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05-10-2011, 07:21 PM | #1 | |
Drives: 2010 Yaris LB Join Date: Jan 2011
Location: PNW
Posts: 29
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Quote:
Aerodynamic drag and engine power needed changes exponentially with an increase in speed. That's why you can't regear a stock Yaris and go 200mph or use hypermiling techniques doing 90. (and expect anything good) Speed kills.... fuel economy at least :) |
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05-09-2011, 11:59 PM | #2 |
Drives: 07 Yaris sedan Join Date: Jun 2007
Location: Keremeos BC
Posts: 986
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Somehow, it is the "saving lives" thing that got me. What was it? 40%? What a bonus, even if the percentage is wrong! Nowadays, the cars are keeping the numbers of deaths down, not the drivers: speed limits keep climbing, and US oil dependency follows suit.
Keep up to busy traffic, play P&G when one is on one's own, or whatever fuel-saving game one is into. Myself, I feel that I am driving one of the most fuel-efficent vehicles around, and the savings by hypermiling really ain't gonna make a big difference, considering how much fuel I COULD be burning... |
05-10-2011, 01:36 PM | #3 |
Drives: 09 Yaris HB, 08 SR5 Tundra Join Date: Jan 2009
Location: RGV, Texas
Posts: 1,086
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I hate to burst anyone's bubble but there is no real solid data that shows that having a national 55mph speed limit saved lives. Not only can it be shown that there were less annual deaths in some years before the Emergency Highway Energy Conservation Act was enacted but you also have to consider that even in the years there were fewer deaths during that period there were also less people on the road to begin with because of the oil crisis that prompted the passing of the EHECA in the first place.
Just sayin.
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I crush you like tiny clown car, because you are clown, yes? |
06-26-2011, 12:25 PM | #4 |
Drives: red Liftback Join Date: Aug 2007
Location: St Cloud Minnesota
Posts: 68
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2008 with AT
I average consistently mid-40s mpg while driving at 50 mph.
If there is no wind, the Yaris gets about 50 mpg at 50 mph. Mileage drops to about 40 mpg at 70 mph. At 30 mph I get high 50's mpg. With a strong head wind I loose about 10 mpg. |
01-20-2012, 09:50 PM | #5 |
Drives: '09 Yaris Sedan Join Date: Oct 2009
Location: Western N.Y.
Posts: 75
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The the speed one travels is inversely proportional to the attention one gives to the driving task. At 55 you have a lot of time to look around and eat and talk on the phone. Try anything but driving at 140 mph!
doc |
06-03-2011, 10:25 PM | #6 |
Drives: yaris 2 door hatch Join Date: May 2007
Location: hemphill texas
Posts: 193
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55 you'll get flatten by a pick up down here,
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06-17-2011, 05:55 PM | #7 |
1.5 or 2.5 both=0-60 in 8
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Yes
I got 45.1 Doing 55-60 MPH, no cruise control.
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06-25-2011, 09:32 PM | #8 |
Drives: yaris 2 door hatch Join Date: May 2007
Location: hemphill texas
Posts: 193
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55 not in texas you'll be a hood ornament on a pick up,
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07-23-2011, 08:05 PM | #9 |
Drives: Blue 5 door hatchback Yaris Join Date: Apr 2011
Location: USA but it has green light?
Posts: 25
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I go about 55 plus or minus all the time. I generally get at least 40 or more mpg. Normally about 45 - 50 mpg if it's just highway.
People hate me for it though. Sometimes people honk, middle fingers, angry red necks shouting out the window, and etc. Not sure what's so hard about using the other lane for to pass. I've even seen some other people driving the Yaris wizz past me. Am I the only person who lives in GA who knows about this? Sometimes I follow big rigs if I need to get somewhere faster. I don't do that much because I heard it's dangerous. Just wondering. Anyone know why exactly they say it's dangerous? As long as you're not right up on them. Doesn't it take them a lot longer to come to a stop than a small car? |
09-16-2011, 08:34 AM | #10 | |
I've made a post!
Drives: 08 Polar White 2dr hatchback Join Date: Sep 2011
Location: Statesboro, ga
Posts: 1
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Quote:
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12-02-2011, 06:21 PM | #11 | |
Drives: Blue 5 door hatchback Yaris Join Date: Apr 2011
Location: USA but it has green light?
