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Old 06-24-2012, 07:33 PM   #1351
ST Eye
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Originally Posted by TJMA View Post
I just drove to Cape Cod,Ma.and back from Connecticut. My Impreza has 3000 miles. The car got 35.6 mpg.
That's great! Just out of curiosity, was that according to the trip computer or calculation? CVT or 5 Speed?
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Old 06-25-2012, 01:07 PM   #1352
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The Impreza is a four door sedan with a cvt. The mpg is the trip computer number.
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Old 06-25-2012, 01:25 PM   #1353
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Default 95% highway road trip results

I took my first longish road trip in my ISM Sport this weekend. From SEA to PDX roundtrip. 377 total miles, 95% freeway miles. Trip computer had it at 51 mph avg and 33 MPG. Hand calculated = 31.6 MPG. It's the best MPG I have ever seen for a tank on my ISM but obviously I would expect that with an all highway trip! This is my second highway trip with the car (the other one was about 240 miles RT) and the MPG was about the same.
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Old 06-25-2012, 02:29 PM   #1354
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Originally Posted by seaflipper View Post
I took my first longish road trip in my ISM Sport this weekend. From SEA to PDX roundtrip. 377 total miles, 95% freeway miles. Trip computer had it at 51 mph avg and 33 MPG. Hand calculated = 31.6 MPG. It's the best MPG I have ever seen for a tank on my ISM but obviously I would expect that with an all highway trip! This is my second highway trip with the car (the other one was about 240 miles RT) and the MPG was about the same.
That seems low. Something really does seem off on your car.
I drive in the Seattle area and can fairly easily get 34-35 mpg calculated (36+ gauge)
On all freeway, including going over the local passes. I have heard people getting 40mpg on the relatively flat Portland run, assuming you stay at the speed limit, which it sounds like you did.
On the other hand my wife reset the meter after getting the 3000 mile oil change, and the meter is showing 15mpg after a couple days of her driving around town. ... 8 miles worth.
We are resigned to short hops being BAD gas milage in ANY car. We just have a gauge to notice it now.
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Old 06-25-2012, 02:36 PM   #1355
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Originally Posted by thom52 View Post
That seems low. Something really does seem off on your car.
I drive in the Seattle area and can fairly easily get 34-35 mpg calculated (36+ gauge)
On all freeway, including going over the local passes. I have heard people getting 40mpg on the relatively flat Portland run, assuming you stay at the speed limit, which it sounds like you did.
On the other hand my wife reset the meter after getting the 3000 mile oil change, and the meter is showing 15mpg after a couple days of her driving around town. ... 8 miles worth.
We are resigned to short hops being BAD gas milage in ANY car. We just have a gauge to notice it now.
Yeah, I thought it seemed low the PDX trip is pretty flat. Did not use cruise control on purpose. Generally kept it at or about the speed limit (so 70 or so when it was 70 and 65 ish through Tacoma.)

I'll see what the "fuel consumption test" they are doing to my car on Wednesday at the dealer (at the suggestion of the SOA regional manager) turns up although I'm not holding my breath!
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Old 06-25-2012, 03:39 PM   #1356
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Test drove the brz today. Had a huge grin on my face coming back in the lot after doing 120 on the expressway.

Gave back the key finished with it like i would to a cheap ..... . Lol
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Old 06-25-2012, 11:21 PM   #1357
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Originally Posted by Shotokan07 View Post
Test drove the brz today. Had a huge grin on my face coming back in the lot after doing 120 on the expressway.

Gave back the key finished with it like i would to a cheap ..... . Lol
It appears that in a fit of pure joy you've probably found the most inappropriate thread on this entire forum to post this fragment of your wonderful day for all of us!
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Old 06-26-2012, 05:31 PM   #1358
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Crap... You're right. Didnt mean to post it here... Im sure i did not see over 10mpg on my run :} hahhaha
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Old 06-26-2012, 05:47 PM   #1359
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It appears that in a fit of pure joy you've probably found the most inappropriate thread on this entire forum to post this fragment of your wonderful day for all of us!
Yes, please, only complaining and whining and bad news. For a minute there, I was starting to feel good.

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Old 06-26-2012, 05:53 PM   #1360
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Feel good for me friend.
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Old 06-26-2012, 10:27 PM   #1361
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For those asking on the previous page. I usually drive between 65-75, depending on traffic flow. 15 of the 16 miles of my commute is on the highway.

