Real City Mileage Sucks.

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Old Mar 16, 2012 | 11:47 AM
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Real City Mileage Sucks.

I don't know what city Acura tests their estimated mileage, but here is the mileage I get driving around center city Philadelphia where these is stop sign or a light every block, and highly unpredictable traffic patterns. You never know who will stop to parallel park or pull out, or who will walk out in the middle of the street with the cars parked on both side as you drive. I drive and MT and rarely get to 3rd gear if at all. Shift RPMs are between 2.5k to 3.5k.





I use 93 gas for those who are wondering.
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Old Mar 16, 2012 | 11:56 AM
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Try shifting earlier. If you're waiting until 3.5k to shift, you're almost certainly going to see poorer fuel mileage than expected. You should probably be shifting up between 2k and 2.5k rpm in most situations. It's going to feel slow, but that's the cost of getting better fuel economy.

Also, make sure you're not taking the car out of gear approaching a stop until you are nearly at a stand still. This helps ensure that no fuel is being used for as long as possible since as the engine speed is falling, little to no fuel is being injected into the cylinders.

Should help you see an increase in your fuel economy after a couple weeks to adapt.
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Old Mar 16, 2012 | 11:57 AM
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well the epa testing for gas mileage is consistent across car brands so that rules out acura messing with the figures. Regardless, I'd say your gas mileage figure is pretty good for philadelphia, especially given the fact that you might have to stop and start 15+ times in the course of a mile
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Old Mar 16, 2012 | 11:59 AM
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gas mileage sucks?

time to move to an ILX.
I bet you'll be happier
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Old Mar 16, 2012 | 12:07 PM
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Gas mileage is relative. Over the 48k miles that I owned my BMW, I averaged a hair under 20mpg. In the 2k miles that I've owned my TSX, I've averaged 25.8mpg and haven't gone on any trips yet.

City driving sucks up gas unless you're driving a hybrid.
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Old Mar 16, 2012 | 12:11 PM
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Originally Posted by justnspace
gas mileage sucks?

time to move to an ILX.
I bet you'll be happier
I think the ILX will be the same as I would get 2.4L model. But my commute is only .8 miles each way, so gas is really not the issue . I am just pointing out the real mileage one can expect from this car in a heavy city driving.

Also, you would thing car will have better gas mileage coasting with the clutch full disengaged approaching the stop sign or a light?
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Old Mar 16, 2012 | 12:20 PM
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Your AVERAGE speed says it all. 9 mph, don't blame Acura, blame Philly
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Old Mar 16, 2012 | 12:30 PM
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Originally Posted by ken1997tl
your average speed says it all. 9 mph, don't blame acura, blame philly
+1
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Old Mar 16, 2012 | 12:38 PM
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Originally Posted by Ken1997TL
Your AVERAGE speed says it all. 9 mph, don't blame Acura, blame Philly
I am just posting what the real world numbers are for those wondering. I love both Philly and TSX equally.
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Old Mar 16, 2012 | 12:42 PM
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Originally Posted by iamitman
Also, you would thing car will have better gas mileage coasting with the clutch full disengaged approaching the stop sign or a light?
Actually, if you have it in gear below a certain rpm, the injectors shut off.

having it in neutral coasting, the injectors are ON. WORSE GAS MILEAGE.
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Old Mar 16, 2012 | 01:09 PM
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Originally Posted by justnspace
Actually, if you have it in gear below a certain rpm, the injectors shut off.

having it in neutral coasting, the injectors are ON. WORSE GAS MILEAGE.
I guess I will give that a shot as Philly roll thru the stop signs.
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Old Mar 16, 2012 | 01:12 PM
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I just got 19.7 on a 14gal fill up today for the v6. This tank was only driving to work and back, which each day is 10 miles round trip. 2 miles freeway, 8 miles parking lot.

edit: in the pictures it looks like you only went 1 mile on that tank so far?
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Old Mar 16, 2012 | 01:13 PM
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Originally Posted by iamitman
I guess I will give that a shot as Philly roll thru the stop signs.
on the 3rd gen TL the injectors shut off at 900rpm.
so if I keep it in gear, coasting....I'm not wasting gas.
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Old Mar 16, 2012 | 01:19 PM
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When I drive like you around here, 2.5-3.5 shifts, i too average 17ish. I recently limited myself to 2.5-3 and now my car says 19.6 try it out and save yourself some gas.
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Old Mar 16, 2012 | 01:29 PM
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Originally Posted by opboarding
I just got 19.7 on a 14gal fill up today for the v6. This tank was only driving to work and back, which each day is 10 miles round trip. 2 miles freeway, 8 miles parking lot.

