still finding ways to improve my mileage |
good job now shoot for 40 %
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Getting 40% above the city number may be possible, (29.4 mpg), with some more extreme measures, but its not going to happen on hwy trips as it took optimal conditions ( steady 50 mph cruise on level ground with no a/c or wind) to get the 35 mpg figure. A more normal hwy economy number is 30-31 mpg.
It still makes me wonder how the epa numbers could be so low, especially for the hwy number, as all I do to get 30-31 mpg is use the cruise and don't speed. We will likely replace my wifes car with the new 5 when it comes out in 2011. If I can really get the claimed 30% increase that means 40 hwy mpg by just setting the cruise and driving. :) BTW, I do suspect the 5 must have fairly decent aero for a vehicle of its type. If you do the math, to be getting 30 mpg at 65 mph means a road hp of only around 22. ( 2.17gph at 0.6 lbs/hp/hr) Dean in Milwaukee |
Welcome to the site Dean! Good to see a fellow Wisconsinite. :)
40% is definitely doable, but you'll likely need some aeromods to hit it on the highway. Good luck. |
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I had a Ford Aerostar and you could not break 24mpg even going 45mph with a tail wind. Some cars engines are just not efficient at their RPMs, that's when you start changing gear ratios.
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I believe that 50mph is NOT necessarily ideal, if you have a scanguage you might find letting your speed go higher and lower may yield far in excess of your 35mpg number holding a steady 50mph. Good Luck |
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