Fuel Economy - Page 21 - Toyota Yaris Forums

swng · 05-27-2006, 04:49 PM

Quote:

Originally Posted by Idjiit

Yes, this is the fundamental flaw in the self-calculation method. Depending on the pump, how far you have it stuck in, etc. the amount of gas dispensed on a fill up can vary.

Valid observation! Thanks! Hopefully long term average numbers can somehow compensate for the errors resulting from the variations that we cannot control each time we do the calculation after a fill-up.

why? · 05-27-2006, 09:08 PM

Pumps must dispense the correct amount. They are all checked.

However different brands of gas can give different results. That is why it is good to find a gas that gives results you like and stick with it.

My first 2 fill ups, finally:

1st to make sure the tank was fill from the dealership: 19 miles, .688 gallons = 27.62 mpg.

2nd one today, 460.2 miles, 10.85 gallons = 42.41 mpg.

Total so far = 41.53 MPG.

That equals 5.66 l\100 km or 49.88 mpg Imp.

swng · 05-27-2006, 11:51 PM

Quote:

Originally Posted by Ziv

My, my. I wil keep that in mind! Thanks!

Hi Ziv, on this page, you will find some information about what we have been talking about i.e. the higher is the speed above the car's optimal speed, the higher is the fuel consumption rate:

www.fueleconomy.gov/feg/driveHabits.shtml

Hope you like it.

Edit: After reading the Driving More Efficiently page, please also go to the Gas Mileage Tips page (click on the left near the top of the Driving More Efficiently page) and watch the MotorWeek video. It is very relevant and very good! Enjoy!

Idjiit · 05-28-2006, 12:58 PM

Quote:

Originally Posted by why?

Pumps must dispense the correct amount. They are all checked.

I didn't say that pumps won't dispense the "correct" amount. I'm saying that the sensors in the pumps in conjunction with how you use it (and environmental conditions) will vary how much is able to be dispensed. The self-calculation method hinges on the idea that you're getting a "full" fill-up every time. These variances can lead to miscalculations.

stuffy · 05-28-2006, 06:57 PM

yeah, you have to average over a number of tanks to get an accurate idea of your fuel consumption, this will factor in the varying driving styles and conditions as well.

Ziv · 05-29-2006, 09:31 AM

Quote:

Originally Posted by swng

Hi Ziv, on this page, you will find some information about what we have been talking about i.e. the higher is the speed above the car's optimal speed, the higher is the fuel consumption rate:

www.fueleconomy.gov/feg/driveHabits.shtml

Hope you like it.

Edit: After reading the Driving More Efficiently page, please also go to the Gas Mileage Tips page (click on the left near the top of the Driving More Efficiently page) and watch the MotorWeek video. It is very relevant and very good! Enjoy!

Sweet, man. I will check it out! looks like its gonna help. Maybe I do have a bad driving habits. bahahaha.

Another update:
460 km/ 32 Litre
6.96 l/100km. Sweet justice, juicy sweet justice. I have finally get under 7 for ONCE! This could be a dream, don't wake me yet if this indeed is a dream.

swng · 05-29-2006, 04:41 PM

No, it is not a dream. With a Yaris, reasonably good fuel economy like that you have just posted is actually achievable and you have proved it. I feel so happy for you!
Cheers!

YotaYarisUSA · 05-29-2006, 06:35 PM

Why?

Sounds like your getting better than the posted sticker MPG on your Yaris,thats awesome! Do you drive a stick or automatic?

I'm actually picking up my Yaris tommorrow at Jim Barkley I can't wait :)

Thanks 4 your time,and happy Yaris Driveing!

YotaYarisUSA

why? · 05-29-2006, 10:19 PM

Quote:

Originally Posted by YotaYarisUSA

Why?

Sounds like your getting better than the posted sticker MPG on your Yaris,thats awesome! Do you drive a stick or automatic?

I'm actually picking up my Yaris tommorrow at Jim Barkley I can't wait :)

Thanks 4 your time,and happy Yaris Driveing!

YotaYarisUSA

I drive a manual. I am a very relaxed driver. I'm tempted to strip the back seats like others have done, but I haven't quite brought myself to do it yet.

markpeppie · 05-31-2006, 04:39 PM

car went to 500 km before i had to fill it up, cost me 39 $ at 110 , i'am amazed

swng · 05-31-2006, 05:02 PM

Congratulations on the apparently good numbers! Hope better and better results keep on coming to you. Here is a site you can use to calculate the mpg numbers of your new car. Enjoy:

www.fueleconomy.gov/mpg/MPG.do?action=calcMPG

Sp33dY · 05-31-2006, 05:54 PM

Heres a good one for kms/L - http://www.hicloneqld.com/data.htm
I did 595kms off this tank and use 41L. 6.9L / 100kms!

swng · 05-31-2006, 06:05 PM

Nice! Just added it to my list of favorite sites.

bigbull · 06-01-2006, 08:26 AM

I have just filled up for the second time and have hit 1260 Km, I got the car with 19 km on it. Considering I cam from a 1989 Jeep Cherokee that had a 60 L tank thai I filled up 1.5 times a week I am in heaven! So far these numbers seem to compare to what everyone else is getting.

Ziv · 06-01-2006, 09:29 AM

Update:

442 km / 32 Litre
Roughly at 7.24
went up again, but at least is not around the 7.5 again anymore. Hope it does goes under 7 again next fill.