edit: in the pictures it looks like you only went 1 mile on that tank so far?
Yes. Same one mile each way to work that accounts for 70% of driving time in the car.
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Old Mar 16, 2012 | 01:54 PM
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Originally Posted by iamitman
I think the ILX will be the same as I would get 2.4L model. But my commute is only .8 miles each way, so gas is really not the issue . I am just pointing out the real mileage one can expect from this car in a heavy city driving.

Also, you would thing car will have better gas mileage coasting with the clutch full disengaged approaching the stop sign or a light?
If my commute was only .8 miles, I would not own a car; I'd walk or bike, and rent one for long trips.
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Old Mar 16, 2012 | 01:59 PM
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Originally Posted by iamitman
I think the ILX will be the same as I would get 2.4L model. But my commute is only .8 miles each way, so gas is really not the issue . I am just pointing out the real mileage one can expect from this car in a heavy city driving.

Also, you would thing car will have better gas mileage coasting with the clutch full disengaged approaching the stop sign or a light?
Originally Posted by Ken1997TL
Your AVERAGE speed says it all. 9 mph, don't blame Acura, blame Philly
Originally Posted by iamitman
Yes. Same one mile each way to work that accounts for 70% of driving time in the car.
The car needs to warm up to get halfway decent gas mileage. At .8 miles to work (why do you even drive? It must take longer than walking) the car doesn't even get close to warming up and the engine is just sucking up gas in big gulps.

The EPA city cycle assumes that you have a warmed up car by the time you are done with the cycle, so those 17mpg (cold) even out with the 24 warm to give you that 22 city figure.

I have about a 30 mile one way trip to work. About 5 miles of that is complete stop and go traffic around my office.

On the road to the office I average about 25.8mpg and on the way back (in similar traffic) I average 23. Why? Simple - my engine is cold on those first 5 miles of stop and go traffic in the evening, but the engine is nice and warm when I hit that same traffic in the morning.
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Old Mar 16, 2012 | 02:11 PM
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Originally Posted by Professor
If my commute was only .8 miles, I would not own a car; I'd walk or bike, and rent one for long trips.
I have car for 2 reasons:

1. I have to visit work sites often, and 3 company pool cars are almost never available when I need to go out.

2. I like having a car to not rely on anyone for a ride.
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Old Mar 16, 2012 | 08:57 PM
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Originally Posted by iamitman
I am just posting what the real world numbers are for those wondering. I love both Philly and TSX equally.
That's not real world numbers. That's real Philly numbers.

Philly is not the world.
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Old Mar 16, 2012 | 09:25 PM
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Originally Posted by TSXy Luster
That's not real world numbers. That's real Philly numbers.

Philly is not the world.
Yea it is! They shot a season here!
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Old Mar 16, 2012 | 09:44 PM
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haha when i first got the car and drove 97% local, i had 19.9 mpg. then i reset it and drove 80% hwy, and got close to 30 mpg, (~29.8ish) now im doing a mix 60% local 40% highway, im getting ~26 mpg
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Old Mar 16, 2012 | 10:27 PM
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Originally Posted by iamitman
My commute is only .8 miles each way
That's your problem right there. You're never driving you car when it's warmed up. Plus, you're probably still in winter in Philly, so the car's even colder when you're driving it. I spent almost 2 years with my first gen 6MT and a ~1 mile commute, and in the winter especially, my mileage was always terrible, like under 20.

I've only ever owned 3 cars, one Honda and 2 Acuras, and they consistently got better significantly MPG than they were rated. This makes no sense to me. Isn't the EPA test like 50 mph on the highway? And somehow I can drive 70-72 and get 15% better mileage? My wife's Fusion Sport is rated 18/27 and she probably gets around 16 in mostly city driving. She's filling up every ~250 miles, it's ridiculous. I'd be inclined to buy another Honda over other cars rated higher MPG just because of real world experience like this.
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Old Mar 16, 2012 | 10:35 PM
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Yeah, I have a short commute everyday, and my MID shows less than 19 MPG. If I ever go on a road trip, though, I reset it, and I get 30+. Pretty awesome.
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Old Mar 16, 2012 | 10:56 PM
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Originally Posted by Ken1997TL
Your AVERAGE speed says it all. 9 mph, don't blame Acura, blame Philly


Originally Posted by justnspace
Actually, if you have it in gear below a certain rpm, the injectors shut off.

having it in neutral coasting, the injectors are ON. WORSE GAS MILEAGE.


