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10-04-2012, 03:39 PM | #2051 |
Scooby Specialist
Member#: 323103
Join Date: Jun 2012
Chapter/Region:
MAIC
Location: Columbia MD
Vehicle:2018 WRX Pure der |
is that mostly highway? thats pretty bad. are you weaving through traffic?
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10-04-2012, 03:49 PM | #2052 |
Scooby Specialist
Member#: 322264
Join Date: Jun 2012
Chapter/Region:
Tri-State
Location: Webster, NY
Vehicle:2012 Impreza Sp 5sp Obs Blk Prl/Drk Gray Mtl |
You think 27 mpg is bad for 80 mph? At that speed, I would expect a sub-30 mpg average.
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10-04-2012, 04:02 PM | #2053 | |
Scooby Specialist
Member#: 323103
Join Date: Jun 2012
Chapter/Region:
MAIC
Location: Columbia MD
Vehicle:2018 WRX Pure der |
Quote:
but i thought he was going 70mph as per his prior email. |
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10-04-2012, 04:28 PM | #2054 | |
Scooby Specialist
Member#: 328414
Join Date: Aug 2012
Location: Southern California
Vehicle:2012 Impreza SP 5MT obsidian pearl black |
Quote:
I was averaging 29.5 while doing 70 mph on the highway. I'm going to take it down to 65 for a few tanks. At 65 mph, it should take roughly 34 minutes to do the 37 miles. At 80 mph, it should take roughly 27.5 minutes to do the 37 miles. I can leave the house 7 minutes earlier if it will save me some cash. |
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10-04-2012, 05:10 PM | #2055 | |
Scooby Guru
Member#: 314216
Join Date: Mar 2012
Location: ND
Vehicle:2012 2.0i Sport 5MT DGM |
Quote:
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10-04-2012, 07:47 PM | #2056 | |
Scooby Specialist
Member#: 206332
Join Date: Mar 2009
Location: In a tent
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Quote:
http://www.dieselnet.com/standards/cycles/hwfet.php |
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10-04-2012, 07:59 PM | #2057 |
Scooby Newbie
Member#: 308742
Join Date: Feb 2012
Location: Orange County
Vehicle:2012 Impreza Sport Marine Blue Pearl |
I've had my Impreza since January and have put about 4500 miles on the car so far. My commute to work is about 8-9 miles one way and it's all surface streets, no highway. If I drive conservatively I average about 29.5-30 mpg. When I don't drive as conservatively, I think the lowest I've seen was just under 28mpg.
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10-04-2012, 08:51 PM | #2058 |
Scooby Specialist
Member#: 206332
Join Date: Mar 2009
Location: In a tent
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I think the biggest factors for me have been outside air temp, engine temp, type of fuel (ethanol based vs. not), outside wind direction, terrain and traffic. All of those seem to play into the mpg factor.
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10-04-2012, 09:01 PM | #2059 |
Scooby Specialist
Member#: 73068
Join Date: Oct 2004
Location: MD
Vehicle:2008 STI Boost Wagon 2014 Honda Accord Hybrid |
He's averaging 44 MPH. This video is a lie. Notice that there is no tenths column in the number. What a jackarse.
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10-04-2012, 09:28 PM | #2060 |
Scooby Specialist
Member#: 73068
Join Date: Oct 2004
Location: MD
Vehicle:2008 STI Boost Wagon 2014 Honda Accord Hybrid |
What happened to the video??
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10-04-2012, 10:23 PM | #2061 |
Scooby Guru
Member#: 314216
Join Date: Mar 2012
Location: ND
Vehicle:2012 2.0i Sport 5MT DGM |
Didn't think to check my tires this morning before going to work. My gas mileage sucked this morning big time, but not just due to underinflated tires they was also 3"of slush i was plowing though and a 40mph headwind. Was getting 23mpg at 55mph.
