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Old 02-12-2017, 07:51 PM   #28651
bji
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My impression is the exact opposite. I get around 9-11 l/100km in city but i only get 8-10l/100km on highway unless i go slower than 110km/h. But everyone drives around 140 so i feel not safe going slower.
If my metric to English units conversions are correct, my city driving economy is about the same as yours, but my highway economy is much better. Pure highway miles is more like 7.8l/100km (30 mpg). 10l/100km on the highway is kind of atrocious - that's 23.5 miles per gallon, which is a city driving number.

Is your highway driving cruising, or stop-start at rush hour?

By the way I have a manual 2016 Impreza Sport Premium 5-door, so if you have a 5-door with 17 inch wheels we should be comparing apples to apples.

Oh I should mention, my highway cruise speed is 125 km/hour (78 mph). If you are going lots faster you would see reduced economy, although your numbers still seem low to me. If you are going lots slower like drpoop at < 70 mph (< 113 km/hr) then your economy will be better as he reported.
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Old 02-12-2017, 10:07 PM   #28652
binnkim
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Originally Posted by bji View Post
If my metric to English units conversions are correct, my city driving economy is about the same as yours, but my highway economy is much better. Pure highway miles is more like 7.8l/100km (30 mpg). 10l/100km on the highway is kind of atrocious - that's 23.5 miles per gallon, which is a city driving number.

Is your highway driving cruising, or stop-start at rush hour?

By the way I have a manual 2016 Impreza Sport Premium 5-door, so if you have a 5-door with 17 inch wheels we should be comparing apples to apples.

Oh I should mention, my highway cruise speed is 125 km/hour (78 mph). If you are going lots faster you would see reduced economy, although your numbers still seem low to me. If you are going lots slower like drpoop at < 70 mph (< 113 km/hr) then your economy will be better as he reported.


Thisis very helpful. I think I can get 7-8 ish if I try but I never bother.

I have 17" wheel as well but I do have Mudflap which is aerodynamically punishing.
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Old 02-12-2017, 10:57 PM   #28653
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Originally Posted by drpoop View Post
Does anyone think the highway mpg rating is fine but the city is bs?

I can usually get 36-40 on the highway no problem until I go 70+. But in the city, it's like 23-24mpg. And combined only like 27.
My highway isn't as good as yours. More like 31-32mpg. My city is horrible, like 21-22mpg

I gun it everywhere city and highway with the CVT.
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Old 02-12-2017, 10:59 PM   #28654
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All I know is next time I get a car I'll ask for an extended test drive and see what the actual MPG is like. I've read some dealers will give you a day or two to give a car a real test drive instead of just that 15 minute BS most people get
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Old 02-12-2017, 11:12 PM   #28655
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With my dealership they let me take the car home overnight. That was kinda cool.
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Old 02-12-2017, 11:17 PM   #28656
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Yeah but you're Canadian, I'm guessing they also insisted you don't owe them anything and the last person who accidentally cut you off stopped, got out, and apologized profusely.
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Old 02-13-2017, 01:00 AM   #28657
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With my dealership they let me take the car home overnight. That was kinda cool.
I bought mine never having driven one or seen the color I ordered. This is because I wanted a manual transmission and the dealer didn't have a single manual transmission vehicle of any kind on the lot except for some BRZs. I had already done all the reading research I could and was pretty sure this was the car I wanted; so I just took the plunge and ordered it. Figured the worst was I'd be out my $500 deposit if I didn't like the car.

It's turned out fine though. There are some things I don't like but overall I'm very happy and I really don't think there's another car in the price range, or even for $5,000 more, that I would have liked better.
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Old 02-13-2017, 03:16 AM   #28658
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Originally Posted by bji View Post
I bought mine never having driven one or seen the color I ordered. This is because I wanted a manual transmission and the dealer didn't have a single manual transmission vehicle of any kind on the lot except for some BRZs. I had already done all the reading research I could and was pretty sure this was the car I wanted; so I just took the plunge and ordered it. Figured the worst was I'd be out my $500 deposit if I didn't like the car.

It's turned out fine though. There are some things I don't like but overall I'm very happy and I really don't think there's another car in the price range, or even for $5,000 more, that I would have liked better.
Glad that worked out for you!
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Old 02-13-2017, 03:22 AM   #28659
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Yeah but you're Canadian, I'm guessing they also insisted you don't owe them anything and the last person who accidentally cut you off stopped, got out, and apologized profusely.
Haha it doesn't really work like that. Tons of douchy people and crappy ass drivers that have no business being on the roads.
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Old 02-13-2017, 07:52 AM   #28660
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I ended up buying the one I test drove. Did the typical around the block on my own. Had the exact configuration I was looking for. Though I kind of wish I got one straight from the truck, since I'm sure mine saw some wind outs of the engine, including during my test drive...

