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Old 09-21-2013, 09:28 AM   #751
goregasm
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Quote:
Originally Posted by flyboy1100 View Post

On that kind of commute my old car, even when it was new, would get 15mpg, and it was rated at 21mpg city I think. Buick regal with a 3.8l v6
It doesn't matter to much I suppose. I could make 70 4-mile trips on a tank if it's making 20mpg.
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Old 09-21-2013, 10:36 AM   #752
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ya, the trip is so short your engine probably never even gets to temp, let alone the transmission.

unless you do that trip multiple times per day you really only have to fill up 1x per month!
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Old 05-14-2014, 06:09 PM   #753
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Wanted to add some data here. I've owned a 2014 Impreza Limited CVT PZEV since 12/30/2013, and the mpg's have been disappointing.

4314 Odometer miles, 13 tank fills. I always top off the tank at refills, and all mileage has been hand-calculated.

Avg mpg: 24.1
best mpg: 27.1 <==80% freeway miles here
worst mpg: 21.8 <==95% city miles here
last tank mpg: 22.7 <==85% city miles here

Car is driven by my wife, who drives like a granny, and is a very safe driver as our 2 young children often accompany her in the vehicle.

Nowhere near the EPA estimates. Going to take it in to the dealer Thursday to have it evaluated. Warmer weather has not improved mpg's, sadly.

My other car is a 2004 Legacy GT 5MT with 80,000 odometer miles, and I drive it like a madman, and average 23.5 mpg lifetime on the car. Sigh.

As others have indicated with PZEV models, tachometer rpm's are high, and the behavior of this vehicle is very puzzling when engine is cold.

MPG is only complaint on this car. Love it, but why oh why did WA State have to stick us with PZEVs? Seems other folks with non-PZEV CVTs are faring well ... anyone with a non-PZEV want to trade?
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Old 05-14-2014, 11:53 PM   #754
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Quote:
Originally Posted by tazzarias View Post
Wanted to add some data here. I've owned a 2014 Impreza Limited CVT PZEV since 12/30/2013, and the mpg's have been disappointing.

4314 Odometer miles, 13 tank fills. I always top off the tank at refills, and all mileage has been hand-calculated.

Avg mpg: 24.1
best mpg: 27.1 <==80% freeway miles here
worst mpg: 21.8 <==95% city miles here
last tank mpg: 22.7 <==85% city miles here

Car is driven by my wife, who drives like a granny, and is a very safe driver as our 2 young children often accompany her in the vehicle.

Nowhere near the EPA estimates. Going to take it in to the dealer Thursday to have it evaluated. Warmer weather has not improved mpg's, sadly.

My other car is a 2004 Legacy GT 5MT with 80,000 odometer miles, and I drive it like a madman, and average 23.5 mpg lifetime on the car. Sigh.

As others have indicated with PZEV models, tachometer rpm's are high, and the behavior of this vehicle is very puzzling when engine is cold.

MPG is only complaint on this car. Love it, but why oh why did WA State have to stick us with PZEVs? Seems other folks with non-PZEV CVTs are faring well ... anyone with a non-PZEV want to trade?

It doesn't matter what state, all Impreza's have been made PZEV since April 2012. My car was built in Nov 2011, I live in a non-PZEV state and I have a PZEV model. I average 29 mpg over 44K miles.
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Old 05-15-2014, 05:26 AM   #755
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Quote:
Originally Posted by stevehnm View Post
Other than the fuel economy, this is a great car. However, there has been much discussion in other threads about the fact the CVT does not get the advertised MPG, backed up by this observation:

The fact that Consumer Reports has tested several vehicles that get the same highway mpg, yet are rated consistently lower. Very consistently. The sedan (at CR's 35 mpg) is particularly woeful, as the other cars are rated at 30 +/- 2 MPG EPA highway, yet still get the same mpg in real world testing, with a tight spread. The actual numbers are a mean of 29.9 MPG with a standard deviation of 1.311, meaning the 36 mpg EPA highway rating by Subaru is so far out in left field that it is 4.63 standard deviations away from the crowd. This means that if there were a half million cars in this same spread, the Subaru Impreza would have a better than 50/50 chance of being the worst.