I just finished another tank at 26.4 mpg. I feel like, even by 1000 miles, I should be doing considerably better than that.
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Old 06-26-2012, 11:55 PM   #1362
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How fast do you accelerate? Do you watch the ECO gauge? Is your A/C on? Stop and go traffic?
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Old 06-27-2012, 11:40 AM   #1363
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Right foot is the key. When I drive my Sport I easily get 5 MPG more than when my son drives it - he likes to get up to speed as fast as possible (>5k RPMs).
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Old 06-27-2012, 12:03 PM   #1364
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Originally Posted by G-Omaha View Post
Right foot is the key. When I drive my Sport I easily get 5 MPG more than when my son drives it - he likes to get up to speed as fast as possible (>5k RPMs).
Agreed. I've started using the ECO meter as a kind of game. I know if the needle is above the half-way mark, then my average MPGs are actively increasing. Keeping the needle above the half-way mark gets more and more challenging as your average MPG number goes up. It's kind of fun!
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Old 06-27-2012, 12:47 PM   #1365
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Originally Posted by G-Omaha View Post
Right foot is the key. When I drive my Sport I easily get 5 MPG more than when my son drives it - he likes to get up to speed as fast as possible (>5k RPMs).
Interesting, I have heard both sides. Some say that accelerating slowly is the most fuel efficient. Some say that you want to get up to speed quickly then cruise for the best gas mileage. I have been pondering this thought for a while now.
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Old 06-27-2012, 12:49 PM   #1366
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Sure, accelerate faster to save gas. BOGUS.

Not for a 5 speed, I think they were talking about the CVT to get it to lock up sooner.
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Old 06-27-2012, 01:32 PM   #1367
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i have wondered about this for a while, but here is one thing i've noticed:

since babying the car and trying to optimize mileage early on, i have been a bit more spirited in my acceleration, and i've seen a slight drop in mileage around town. so i think for my CVT (without any hard evidence), i think that gentler acceleration yields better mileage.

yet, i do tend to use the ECO gauge from time to time to play a game while cruising and trying to keep my speeds steady.
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Old 06-27-2012, 02:39 PM   #1368
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Sure, accelerate faster to save gas. BOGUS.

Not for a 5 speed, I think they were talking about the CVT to get it to lock up sooner.
I have the CVT.
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Old 06-27-2012, 02:43 PM   #1369
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Sometimes I use the cruise control to accelerate, like resetting it after it cancels when making a turn. I noticed it accelerates much smoother and at lower RPMs than I'm able to do manually.
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Old 06-27-2012, 08:21 PM   #1370
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I am wondering how you all are breaking 30 mpg I have a 75 mile round trip commute. It is 80% hwy and the best i have been able to get is an avg. of 28.4 according to the car and 26.954 calculated by me. I get on the hwy set the cruse and let the car do the work. Im not accelerating fast or anything. Are you cars completly stock or have you put a better air filter ect. on? Any help would be Great Thanks
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Old 06-27-2012, 08:29 PM   #1371
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I am wondering how you all are breaking 30 mpg I have a 75 mile round trip commute. It is 80% hwy and the best i have been able to get is an avg. of 28.4 according to the car and 26.954 calculated by me. I get on the hwy set the cruse and let the car do the work. Im not accelerating fast or anything. Are you cars completly stock or have you put a better air filter ect. on? Any help would be Great Thanks
what are you setting your speed to be for the cruise control?

is your drive really hilly? are you using A/C?

when was your car built? if you haven't followed this thread closely, you may have missed the often discussed TSBs which require the dealer to reprogram a couple of things in some the earlier cars built in 2011 or so...
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Old 06-27-2012, 09:08 PM   #1372
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No I haven't followed closely I just found this tread today.My impreza was made 1/12 so I will Check on the TSBs. I have tried setting the cruise control at 65 and at the speed limit of 70 and i get the same mpg. My drive does have quite a few large hills but with close to equal flats I tried using the eco meter to get better mpgs on the the hills but found it close to the cruise after a tank of fuel so went back to the cruise thanks.
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Old 06-27-2012, 09:51 PM   #1373
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Interstate driving at 65-75 MPH gets me 28-32 MPG, and driving the two-lane at 45-55 MPH gets me 40-42 MPG, currently up to 1400 miles on the car. A/C costs me 1-2 MPG, it appears. Worst drops in MPG occur in city driving (traffic light to traffic light) and on quick accelerations. I've been watching the RPM's, fuel economy needle, and the instantaneous MPG display to try to adjust my driving habits to get better gas mileage more of the time. The CVT definitely changes how you need to drive... not like the traditional AT where the shift points are fairly consistent.
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Old 06-27-2012, 11:19 PM   #1374
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2012 2.0i 5 door 5MT

Just over 1000 miles on the car.

180 miles of highway cruising.

34.6 mpg, according to trip computer.
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Old 06-28-2012, 12:51 AM   #1375
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Originally Posted by Climber65201 View Post
No I haven't followed closely I just found this tread today.My impreza was made 1/12 so I will Check on the TSBs. I have tried setting the cruise control at 65 and at the speed limit of 70 and i get the same mpg. My drive does have quite a few large hills but with close to equal flats I tried using the eco meter to get better mpgs on the the hills but found it close to the cruise after a tank of fuel so went back to the cruise thanks.
definitely search the forum for the TSBs and check with your dealer. you mileage seems way too low IMHO. i think that although city mileage on this car can be very poor (stop and go traffic), it does pretty well cruising the highway 65-70. i'm not sure what the other 20% of your drive entails, but i would say your "80%" driving should be yielding at least 35mpg, thus making your overall numbers way too low.
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