Tonight with a 15mph tailwind i was only getting 28mpg at 75, which i know is low. Car was also sluggish in the handling department. When i got home after my 41 mile commute u checked my tires and they were all below 30, the front were down 6, while the back were down 5. Overinflating didn't seem to help much but underinflated site makes a big impact! |
10-04-2012, 10:43 PM | #2062 | |
Scooby Specialist
Member#: 313093
Join Date: Mar 2012
Chapter/Region:
VIC
Location: Vancouver Area
Vehicle:2012 Impreza 2.0i 5-door Sport. Dark Grey |
Quote:
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10-04-2012, 10:51 PM | #2063 | |
Scooby Guru
Member#: 314216
Join Date: Mar 2012
Location: ND
Vehicle:2012 2.0i Sport 5MT DGM |
Quote:
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10-04-2012, 11:15 PM | #2064 | |
Scooby Newbie
Member#: 315470
Join Date: Apr 2012
Chapter/Region:
NESIC
Location: Massachusetts
Vehicle:2012 Impreza LTD Marine Blue Pearl |
Quote:
Drag on the car increases by the square of speed (says Wikipedia), not linear. So, the faster you go the more the effect of the drag difference is amplified. If you like to drive faster than EPA uses for estimates, you could expect to to see the lower drag car get better mileage than the higher Cd car all else being equal. Sort of makes sense to me, but I have to leave the math to others. Interesting post on efficiency in this forum at http://forums.nasioc.com/forums/show...5&postcount=14, don't know if he's right - says power required increases by ^3 with speed.. |
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10-05-2012, 01:09 AM | #2065 |
Scooby Specialist
Member#: 313093
Join Date: Mar 2012
Chapter/Region:
VIC
Location: Vancouver Area
Vehicle:2012 Impreza 2.0i 5-door Sport. Dark Grey |
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10-05-2012, 06:13 AM | #2066 |
Scooby Specialist
Member#: 322264
Join Date: Jun 2012
Chapter/Region:
Tri-State
Location: Webster, NY
Vehicle:2012 Impreza Sp 5sp Obs Blk Prl/Drk Gray Mtl |
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10-05-2012, 06:32 AM | #2067 | |
Scooby Guru
Member#: 314216
Join Date: Mar 2012
Location: ND
Vehicle:2012 2.0i Sport 5MT DGM |
Quote:
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10-05-2012, 07:32 AM | #2068 |
Scooby Specialist
Member#: 317014
Join Date: Apr 2012
Chapter/Region:
Tri-State
Location: NY/CA
Vehicle:2017 Crosstrek ISM |
We are getting an early Fall out here so I am hoping for early snowfall this season.
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10-05-2012, 11:52 AM | #2069 |
Scooby Newbie
Member#: 41654
Join Date: Aug 2003
Chapter/Region:
Tri-State
Location: NJ
Vehicle:2005 Impreza WRX STi 2012 Sport Limited |
My normal commute is 12 miles each direction, all highway with hills and sometimes windy. I lock the cruise control at 70 mph and average 26 mpg.
This weekend, I took a 120 mile trip each direction. Again locked the cruise control at 70 mph. I estimated that I was on my way to 32 mpg but Fuelly shows I only managed 28 mpg! I ride my motorcycle half the time for my commute. I can get 40 mpg like everybody else with my bike. I don't think the problem is my route, I think it's my Impreza. The low MPG is very disappointing to me. |
10-05-2012, 12:02 PM | #2070 |
Scooby Guru
Member#: 314216
Join Date: Mar 2012
Location: ND
Vehicle:2012 2.0i Sport 5MT DGM |
Even after airing up my tires i was only managing 23mpg this morning again at 81mph into a 30mph headwind. So i guess that isn't bad as the car was seeing a combined 110mph wind, but still. Temp was 31f
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10-05-2012, 12:30 PM | #2071 |
Scooby Specialist
Member#: 323103
Join Date: Jun 2012
Chapter/Region:
MAIC
Location: Columbia MD
Vehicle:2018 WRX Pure der |
get a sedan. im avg 39mpg, digital readout 42mpg
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10-05-2012, 12:40 PM | #2072 |
Scooby Specialist
Member#: 206332
Join Date: Mar 2009
Location: In a tent
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10-05-2012, 01:16 PM | #2073 | |
Scooby Guru
Member#: 314216
Join Date: Mar 2012
Location: ND
Vehicle:2012 2.0i Sport 5MT DGM |
Quote:
I used to see around 26-27 at the same speed but not as much wind and not as cold |
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10-05-2012, 03:23 PM | #2074 |
Scooby Specialist
Member#: 323103
Join Date: Jun 2012
Chapter/Region:
MAIC
Location: Columbia MD
Vehicle:2018 WRX Pure der |
im sure type of impreza makes a difference too. MT vs cvt, sedan vs hatch. MT has 50/50 power split besides having only 5 gear ratios. cvt isnt always a 50/50 power split. These differences plus C_d apparently being different could add up. More reasons im happy with my decision.
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10-05-2012, 04:14 PM | #2075 |
Scooby Newbie
Member#: 327531
Join Date: Jul 2012
Chapter/Region:
Tri-State
Location: Upstate NY
Vehicle:2013 Impreza Sport MBP |
After my first 380 miles, about 70% highway, 30% city, my average is 30.1. Very pleased!
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