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01-27-2010, 01:37 PM | #1 |
Drives: 2010 Yaris S Join Date: May 2009
Location: sherwood, oregon
Posts: 10
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2007 AT Yaris Disappoints me
Okay...
So I bought a used 2007 Yaris, AT, superbasic (no power anything). My wife and I share it, and though we're both conservative drivers - her a bit more than me - we're getting only 28-32mpg, typically getting 30 mpg on a tank. Now at first, I was okay with this because that's exactly what the EPA rating was, and for essentially an economy car it worked pretty well for our needs. However, after seeing these forums...I know there's a difference with the MT, and some hypermilers out there, but I've even seen some much higher claims for the AT. Which leads me to believe that either I've got a lemon, or there are lots of people out there who are calculating their mpg wrong The one thing that concerns me is where the AT shifts. I haven't paid attention to it in awhile because I like my loud music in the car, but it seems to shift into fourth around 45mph, so when on the freeway going 55-65, the engine sounds like it's running at an unhealthy rpm. Is that normal? It seriously sounds like it needs an OD to me...but honestly I know nothing about gas cars. Electric is my thing. Please help! I'd love to solve this before my roadtrip in April. |
01-27-2010, 01:49 PM | #2 |
Drives: 06 Polar White 5dr, 13 Soul 4u Join Date: Oct 2008
Location: Georgetown, Ontario, Canada
Posts: 5,762
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You're getting pretty much the norm for an AT, cold weather, winter formula gas. The claims of higher mpg are basically exceptions, and not the norm.
At 55-65 mph, your engine will be spinning at around 2800 - 3000 rpm. This again is normal for small displacement engines. You have nothing here to worry about/fix before your roadtrip.
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01-27-2010, 03:05 PM | #3 |
Drives: . Join Date: Dec 2008
Location: .
Posts: 363
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I'm pretty sure that my AT sedan is at 3K or so RPM when cruising at 80MPH.
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01-27-2010, 03:13 PM | #4 | |
Drives: 08 Sedan Join Date: Oct 2008
Location: Tyler, TX
Posts: 899
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Quote:
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01-27-2010, 05:33 PM | #5 |
Drives: 2010 Yaris S Join Date: May 2009
Location: sherwood, oregon
Posts: 10
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Well as I said, I've had the car for awhile now and in no weather have I had more than 31mpg.
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01-27-2010, 05:51 PM | #6 |
Drives: 2008 Yaris Liftback (Sprocket) Join Date: Oct 2008
Location: San Antonio, Texas!
Posts: 2,799
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I've tracked my gas mileage in my 08 Yaris LB (with an auto) since getting it in November 2008, and it always decreases during the winter. Driving easy, I only get ~33 MPG during the winter, whereas I am closer to 37-38 MPG during the summer.
Secondly, are you sure you're not knocking the shift lever out of OD and into 3rd gear? It happens if you're not careful. I drive at 60 MPH on most of my commute and the car doesn't sound like it is stressing; but we are only talking a 1.5L 4-cylinder engine and a subcompact that isn't as sound-proofed as a bigger, luxury car. I usually crank up the radio as well, so I don't notice it either; but I have checked just to see how the engine is running at highway speeds (not having a tach stinks) and it appears fine to me. Also, what kind of tires/rims are you running? I have aftermarket 17" rims and wider tires, which takes a bite out of my mileage. Friends with stock Yarii get better mileage... Cheers! M2 |
01-27-2010, 05:52 PM | #7 |
Drives: 2009 yaris sedan base Join Date: Sep 2009
Location: 02809
Posts: 74
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Yep winter gas in the north east and dedicated snow tires.. mileage fell on it's face.... was doing well over 40 mpg matter of fact 44.6 average sedan a/t with regular tires and non winter gas.. now down to low to mid 30's... either way better then 12 in my truck i figure
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01-27-2010, 05:55 PM | #8 |
Drives: 2008 Yaris Liftback (Sprocket) Join Date: Oct 2008
Location: San Antonio, Texas!