So, the question is, how can Subaru improve the fuel economy of the Impreza? In the 200,000 miles I plan(ned?) to keep the car it will cost me an extra $5,000 extra dollars for fuel, since the real world EPA highway MPG should be 30 MPG.

I got the information here:

http://www.consumerreports.org/cro/c...erformance.htm

and the actual data is this:

Subaru Impreza sedan Premium 4-cyl CVT___ 36

Acura TL Base V6 ______________________29
Acura TSX 4-cyl ________________________30
Audi A4 sedan Premium 4-cyl______________29
Ford Mustang coupe Premium V6 MT________29
Dodge Avenger Mainstreet 4-cyl___________31
Lexus ES 350 V6_______________________31
Mazda MX-5 Miata Grand Touring 4-cyl MT___28
Nissan Altima 3.5 SL V6 CVT______________31
Subaru Legacy 2.5i Premium 4-cyl CVT______32
Volkswagen CC Sport 4-cyl_______________31
Volvo C30 T5 1.0 5-cyl MT ________________28
Volvo S60 T5 5-cyl______________________30



My suggestion would be go on eBay and buy an blutooth obd2 scanner. So you can get an accurate reading by using an app called ( OBD DROID scann ).
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Old 05-15-2014, 09:14 AM   #756
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Ever since I put in mag1 oil I swear my MPG has taken a significant hit. When it was cold I was getting ****ing 18 MPG city! I think a W12 Bentley can get better mileage.

Definitely getting a UOA and going back to Mobile 1 AFE next change.
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Old 05-15-2014, 12:02 PM   #757
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^^I looked up the specs on Mag 1 0W20:

40*C cSt - 42.31
100*C cSt - 8.06
VI - 167

That 8.06 is the lowest I think I've ever seen for 20 weight, which means it really thin and "should" be providing good mpg's. Something else had to be attributing to getting 18 mpg besides the oil......assuming you used 0W20 and not a thicker grade.
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Old 05-15-2014, 03:06 PM   #758
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Hmm... I just realized I'm using a **** tier gas station now because the top tier ones near me are way more expensive lately. That could be a few mpg right there.
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Old 05-15-2014, 03:13 PM   #759
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Quote:
Originally Posted by Thefifth View Post
Hmm... I just realized I'm using a **** tier gas station now because the top tier ones near me are way more expensive lately. That could be a few mpg right there.
AFAIK, the top tier stations add a bit of detergent to their fuel to clean the injectors and valves as it runs through. Shouldn't effect mileage very much
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Old 05-15-2014, 05:20 PM   #760
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It has in the past though. Last summer I got like 28 on BP and 33 on holiday.
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Old 05-15-2014, 05:49 PM   #761
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Quote:
Originally Posted by Thefifth View Post
It has in the past though. Last summer I got like 28 on BP and 33 on holiday.
There was a guy here, when I first purchased my scoob, that claimed he couldn't get more than 19 mpgs out of his. Not sure if his was a cvt, but I'll give you the same advice;

Take it out onto a nice, long, flat stretch of highway that is hopefully empty, then set your cruise control to around 60 mph. Reset one of your trip odometers then cruise for twenty miles.

I would say (depending the driving conditions) that it should avg 35+ mpg. If it doesn't, contact your dealer.
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Old 05-15-2014, 06:54 PM   #762
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The point is that all other cars get their Highway rating driving normally. I can get 38 if I drive like a grandma but previously when I did that I'd get 43-45.
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Old 05-16-2014, 10:55 PM   #763
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Quote:
Originally Posted by Thefifth View Post
The point is that all other cars get their Highway rating driving normally. I can get 38 if I drive like a grandma but previously when I did that I'd get 43-45.
Was your previous car all time awd?
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Old 05-16-2014, 10:57 PM   #764
hemophilic
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The point is Subaru massaged the 2012+ Impreza to do well in the EPA test which unfortunately has little to do with real world for most people.
I bought one and part of the reasoning included efficiency. I'm 10% disappointed. Oh well.
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Old 05-17-2014, 10:11 AM   #765
Thefifth
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Quote:
Originally Posted by flyboy1100 View Post
Was your previous car all time awd?
When I said previously I meant last year, not my last car.
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Old 05-17-2014, 10:27 AM   #766
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Quote:
Originally Posted by Thefifth View Post