Posts: 25
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Quote:
It used to stress me out when people got mad at me going ~55 but now I find it funny. There was an incident with a really obnoxious driver from behind me coming from Atlanta a few nights back. I was doing my usual speed in the right lane. There wasn't much traffic and some lone orange car got behind me and turned his bright lights on as if he wanted me to speed up or move over or something so I let my foot off the gas and went a little slower "about ~50" just to show him I wasn't going to just speed up for him. Anyways so he got pissed and passed me honking his horn as he was passing. I really have no idea why people down here just don't get that there are other lanes to pass people if they want to waste their gas to speed off wherever they have to go. Only time I'll speed up for impatient people is rush hour on the part of the highway where there is only two lanes just so be courteous because semi trucks get behind you and it takes longer for them to pass you and and it creates a long line of traffic. |
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07-23-2011, 09:05 PM | #12 |
Drives: Yaris Sedan 5MT Join Date: Oct 2008
Location: SoCal
Posts: 865
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Well along with the stopping issues, trucks tend to kick up things real easily and there is also the possibility of a tire blow out. I see what you mean about the stopping but the latter two is what keeps me from drafting, that and truckers hate it.
LoL, at certain times while on the highway some truckers think I'm drafting them so they slow down to 55 or even 50 to try to shake me off. They don't realize I don't want to speed up. One other point is that sometimes there is debris on the road that is nothing for a truck to run over but it might be too large for your car to handle. So if you are drafting you won't see this object and will not have time to avoid it.
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08-04-2011, 02:50 AM | #13 |
Drives: '07 Yaris Liftback, Basic Join Date: Dec 2010
Location: STL, MO
Posts: 13
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I drive the speed limit (60) to and from work, 70 miles total, all highway. I don't draft, I coast downhills, I use DFCO down steeper hills and when coming to a stop, Accelerate slowly. I've found it's not one thing you do to increase fuel mileage but a combination that gives the best results.
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08-04-2011, 07:47 AM | #14 |
Drives: S sedan Join Date: May 2009
Location: MI
Posts: 120
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i haven't found a magic speed that would allow me the highest mileage... having said that I get better mileage when I drive between 55-63mph in 5th gear. At this range, I get anywhere from 45-55 instant mpg according to ecometer. At 70mph, I usually get at least 41mpg on average.
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08-04-2011, 08:54 AM | #15 |
toyota
Drives: 2007 Yaris RS Blazed Join Date: Oct 2006
Location: toronto, canada
Posts: 3,637
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47 mpg going 90 kph ; 55 mph 90% of the time fully loaded with a/c
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If my calculations are correct, when this baby hits eighty-eight miles per hour... you're gonna see some serious shit!!!!!! "Horsepower is how fast you hit the object. Torque is how far you move that object.." |
08-07-2011, 12:42 PM | #16 | |
Drives: 06 Yaris HB CE Join Date: Aug 2009
Location: Toronto
Posts: 501
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Quote:
better yet tell us how many km or miles you can do in a full tank of gas. im in canada, in my yaris full tank of gas 600km is pretty much top highway driving. That equals 41-42 US mpg unless you can cover 800km in a full tank, how is 55 US mpg possible? But conversion from 42 US mpg = 50 UK mpg are you referring to uk units? |
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08-07-2011, 03:00 PM | #17 |
Drives: Yaris Sedan 5MT Join Date: Oct 2008
Location: SoCal
Posts: 865
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^ This year I've hit 522.9 (841.5km) miles on 9.877 Gallons. I've hit the magic 500 a couple more times this summer season.
55mph/no drafting(truckers usually are faster)/lots of highway/I like the down hills (you infer what you want). If I'm alone, no A/C ever- just 1 inch down on both front windows. If I have passengers, I make them comfortable- only complaints I get is I drive too slow. Even my parents tell me to drive faster if they are the passengers.
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08-08-2011, 01:30 AM | #18 | |
Drives: 06 Yaris HB CE Join Date: Aug 2009
Location: Toronto
Posts: 501
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Quote:
manual tranny works better? |
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