Posts: 2,799
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Winter gas is not limited to the northeast, we've got it down here in southcentral Texas...
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01-27-2010, 05:56 PM | #9 |
Drives: '07 Yaris Sedan/'03 Protege Join Date: Oct 2008
Location: St. Augustine, FL
Posts: 260
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To the OP, where are you doing most of your driving?
And for the record, a lot of people don't know how to calculate their MPG correctly. Even on this forum. E-Present company excluded I am sure. |
01-27-2010, 06:40 PM | #10 |
Drives: 2010 Yaris S Join Date: May 2009
Location: sherwood, oregon
Posts: 10
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Most of the driving is freeway, I'd say 70/30. Actually I have never heard of "winter gas..." there's literally a different gas pumped in winter?! I'm using all-season tires, stock size. I'm pretty sure I'm not knocking the shifter out of D, as I don't even get close to touching it. To my ear it still sounds like it's stressing, but like I said, not too experienced with cars/mechanical stuff.
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01-27-2010, 06:53 PM | #11 |
Drives: 2010 Yaris S Join Date: May 2009
Location: sherwood, oregon
Posts: 10
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Next chance I get, I'll take some video at high speed so maybe someone can give me an answer based on their experience.
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01-27-2010, 06:56 PM | #12 |
Drives: 2008 Yaris Hatchback Join Date: Jan 2010
Location: Alabama
Posts: 64
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you have 2 different drivers driving the car it will be hard to get a good mpg due to differnt driving habits..I get 38 mpg in my car when my wife drives it she gets 34 mpg..Winter gas is less quality than summer gas and you'll get about 2-3 mpg less than summer gas. In Alabama we have the crappy winter gas
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01-27-2010, 07:30 PM | #13 |
Drives: '08 LB MT Bayou Join Date: Oct 2008
Location: Colorado
Posts: 1,671
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Lots of hills in your area? Those high mpg numbers are definitely the exception as most of the drivers reporting them use hypermiling techniques. I average about 32mpg with mixed driving but always short trips and lots of hills.
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01-27-2010, 09:57 PM | #14 |
Drives: 08 Sedan Join Date: Oct 2008
Location: Tyler, TX
Posts: 899
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01-27-2010, 10:01 PM | #15 | |
Drives: 08 Sedan Join Date: Oct 2008
Location: Tyler, TX
Posts: 899
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Quote:
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01-27-2010, 10:15 PM | #16 | |
Drives: 07 Yaris 3dr LB (Bayou Blue) Join Date: Oct 2008
Location: Raleigh, NC
Posts: 2,602
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lots of factors affect your ride.
check your air filter make sure your tires are good and properly inflated check spark plugs calculate your mp3 accurately dont jack rabbit from stoplights (my biggest pet peeve) if your overweight = decreased mp3 declutter your car dont carry more than you need to make sure you only AC when needed and dont leave defroster on keep windows closed, a/c is just as bad on gas as wind resistence from open windows use dfco, make sure your in "D" and not "3" to avoid hyper-revving. those are the things that pop into my head when someone isnt getting good gas mileage.
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01-27-2010, 10:50 PM | #17 | |||
Banned
Drives: 2007 4 Door Yaris Join Date: Jan 2009
Location: Southern California
Posts: 1,357
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Quote:
My car only has one "D" Quote:
Don't bother even thinking about your spark plugs until 30k. Don't check them til 60k. Losing weight and decluttering your car will net you a whopping .00001 mpg Typically air resistance doesn't catch up to the A/C until around 45 mph Some 2007 yarii will only engage DFCO if you are in 3. Quote:
To the OP: Don't let ridiculous internet claims ruin your love for your car. |
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01-27-2010, 10:52 PM | #18 |
Drives: 2007 yaris Join Date: Nov 2008
Location: Pensacola, FL
Posts: 37
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Well, we have 2 Echos - same engine as Yaris. One Echo is AT and the other one is a manual. The manual gets at least 42MPG even in the winter while the AT gets 32-34, so this is pretty typical...
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Tags |
automatic, fuel efficiency, mpg |
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