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Toyota Yaris Real-World MPG

472 messages,  Last post on Oct 23, 2009 at 11:40 AM

You are in the Toyota Yaris Forum. Your Host is pf_flyer

What is this discussion about? Toyota Yaris, Fuel Efficiency (MPG), Hatchback


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#386 of 472
Re: lower the speed limit to 55 [podred] by psulions
Jun 04, 2008 (4:04 pm)
Reply

Replying to: podred (Jun 04, 2008 3:22 pm)

Watch what you say
or they'll be calling you a radical
A liberal
an intellectual
cynical.....
 
Now this guy must really tan your hide Kip!
You thought I was bad?
#387 of 472
Re: lower the speed limit to 55 [psulions] by psulions
Jun 04, 2008 (4:08 pm)
Reply

Replying to: psulions (Jun 04, 2008 4:04 pm)

When I was young,
it seemed that life was so wonderful,
a miracle, oh it was beautiful, magical.
And all the birds in the trees,
well they'd be singing so happily,
joyfully, playfully watching me.
 
But then they sent me away
to teach me how to be sensible,
logical, responsible, practical.
 
And they showed me a world
where I could be so dependable,
clinical, intellectual, cynical.
 
There are times when all the world's asleep,
the questions run too deep
for such a simple man.
Won't you please, please tell me what we've learned
I know it sounds absurd
but please tell me who I am.
 
Now watch what you say
or they'll be calling you a radical,
liberal, fanatical, criminal.
Won't you sign up your name,
we'd like to feel you're acceptable,
respectable, presentable, a vegetable!
 
At night, when all the world's asleep,
the questions run so deep
for such a simple man...
#388 of 472
Re: lower the speed limit to 55 [psulions] by kipk
Jun 05, 2008 (2:45 am)
Reply

Replying to: psulions (Jun 04, 2008 4:04 pm)

>"Now this guy must really tan your hide Kip!"
 
Not at all !
 
Interesting that he may actually believe that creeping along in a lower gear at 19.5 mph is the most economical speed.
 
Real world driving for many years, tells me different.
 
He wrote: " I simply enjoy driving, a concept and practice that many others simply fail to understand."
 
There, he and I have something in common.
 
I most enjoy my driving in a relaxed manner. I also enjoy consistently beating the EPA ratings by a good amount. He may not!
 
Folks on these forums have described very different driving styles as well as very different mileage figures. To each his own.
 
Kip
#389 of 472
Re: lower the speed limit to 55 [kipk] by psulions
Jun 05, 2008 (3:26 am)
Reply

Replying to: kipk (Jun 05, 2008 2:45 am)

Peace Kip.
#390 of 472
Mileage data point Yaris 4dr auto 2006 by mkapoosta
Jun 10, 2008 (9:22 pm)
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I am interested in buying a Yaris and recently rented one from a Toyota dealer in Portland Oregon. I told them I was interested in mileage and they suggested taking an older one since they improve their mileage with use (so said the rep.). I took a 2006 sedan with over 16,000 miles on it for two trips on the order of 400 miles each with a minor amount of town driving. I assume the tank was full of regular when I picked it up. The first tank came in at just under 43mpg. The second tank came in at 43.9 on premium. I drive at 55mph on the highway here in Oregon where the traffic is still relatively light compared to other states. This mileage seems high after reading some of the other posts. I imagine my highway speed is the reason for the great mileage I got since drag is a big factor and NOT linear with speed.
#391 of 472
Re: Mileage data point Yaris 4dr auto 2006 [mkapoosta] by kipk
Jun 11, 2008 (2:25 am)
Reply

Replying to: mkapoosta (Jun 10, 2008 9:22 pm)

Excellent post!
 
Were the cars you rented Sedans or Hatch Backs?
 
You are right on about the wind resistance not being linear. Seems I read that the formula for wind resistance is:
 
The frontal area X velocity squared. R = A X V(2)
 
So a vehicle traveling at 75 would have a wind resistance of A X 5625
A vehicle at 55 mph would have a resistance of A X 3025
 
The increase in speed is 36% while the increase in wind resistance is 86% !
 
Chances are good that a lot of the poor mileage figures reported are from higher speed driving.
 
Kip
#392 of 472
Re: Mileage data point Yaris 4dr auto 2006 [kipk] by pf_flyer HOST
Jun 11, 2008 (3:16 am)
Reply

Replying to: kipk (Jun 11, 2008 2:25 am)

Got that right. Aerodynamic drag is proportional to the square of the velocity. Doubling your speed increases drag fourfold.
 
And I know that nobody likes to hear it, but I'd bet good money that virtually all of the mileage complaints about vehicles, across all makes and models, can be directly tied to driving styles and habits or things like improperly inflated tires rather than some mechanical issue with the vehicle.
#393 of 472
Re: Mileage data point Yaris 4dr auto 2006 [mkapoosta] by lhanson
Jun 11, 2008 (7:36 am)
Reply

Replying to: mkapoosta (Jun 10, 2008 9:22 pm)

I can't imagine anyone putting premium in a rental car, especially one designed to run on regular. There is no such thing as a 2006 Yaris, unless you had one made for the Canadian market.
#395 of 472
Aero Drag by podred
Jun 12, 2008 (3:14 pm)
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What surprised me about my 2008 Yaris 2 door hatchback is that the CD number is exactly the same as the more Aero looking 2008 Avalon. And both of these cars have better (lower) Aero CD numbers than either a MBZ E series, or BMW 5 series.
 
So for the low price point, one can hardly do any better than a Yaris hatch. I know that I'm truly shocked at how much I enjoy driving mine. I have a lot of cars to choose from in my collection, and yet everyday I end up in the Yaris unless I'm venturing out for a long road trip.
 
In a word _ Balance _ is what I like best. Just the right amount of horsepower, braking, acceleration, fuel economy, comfort, and a fun to drive factor that is simply delightful......

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