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Old 10-08-2012, 01:04 PM   #2101
Zeeper
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It is no different than the manual transmission, 5th gear in cruise control on a "moderate" hill and the car will start slowing down.

Power is adequate, but you have to downshift for sure!
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Old 10-08-2012, 01:09 PM   #2102
subiTWO
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Quote:
Originally Posted by ocellaris View Post
As I noted, I set the cruise control between 46 and 51. Going up a hill, the car will lose a few MPH (like to 43MPH or below) .

I see. Didn't realize you were driving that slow.
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Old 10-08-2012, 01:20 PM   #2103
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Quote:
Originally Posted by Zeeper View Post
It is no different than the manual transmission, 5th gear in cruise control on a "moderate" hill and the car will start slowing down.

Power is adequate, but you have to downshift for sure!
I am really just concerned to see how the MPG is when using M mode the whole time I have Cruise Control on. I wasn't trying to start comments on the power level of the car
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Old 10-08-2012, 01:21 PM   #2104
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Quote:
Originally Posted by Zeeper View Post
It is no different than the manual transmission, 5th gear in cruise control on a "moderate" hill and the car will start slowing down.

Power is adequate, but you have to downshift for sure!
The same hill on my STI I am able to accelerate quickly. I know, I know they are completely different cars, not really trying to make a comparison. Just poking fun.
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Old 10-08-2012, 01:29 PM   #2105
DrummerDaveB
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6k miles now on my '12 MT Sport

Best mpg to date (actual, not trip computer) is 32.
That was all mostly flat interstate (except stopping for gas), running 70-72 on cruise.
I see a noticeable loss in mileage from 70 on up.
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Old 10-08-2012, 01:51 PM   #2106
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Quote:
Originally Posted by ST Eye View Post
The same hill on my STI I am able to accelerate quickly. I know, I know they are completely different cars, not really trying to make a comparison. Just poking fun.
And on the same hill with my ZRX I can't open it up, because the front wheel will start to lift off the ground.

The powerband on the impreza has to be manually tweaked or it falls on its face. But it is only a 2 liter engine, without a turbo, so it is what it is.

For the record, it is no worse power wise than other 2 liter engine cars I've owned, but the gearing is so tall in 4th and 5th that in those gears it seems to be less powerful than my 2008 hyundai elantra.

However, AWD FTW, and feels more solid overall, handles much better, and only gets 2-3 less overall mpg than the hyundai managed.
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Old 10-08-2012, 01:53 PM   #2107
Karl in MN
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Quote:
Originally Posted by DrummerDaveB View Post
I see a noticeable loss in mileage from 70 on up.
I agree. I have come to the conclusion that if I keep my speed closer to 60 I can easily obtain/beat the 36 MPG highway estimate. At 70 mine is closer to 32 MPG.
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Old 10-08-2012, 02:26 PM   #2108
Penguin44
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Another 300km trip today to the inlaws ugh. Calculated 6.4l/100km there, 5.8 back. Going there has some elevation of about 3000ft. Overall a great hwy car. I loves it! Btw speed was set on cruise at 105kph.
CVT base 5door
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Old 10-08-2012, 02:56 PM   #2109
myrt1987
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to the inlaws ugh.
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Old 10-08-2012, 05:28 PM   #2110
n00b on demand
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I think this car does great on the highway. The city is a different story.
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Old 10-08-2012, 06:28 PM   #2111
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Originally Posted by n00b on demand View Post
I think this car does great on the highway. The city is a different story.
If it comforts you any, it is a pretty safe car to protect you from other terrible urban drivers.

AWD in the city is a bit overkill, though. There is a reason the NYC now has some cabs that are hybrids (prius)


Last edited by Zeeper; 10-08-2012 at 06:43 PM.
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Old 10-08-2012, 09:22 PM   #2112
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Quote:
Originally Posted by Zeeper

If it comforts you any, it is a pretty safe car to protect you from other terrible urban drivers.

AWD in the city is a bit overkill, though. There is a reason the NYC now has some cabs that are hybrids (prius)

Video Link: http://en.wikipedia.org/wiki/Hybrid_taxi
When i was in Winnipeg last year, almost every cab i saw was a prius
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Old 10-08-2012, 09:30 PM   #2113
n00b on demand
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So i just filled up....I had 286 miles on this tank and filled up 11.3 gallons. The trip computer said 28.5 MPG???
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Old 10-08-2012, 09:31 PM   #2114
n00b on demand
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I also hate having this stupid digital meter. I wish we had a regular gauge for fuel.
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Old 10-08-2012, 09:33 PM   #2115
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Quote:
Originally Posted by n00b on demand View Post
I also hate having this stupid digital meter. I wish we had a regular gauge for fuel.
Are you referring to the ECO meter? If so, what don't you like about it?
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Old 10-08-2012, 09:35 PM   #2116
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I think he is referring to the trip computer. However we do have a regular gas gauge, not sure what he meant by that.
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Old 10-08-2012, 09:36 PM   #2117
n00b on demand
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I'm not talking about having digital MPG....im talking about the fuel gauge. I would rather have a needle rather than a meter with bars.
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Old 10-08-2012, 09:36 PM   #2118
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redundant
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Old 10-08-2012, 10:24 PM   #2119
cny12owner
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Got a chance to see what a prolonged drive at 50-55 mph would do, MPG-wise, this weekend. Drove from Lake Placid, NY to Watertown, NY via Rts. 86 and 3. Approximately 125 miles of winding, twisting road, with rolling hills. Had the car loaded with 3 adults and weekend bags. Driving was at night, in the rain, temperature in the high 30's to mid 40's. Averaged 36.6 mpg for the run according to the display. The additional 70 miles from Watertown to Syracuse on I-81 under the same conditions, but at 67 mph, dropped the total average MPG to 33.0 mpg. About where I figured the numbers might end up, given the conditions.