David81 · 06-01-2006, 10:41 PM

I got my yaris 2007 sedan aero package today. Gas i'm not sure yet, didin't get to use a full tank. But i got it today, drove 79km and didn't even lose a bar of gas. Well it still reads full gas.

swng · 06-02-2006, 12:37 AM

All bars do not represent the same amount of fuel. I bet you can easily get way more than a hundred km with your first bar. Other bars do not last that long however.
Enjoy your new car!

NickNickNick · 06-02-2006, 02:03 AM

Filled today.
37mpg in-city over 348km...

It seems the further I go without filling, the better mileage I get.

When I didn't fill for over 650km, I only got 37L in, and was getting over 40mpg in-city. Does anyone know if this could happen?

Plus: A good metric calc.
http://www.roity.com/petrol/metcalc.html

05-27-2006, 09:08 PM	#362
why? Only Happy When it Rains View User's Garage Drives: Yaris LB Join Date: Jan 2006 Location: harnett county NC Posts: 4,097	Pumps must dispense the correct amount. They are all checked. However different brands of gas can give different results. That is why it is good to find a gas that gives results you like and stick with it. My first 2 fill ups, finally: 1st to make sure the tank was fill from the dealership: 19 miles, .688 gallons = 27.62 mpg. 2nd one today, 460.2 miles, 10.85 gallons = 42.41 mpg. Total so far = 41.53 MPG. That equals 5.66 l\100 km or 49.88 mpg Imp. __________________ Colin Chapman disciple

05-31-2006, 05:54 PM	#372
Sp33dY www.OZTOYOTA.com Drives: Toyota Echo Join Date: Feb 2006 Location: VIC, Australia Posts: 239	Heres a good one for kms/L - http://www.hicloneqld.com/data.htm I did 595kms off this tank and use 41L. 6.9L / 100kms! __________________ www.oztoyota.com - Australian Toyota ECHO and YARIS Club

06-01-2006, 09:29 AM	#375
Ziv It's all about VVTI Drives: Yaris 5Dr LE White Join Date: Feb 2006 Location: Canada Posts: 308	Update: 442 km / 32 Litre Roughly at 7.24 went up again, but at least is not around the 7.5 again anymore. Hope it does goes under 7 again next fill. __________________ Ziv on Vitz '06.

05-28-2006, 06:57 PM	#365
stuffy Drives: 06 yaris 5-dr le man Join Date: Mar 2006 Location: ontario, canada Posts: 699	yeah, you have to average over a number of tanks to get an accurate idea of your fuel consumption, this will factor in the varying driving styles and conditions as well.

05-29-2006, 04:41 PM	#367
swng Drives: 06 3-dr auto RS Join Date: Jan 2006 Location: BC Posts: 1,051	No, it is not a dream. With a Yaris, reasonably good fuel economy like that you have just posted is actually achievable and you have proved it. I feel so happy for you! Cheers!

05-29-2006, 06:35 PM	#368
YotaYarisUSA Drives: Yaris Sedan,Pacific Blue Join Date: Mar 2006 Location: Western North Carolina,USA Posts: 62	Why? Sounds like your getting better than the posted sticker MPG on your Yaris,thats awesome! Do you drive a stick or automatic? I'm actually picking up my Yaris tommorrow at Jim Barkley I can't wait :) Thanks 4 your time,and happy Yaris Driveing! YotaYarisUSA

05-31-2006, 04:39 PM	#370
markpeppie Drives: yaris 2007aero Join Date: May 2006 Location: montreal Posts: 22	car went to 500 km before i had to fill it up, cost me 39 $ at 110 , i'am amazed

05-31-2006, 05:02 PM	#371
swng Drives: 06 3-dr auto RS Join Date: Jan 2006 Location: BC Posts: 1,051	Congratulations on the apparently good numbers! Hope better and better results keep on coming to you. Here is a site you can use to calculate the mpg numbers of your new car. Enjoy: www.fueleconomy.gov/mpg/MPG.do?action=calcMPG

05-31-2006, 06:05 PM	#373
swng Drives: 06 3-dr auto RS Join Date: Jan 2006 Location: BC Posts: 1,051	Nice! Just added it to my list of favorite sites.

06-01-2006, 08:26 AM	#374
bigbull Drives: Yaris Sedan Join Date: May 2006 Location: Toronto Posts: 4	I have just filled up for the second time and have hit 1260 Km, I got the car with 19 km on it. Considering I cam from a 1989 Jeep Cherokee that had a 60 L tank thai I filled up 1.5 times a week I am in heaven! So far these numbers seem to compare to what everyone else is getting.

06-01-2006, 10:41 PM	#376
David81 Drives: Yaris Join Date: May 2006 Location: Toronto Posts: 53	I got my yaris 2007 sedan aero package today. Gas i'm not sure yet, didin't get to use a full tank. But i got it today, drove 79km and didn't even lose a bar of gas. Well it still reads full gas.

06-02-2006, 12:37 AM	#377
swng Drives: 06 3-dr auto RS Join Date: Jan 2006 Location: BC Posts: 1,051	All bars do not represent the same amount of fuel. I bet you can easily get way more than a hundred km with your first bar. Other bars do not last that long however. Enjoy your new car!

06-02-2006, 02:03 AM	#378
NickNickNick Drives: 06 Silver Yaris 3-door Manual Join Date: Feb 2006 Location: Canada Posts: 96	Filled today. 37mpg in-city over 348km... It seems the further I go without filling, the better mileage I get. When I didn't fill for over 650km, I only got 37L in, and was getting over 40mpg in-city. Does anyone know if this could happen? Plus: A good metric calc. http://www.roity.com/petrol/metcalc.html