I did test out a base model a few months prior to driving mine, and that route got me out on the freeway, climbing some steep hills, variable turns, etc. Was a good route. So I already knew the car I wanted after that.

But an extended test drive sounds amazing, too good to be true. I don't think anyone would've let me do that straight out of college for a first car though ***128518;

Last edited by supertoast; 02-13-2017 at 08:03 AM.
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Old 02-13-2017, 08:31 AM   #28661
logcar
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Originally Posted by logcar View Post
Has anyone ever used Cquence brake rotors?
http://www.cquence.net

Any thoughts on these?
They offer drilled and slotted options.
Think this got over looked as the last post on the last page
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Old 02-13-2017, 09:42 AM   #28662
binnkim
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Originally Posted by bji View Post
If my metric to English units conversions are correct, my city driving economy is about the same as yours, but my highway economy is much better. Pure highway miles is more like 7.8l/100km (30 mpg). 10l/100km on the highway is kind of atrocious - that's 23.5 miles per gallon, which is a city driving number.

Is your highway driving cruising, or stop-start at rush hour?

By the way I have a manual 2016 Impreza Sport Premium 5-door, so if you have a 5-door with 17 inch wheels we should be comparing apples to apples.

Oh I should mention, my highway cruise speed is 125 km/hour (78 mph). If you are going lots faster you would see reduced economy, although your numbers still seem low to me. If you are going lots slower like drpoop at < 70 mph (< 113 km/hr) then your economy will be better as he reported.


So I drove for about 1.5 hours on highway this morning and really closely looked at my fuel economy. I do get 7.8 l/100km at around 120-125 km/h. But only on a very flat stretch of straight line. My drive was more of a wavy, so it constantly went between 7.0 to 11.0 l/100km (downhill and uphill). But for the most part, 7.8 is in the lower range for me.

I run on blizzak ws-70s (their winter tires from costco) on 16" right now. It snowed a lot last night so highway was semi-wet + salt covered. I'm also on TH rev3 tune so this probably had big impact.

I wonder what makes your car slightly more fuel efficient than mine.

I also talked to a local 2012 impreza driver and he gets around 6-7 on highway.

Btw, today I learned our car is rev-limited at 7k. I thought I broke the engine. LoL scary
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Old 02-13-2017, 10:13 AM   #28663
CLL_OBP
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Quote:
Originally Posted by logcar View Post
Has anyone ever used Cquence brake rotors?
http://www.cquence.net

Any thoughts on these?
They offer drilled and slotted options.
I haven't used their rotors but I would never buy those ceramic Posi-Quiet pads again. They were the dustiest ceramic pads I've ever used.

When and if I need to buy rotors, I'm buying blanks. I have no need for holes and sluts.
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Old 02-13-2017, 11:17 AM   #28664
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Quote:
Originally Posted by logcar View Post
Has anyone ever used Cquence brake rotors?
http://www.cquence.net

Any thoughts on these?
They offer drilled and slotted options.
Do NOT buy drilled and slotted rotors. They are known for breaking at the holes catastrophically which could = you dead. They offer minimal to no advantage in any way unless you are obsessed with the look. If you like the look, get dimpled rotors. They look drilled but they're not drilled through so they won't explode when you're braking some day.

I'd honestly get whatever the cheapest brand name rotors you can find are. It's not a track car, and even if you're using it on the track, the stock brakes do fine and don't need an upgrade.
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Old 02-13-2017, 11:52 AM   #28665
DieselDorf
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I haven't noticed a significant difference between my snow and all seasons for mpg.

It will clearly be worse when it's slushy or snowy but pretty similar if it's dry.

Here are my numbers with the stock all seasons and CVT

75-80 mph- 32
65mph - 37

City- really depends on driving habits. If I'm in a hurry then it's in the mid to low 20s. If I drive efficiently I can get close to 30
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Old 02-13-2017, 12:18 PM   #28666
logcar
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Originally Posted by drpoop View Post
Do NOT buy drilled and slotted rotors. They are known for breaking at the holes catastrophically which could = you dead. They offer minimal to no advantage in any way unless you are obsessed with the look. If you like the look, get dimpled rotors. They look drilled but they're not drilled through so they won't explode when you're braking some day.

I'd honestly get whatever the cheapest brand name rotors you can find are. It's not a track car, and even if you're using it on the track, the stock brakes do fine and don't need an upgrade.
If anything I'd only be getting slotted ones. They do offer dimpled as well.
But thanks for the advice on drilled holes.
Would 276.8mm x 24mm fit
Or 292mm x 24mm
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Old 02-13-2017, 01:21 PM   #28667
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When I said drilled and slotted I meant either or. You do not want that liability in your car. Both are awful.