While in Lake Placid, took the Whiteface Veterans Memorial Highway up to the top of Whiteface Mtn., a 2300' vertical climb over 5 miles of road at 25 MPH. Saw at least one other '12 Impreza up there during the visit. Car performed well, both going up and down. Put the CVT into the manual mode for the trip down, and found 2nd and 3rd to control the speed without riding the brakes.
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Old 10-08-2012, 10:42 PM   #2120
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Originally Posted by bobdole888 View Post
I agree that the torque converter not locking up when the CVT is not warm really hurts the short trip mpg. My 1 way trip to work is only 8 miles, of which 3 miles are weigh down by the CVT not locking up issue. Despite this, I'm still getting 31mpg on nearly 50/50 city/hwy driving. So I'm right at EPA estimate of 30 mixed. I imagine my mpg would be 2mpg better if the CVT can lock up independent of temperature.

I think the other critical factor is the GAS! I seem to have gotten 2-3 more mpg from Rotten Robbie 87 gas here in NorCal. There's got to be some difference in the formulation that's causing the difference. Maybe it's got less ethanol, or my car knock's less with it.
I'm certainly not claiming Rotten Robbie is superior in any way. I have not used Shell, Chevron, etc, yet. I can only say that my impreza likes Rotten Robbie more than 76 and Valero. I'll be doing experiments later to see if 89 or 91 octane gas would produce even better mpg.
There's a lot of gas to try, and I only fill up once every 2 weeks, so it'll be a long time before I can figure out what's the best gas mpg/$.
For now Rotten Robbie 87 is giving my 2-3 more mpg, so I'll stick with that.

I'm sure for EPA testing, they must have used best gas for mpg. Most likely pure gas without ethanol. There are lots of states in the US that requires ethanol be blended in gas. One can easily get 2-3 less mpg with ethanol blend gas compare to pure gas.
I just proved myself wrong on the effect of gas.
I went back to using Unocal 76 regular 87 gas and got the same mpg as the rotten robbie gas. I'm still puzzled as to what has given my the better mpg.
The only explanation at this point is some how the car broke in more and became more efficient.

The other possible explanation is tire pressure. I had done some experiments before I switched to rotten robbie gas where I increased tire pressure to 40psi. Although at the time I didn't see any mpg improvement.
Maybe I can try lowering the tire pressure back down to 32 and see if mpg drops.
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Old 10-09-2012, 09:29 AM   #2121
pxpaulx
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Quote:
Originally Posted by n00b on demand View Post
So i just filled up....I had 286 miles on this tank and filled up 11.3 gallons. The trip computer said 28.5 MPG???
That is why we always ask for the actual calculated MPG in this thread. The computer MPG read-out is useless, you actually got 25.3mpg. Don't expect the next tank to be on the high side either.

I've had the trip computer read 35.7 after over 300 miles that turned into 31.8 actual calculate mpg - it usually isn't that far off, but it most definitely has never been close to the computer mpg once calculated (typically 1.5-2.5 lower when calculated for me).
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Old 10-09-2012, 09:37 AM   #2122
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And even calculated MPGs are questionable due to the variability of when the pump clicks off.

The only car I ever trusted my calculated MPG on was my VW TDI. You can't do this with gas cars because it would cause emissions damage, but on the TDI you could fill the tank with diesel until you could actually see the fuel at the top of the filler neck. When you have a visual confirmation like that, you **know** that you're filling to a consistent level.

With gas cars, it's a crap shoot regardless of whether you do a calculation or not.
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Old 10-09-2012, 09:38 AM   #2123
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Quote:
Originally Posted by pxpaulx

That is why we always ask for the actual calculated MPG in this thread. The computer MPG read-out is useless, you actually got 25.3mpg. Don't expect the next tank to be on the high side either.

I've had the trip computer read 35.7 after over 300 miles that turned into 31.8 actual calculate mpg - it usually isn't that far off, but it most definitely has never been close to the computer mpg once calculated (typically 1.5-2.5 lower when calculated for me).
Are you accounting for the odometer error? I have had a few tanks be right on and most of the time I'm w/in 1mpg. But as stated in the post above there is variability so you will never be perfect
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Old 10-09-2012, 09:42 AM   #2124
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Originally Posted by sgoldste01 View Post
You think 27 mpg is bad for 80 mph? At that speed, I would expect a sub-30 mpg average.
I just took my first interstate road trip. Went 310 miles, basically all interstate between 65-75mph. MPG = 25.4. I'm not exactly impressed with this, I have been getting around 29mpg on my normal commute. I'm not expecting 36mpg at these speeds, but I wasn't expecting 25 either, that's even below the estimated city mpg.
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Old 10-09-2012, 09:45 AM   #2125
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Quote:
Originally Posted by imprzya

I just took my first interstate road trip. Went 310 miles, basically all interstate between 65-75mph. MPG = 25.4. I'm not exactly impressed with this, I have been getting around 29mpg on my normal commute. I'm not expecting 36mpg at these speeds, but I wasn't expecting 25 either, that's even below the estimated city mpg.
What was the wind? In zero wind my 5sp will get 31ish at 75. Throw in some headwind and it will start to drop, more than 10mph and it will really drop fast
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