Originally Posted by justnspace
on the 3rd gen TL the injectors shut off at 900rpm.
so if I keep it in gear, coasting....I'm not wasting gas.


Originally Posted by ceb
The car needs to warm up to get halfway decent gas mileage. At .8 miles to work (why do you even drive? It must take longer than walking) the car doesn't even get close to warming up and the engine is just sucking up gas in big gulps.

The EPA city cycle assumes that you have a warmed up car by the time you are done with the cycle, so those 17mpg (cold) even out with the 24 warm to give you that 22 city figure.

I have about a 30 mile one way trip to work. About 5 miles of that is complete stop and go traffic around my office.

On the road to the office I average about 25.8mpg and on the way back (in similar traffic) I average 23. Why? Simple - my engine is cold on those first 5 miles of stop and go traffic in the evening, but the engine is nice and warm when I hit that same traffic in the morning.
CEB FTW!

Originally Posted by scheißterhöffer
That's your problem right there. You're never driving you car when it's warmed up. Plus, you're probably still in winter in Philly, so the car's even colder when you're driving it. I spent almost 2 years with my first gen 6MT and a ~1 mile commute, and in the winter especially, my mileage was always terrible, like under 20.

I've only ever owned 3 cars, one Honda and 2 Acuras, and they consistently got better significantly MPG than they were rated. This makes no sense to me. Isn't the EPA test like 50 mph on the highway? And somehow I can drive 70-72 and get 15% better mileage? My wife's Fusion Sport is rated 18/27 and she probably gets around 16 in mostly city driving. She's filling up every ~250 miles, it's ridiculous. I'd be inclined to buy another Honda over other cars rated higher MPG just because of real world experience like this.
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Old Mar 17, 2012 | 10:40 AM
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Originally Posted by scheißterhöffer
That's your problem right there. You're never driving you car when it's warmed up. Plus, you're probably still in winter in Philly, so the car's even colder when you're driving it. I spent almost 2 years with my first gen 6MT and a ~1 mile commute, and in the winter especially, my mileage was always terrible, like under 20.

I've only ever owned 3 cars, one Honda and 2 Acuras, and they consistently got better significantly MPG than they were rated. This makes no sense to me. Isn't the EPA test like 50 mph on the highway? And somehow I can drive 70-72 and get 15% better mileage? My wife's Fusion Sport is rated 18/27 and she probably gets around 16 in mostly city driving. She's filling up every ~250 miles, it's ridiculous. I'd be inclined to buy another Honda over other cars rated higher MPG just because of real world experience like this.
It is not really a problem, the .8 miles to work!
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Old Mar 17, 2012 | 01:56 PM
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get scangauge 2. it will display your instant fuel flow in gallons or liters per hour. i found that leaving it in neutral while coasting does NOT save you gas. fuel injectors still inject about 0.7-1 GHP. however once you are at a full stop then switch to neutral. fuel flow will fall about 20% at idle in neutral. Just leave in D otherwise, computer does everything right for you. messing with tiptronic/paddle-shifters only increases consumption in my experience. i noticed an increase in engine by just switching to S mode, even in 5th gear. as always clean ATF fluid will also help. im getting 22mpg in rushour traffic with my suby which has a slightly larger 2.5l engine (+awd) using these tactics. also its not a bad idea to turn off engine at red lights or during long stops.

Last edited by pickler; Mar 17, 2012 at 02:00 PM.
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Old Mar 17, 2012 | 03:27 PM
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Warming up helps but iamitman's real problem are those lights that are causing the 9mph average speed on this commute. The only vehicle that will give decent mileage on that commute is a hybrid- even a smart car would suck but would suck less than the TSX.

If you have long lights to wait at, try turning off the motor and see if that helps.

I'm actually impressed that you can get 17MPG actually.
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