I'm not sure what the rotor size is. Find a rotor you know would fit on another website and see what the measurement is.
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Old 02-13-2017, 01:33 PM   #28668
bji
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Originally Posted by binnkim View Post
I wonder what makes your car slightly more fuel efficient than mine.
I drive mostly straight roads in the warmth of California
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Old 02-13-2017, 01:53 PM   #28669
CLL_OBP
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Quote:
Originally Posted by logcar View Post
If anything I'd only be getting slotted ones. They do offer dimpled as well.
But thanks for the advice on drilled holes.
Would 276.8mm x 24mm fit
Or 292mm x 24mm
2012 rotors are 277 mm x 24 mm. The rear is 274 mm x 10 mm. Don't know if they changed over the years. I only have the 2012 FSM.

As far as the type of rotors, drilled / slotted don't offer any advantage over a blank rotor in normal driving. If this were a high performance sport car and you drive it hard or track it, go for it. On an N/A Impreza that takes ~10 seconds to get to 60mph, why bother, unless you have custom wheels to show it off.
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Old 02-13-2017, 02:08 PM   #28670
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I'm not going to say it again. Slotted rotors shred pads and are dangerous. Drilled rotors are also extremely dangerous unless you're paying about $500 per rotor for an extremely high quality one.

You buy them anyway, and the rotors blow up on the highway some day, you'll wonder why you didn't listen to me and buy the cheaper rotors that do the EXACT SAME THING.
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Old 02-13-2017, 03:28 PM   #28671
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Originally Posted by drpoop View Post
Does anyone think the highway mpg rating is fine but the city is bs?

I can usually get 36-40 on the highway no problem until I go 70+. But in the city, it's like 23-24mpg. And combined only like 27.
if you have horrible, major city, stop and go, the 27mpg number is impossible. i see around 22-23mpg visiting San Francisco. yet, i think it's legit based on how EPA classifies city.

yet, the other thing that drives city numbers down is that our cars take a long time to warm up to full temp (oil) so while it's warming up, it is eating up tons of gas.

i can definitely see 27-30mpg in town (suburbia) if i'm driving around a lot and the car is warmed up. but for my barely warmed up 4-5 mile stretches, it's probably about 21mpg since the car is really inefficient when it's warming up.

as for highway, the car definitely is in the 35-40mpg range if i keep it under 70. over 70, the mileage drops much more precipitously than my prior cars. (best tank has been right around 40mpg)
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Old 02-13-2017, 03:37 PM   #28672
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Quote:
Originally Posted by drpoop View Post
Does anyone think the highway mpg rating is fine but the city is bs?

I can usually get 36-40 on the highway no problem until I go 70+. But in the city, it's like 23-24mpg. And combined only like 27.
I think the city is BS. I think they expect you to live in butt **** nowhere and have 1 stop sign every mile or something. Or drive like a damn grandma and piss off every one off.
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Old 02-13-2017, 03:41 PM   #28673
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Quote:
Originally Posted by logcar View Post
Has anyone ever used Cquence brake rotors?
http://www.cquence.net

Any thoughts on these?
They offer drilled and slotted options.
Never heard of them. Don't get drilled rotors, or drilled and slotted rotors. They're prone to cracking, unlike real slotted rotors that are casted to shape. However, they can still crack under the right conditions.

Quote:
Originally Posted by drpoop View Post
Do NOT buy drilled and slotted rotors. They are known for breaking at the holes catastrophically which could = you dead. They offer minimal to no advantage in any way unless you are obsessed with the look. If you like the look, get dimpled rotors. They look drilled but they're not drilled through so they won't explode when you're braking some day.

I'd honestly get whatever the cheapest brand name rotors you can find are. It's not a track car, and even if you're using it on the track, the stock brakes do fine and don't need an upgrade.
This.. I rock vatozone solid rotors on the impreza. They're cheap and do just as well as some name brand stuff.

Quote:
Originally Posted by drpoop View Post
I'm not going to say it again. Slotted rotors shred pads and are dangerous.
Slotted rotors do shred pads, but why is it dangerous? I've rocked slotted rotors without issues.....
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Old 02-13-2017, 04:42 PM   #28674
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It's just well known that unless you're paying a ****load of money, you're getting cheaply made rotors, and drilled and slotted both cause extreme stress points around the holes, which = high failure rate.
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Old 02-13-2017, 05:47 PM   #28675
theoutbackdream
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Originally Posted by drpoop View Post
It's just well known that unless you're paying a ****load of money, you're getting cheaply made rotors, and drilled and slotted both cause extreme stress points around the holes, which = high failure rate.
I definitely agree for drilled and, drilled and slotted rotors, but not for slotted rotors, which is where I'm confused on your post.

Slotted rotors are completely fine, other than them wearing down the pad more aggressively.
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