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09-16-2015, 06:41 PM | #1 |
Drives: Thndr cl metallic HB 3 drs '05 Join Date: Mar 2006
Location: Panama City, Panama
Posts: 795
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New engine MPG
So, I started to measure the MPG on my new car and the results were shocking: my 11 year Old manual Yaris had 25 MPG, the new one (automatic) 14 mpg. Both have the same 1.3 engine. I know manual transmissions lead to a lower MPG versus the automatic but not that much.
I've also heard that the car tends to consume more during break in period. Can somebody tell me if this is right?
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09-16-2015, 07:04 PM | #2 | |
Drives: 2009 Yaris Join Date: Jan 2014
Location: Rigaud, Quebec, Can.
Posts: 357
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Quote:
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09-16-2015, 08:50 PM | #3 |
Drives: 2014 Yaris SE Join Date: Apr 2014
Location: NYC
Posts: 1,076
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Both of those numbers are way low. How are you measuring MPG? Something is wrong somewhere.
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09-16-2015, 09:46 PM | #4 |
It's the illusion you see
Drives: 07 Yaris Sedan Aero Join Date: Oct 2006
Location: Brossard, QC
Posts: 3,888
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City traffic only, AC on all the time. I'm not surprised by the numbers.
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09-16-2015, 10:48 PM | #5 |
Drives: 2014 Yaris SE Join Date: Apr 2014
Location: NYC
Posts: 1,076
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14 MPG!!! I've driven trucks that did better than that. I drive in NYC traffic, with an auto transmission, the LOWEST tank I ever got on the Yaris was 28.8 MPG. Something is wrong with Kitt's calculations, either that or he parks the car with the engine running.
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09-17-2015, 07:28 AM | #6 |
Drives: 06 Polar White 5dr, 13 Soul 4u Join Date: Oct 2008
Location: Georgetown, Ontario, Canada
Posts: 5,762
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Driving with shift lever in 3 and not D? It happens.
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09-17-2015, 08:12 AM | #7 |
Drives: 2007 Join Date: Feb 2014
Location: motown
Posts: 339
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What is the terrain like? Mountains? Uphill both ways?
I never had less than 30mpg driving 90 mph. |
09-17-2015, 08:40 AM | #8 |
Drives: Thndr cl metallic HB 3 drs '05 Join Date: Mar 2006
Location: Panama City, Panama
Posts: 795
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I set the TRIP A odometer at 0 when I fill up, then I drive until the tank is almost empty, as much as I can drive. Then I divide the odometer millage between 11 gallons and that gives me the MPG right?
In other words, I can drive my '05 with a full tank for about 270.9 miles and the '15 gives me about 158 miles with a full tank. Both with ac on, same distance, i'll say moderate traffic at an average speed of 55mph and a regular terrain. please let me know if I am doing the math wrong or something else. I'd really appreciate it
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09-17-2015, 08:43 AM | #9 |
Drives: Thndr cl metallic HB 3 drs '05 Join Date: Mar 2006
Location: Panama City, Panama
Posts: 795
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09-17-2015, 08:48 AM | #10 | |
Drives: Thndr cl metallic HB 3 drs '05 Join Date: Mar 2006
Location: Panama City, Panama
Posts: 795
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Quote:
nope, I change it to 3 sometimes but i return it so it can shift to 4th
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09-17-2015, 12:47 PM | #11 | |
It's the illusion you see
Drives: 07 Yaris Sedan Aero Join Date: Oct 2006
Location: Brossard, QC
Posts: 3,888
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Quote:
I would calculate with reset trip, and drive until you fill up, and divide it with how much you filled until first click. Sent from my A0001 using Tapatalk |
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09-17-2015, 12:58 PM | #12 |
Drives: Thndr cl metallic HB 3 drs '05 Join Date: Mar 2006
Location: Panama City, Panama
Posts: 795
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I'll check it that way to see if there is any difference and keep you guys posted. That would fix the low mpg values on both cars, however, the gap between both cars is still huge, regardless of the wrong initial values, keeping in mind that i am using the same method for both cars. the numbers should be close, if not the same. We are talking about 112 miles more.
I would also like to add that this is the first tank that I measure, so I have to keep tracking them to get an average.
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09-17-2015, 01:04 PM | #13 |
Drives: 2014 Yaris SE Join Date: Apr 2014
Location: NYC
Posts: 1,076
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What does the trip computer show for MPG?
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09-17-2015, 01:24 PM | #14 |
Drives: '15 Yaris SE 5MT Join Date: Jun 2014
Location: Arizona (USA)
Posts: 1,058
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95% of my daily driving is "City Driving" (little/no severe 'traffic jam' type driving though), and my Average MPG Display indicates that I am averaging 38.x MPG. The amount of gas that I am purchasing weekly to fill back up validates those numbers.
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09-17-2015, 02:50 PM | #15 |
Drives: Thndr cl metallic HB 3 drs '05 Join Date: Mar 2006
Location: Panama City, Panama
Posts: 795
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Mine does not come with a consumption display so I have to do it manually.
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09-17-2015, 04:31 PM | #16 | |
Drives: 2014 Yaris SE Join Date: Apr 2014
Location: NYC
Posts: 1,076
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Quote:
BTW 1KPL=2.352MPG |
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09-17-2015, 08:26 PM | #17 |
Drives: Thndr cl metallic HB 3 drs '05 Join Date: Mar 2006
Location: Panama City, Panama
Posts: 795
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We measure it as kilometers per gallon, so I do the conversion from km to miles and do the rest of the math as usual
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09-17-2015, 08:59 PM | #18 |
Drives: 2006 Toyota Vitz 1.5Li Join Date: Jun 2015
Location: Auckland
Posts: 29
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I thought the standard measurements are either mpg (miles per imperial gallon) or kpl (km per liter). I was wrong, it's different where you're at, metric and english.
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