When I said previously I meant last year, not my last car.
Oh. Check your air filter?
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Old 09-04-2014, 01:39 PM   #767
Iron Bender
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Quote:
Originally Posted by flyboy1100 View Post
Was your previous car all time awd?
Why would that matter? Whether a vehicle is AWD or not should have already factored into the EPA ratings. Does AWD cause a larger variation in real world fuel economy?
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Old 09-04-2014, 01:41 PM   #768
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Quote:
Originally Posted by tazzarias View Post
Wanted to add some data here. I've owned a 2014 Impreza Limited CVT PZEV since 12/30/2013, and the mpg's have been disappointing.

4314 Odometer miles, 13 tank fills. I always top off the tank at refills, and all mileage has been hand-calculated.

Avg mpg: 24.1
best mpg: 27.1 <==80% freeway miles here
worst mpg: 21.8 <==95% city miles here
last tank mpg: 22.7 <==85% city miles here

Car is driven by my wife, who drives like a granny, and is a very safe driver as our 2 young children often accompany her in the vehicle.

Nowhere near the EPA estimates. Going to take it in to the dealer Thursday to have it evaluated. Warmer weather has not improved mpg's, sadly.

My other car is a 2004 Legacy GT 5MT with 80,000 odometer miles, and I drive it like a madman, and average 23.5 mpg lifetime on the car. Sigh.

As others have indicated with PZEV models, tachometer rpm's are high, and the behavior of this vehicle is very puzzling when engine is cold.

MPG is only complaint on this car. Love it, but why oh why did WA State have to stick us with PZEVs? Seems other folks with non-PZEV CVTs are faring well ... anyone with a non-PZEV want to trade?
That pretty much mirrors our experience. Disappointed with the fuel economy.

EPA MPG rating must be for blue haired, fair weather flatlanders.
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Old 09-04-2014, 01:43 PM   #769
MA83
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My folks have had that exact same experience on with their 14 Forester. No where near EPA estimates and the dealership says there's nothing wrong with it.
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Old 09-04-2014, 02:21 PM   #770
tazzarias
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Is the 14 Forester a PZEV CVT model?
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Old 09-04-2014, 02:43 PM   #771
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Yes. It's the 2.5 instead of the 2.0 like the Impreza, but it's still a pzev with the cvt.
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Old 09-04-2014, 02:47 PM   #772
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It's still rated for 32/34, but the best they've ever seen on a tank even with a majority of the driving at 60 mph is 24.7mpg.
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Old 09-04-2014, 03:17 PM   #773
Tha Chakal
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Quote:
Originally Posted by MA83 View Post
It's still rated for 32/34, but the best they've ever seen on a tank even with a majority of the driving at 60 mph is 24.7mpg.
What's your MPG look like?

Read my post up further in this thread, have them do that. You're up in the mountains (I'm sure elevation will hurt MPGs, too) , but surely there has to be some flat stretches of highway to try it on.
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Old 09-04-2014, 03:40 PM   #774
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A full tank, long trip, in the mountains can actually be far better gas mileage than on flat. I was sitting mid 50s after a couple hundred miles or so in the mountains before getting back on I-25 in CO one trip. If you don't need to go 75-80 mph, your downhill mileage more than makes up for your uphill mileage, and you actually come out ahead of just being on flat where absolute perfect conditions (no wind, flat, E0 summer gas, warmer weather) I get ~44mpg (42 hand calculated, but figure in the odo error, and it's right around 44).

This was a section of my US-285 from Denver to Cortez and US-160 Cortez to I-25 portion in the trip.
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Old 09-04-2014, 03:41 PM   #775
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Also remembering that this engine guzzles gas like no other cold. Starting up one morning after camping at Great Sand Dunes, the first 10 minutes or so I was getting 8 mpg...that's why I say full tanks. I can't imagine being able to break even 15 mpg with short trips in the mountains. I can hardly stay above 20 mpg in the winter here short trips.
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