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Sedans Toyota Avalon 2008 Toyota Avalon
632 messages, Last post on Nov 29, 2009 at 4:47 PM
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Replying to: loesshill (Aug 18, 2008 4:20 pm) |
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The current generation Avalon can hit 30+ mpg if driven in the right speed range on the highway. This is nothing new as my '99 XL could do it and actually did it a lot more often than my '07 Limited has to date. Using a blended fuel with ethanol, say 10%, will reduce mileage by about 2%, maybe a little more, if you follow the textbook analysis of fuel composition. Any additional drop is due to different driving, math error or other factors. The load the vehicle carries makes little difference on a long trip unless you are the mountains. Speed is a critical factor as air resistance is exponential. Always remember that Avalon odometers tend to be off by about 3% short so adjust all mileage calculations upward to compensate. Check the odo with the interstate mile markers when you get a chance, see if your car is off...mine is... Enjoy the Avy, all.. great value... 
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Replying to: loesshill (Aug 18, 2008 4:20 pm) 10% ethanol I have seen no decrease in fuel economy. Also if your driving at 70/75 mph there is no way your getting 33mph! Again BS " You must be a graduate of the "How to make friends and influence people" leadership course. 
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Replying to: mackabee (Aug 18, 2008 10:23 pm)
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Replying to: wwest (Aug 19, 2008 8:25 am) When Toyota went to the 6 speed trans it allowed them to make a better choice of gear ratio and still keep the trans shifting smoothly using a lower ratio for 1st gear for better acceleration and a very tall gear in 6th for better mileage 1800 rpm at 69 mph is only 1000rpm over idling no wonder it gives great mileage Try this just for fun ! Set the cruse control at 69 as you are getting ready to go up an incline. the trans will shift back into 5th or 4th gear depending on how steep it is............NOW.... turn on the AC..... And you wonder where your gas goes? LOLOL
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We picked up ours in May. Recently took a 3000 mi trip and averaged almost 32mpg (based on my calculations) with a fairly heavy load at about 65-70mph. The car consistently claimed 33-35. I prefer to use 100% gasoline as a personal protest, but it is very hard to find, at least as regular. (I believe ethanol is a terrible waste of tax dollars, raises food prices, etc.)
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Replying to: burl (Aug 19, 2008 1:53 pm) Well, yes, and...no.... If you have a CVT, Continuously Variable Transmission then regardless of road speed the engine can ALWAYS be made to operate at the lowest possible RPM, lowest frictional component, most optimal FE, wherein it just barely produces enough torque to move the car along at the desired speed and road conditions. So it is the engine's low RPM torque production capability that is the real determining factor for constant speed cruising on the hwy. |
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Replying to: dfurnier (Aug 19, 2008 2:32 pm) I agree with you there. I read somewhere that it costs more to make the ethanol than the benefit if any we get from it. |
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Replying to: doug3030 (Aug 16, 2008 1:46 pm)
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Replying to: tkevinc1 (Aug 20, 2008 4:13 am) But at 32+ mpg... that's great! Who cares about exact speed or fuel composition...
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