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what are people getting for real world gas mileage?

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Old 02-17-2014, 03:01 PM   #1
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Default what are people getting for real world gas mileage?

I know the theory, but for me, the real numbers don't come close to the ratings. Most local driving gives me about 13mpg. I have gotten 21 mpg on the highway driving between 75-90. Spirited driving gets me about 10-11 mpg.

Currently, my long term memory is showing 17.3 mpg with an average spped of 43 mph and my short term memory is showing 12.8 mpg with an average speed of 30.
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Old 02-17-2014, 03:11 PM   #2
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Check out Fuelly.com. They show 16 - 20 MPG

http://www.fuelly.com/car/audi/s6/2013
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Old 02-17-2014, 03:16 PM   #3
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Originally Posted by Vijay View Post
I know the theory, but for me, the real numbers don't come close to the ratings. Most local driving gives me about 13mpg. I have gotten 21 mpg on the highway driving between 75-90. Spirited driving gets me about 10-11 mpg.

Currently, my long term memory is showing 17.3 mpg with an average spped of 43 mph and my short term memory is showing 12.8 mpg with an average speed of 30.
Totally depends on driving style and city/hwy mix. On a recent highway trip to the Columbia gorge, I got 26 mpg. Shorter trips, when I'm blasting around town, it's closer to 14 mpg. We'll see what my first full tank averages out to.

I also just came from an E90 M3 and am hoping to get better overall mileage. Never saw over 17.5mpg on that car and with the smallish gas tank it wasn't uncommon to be filling up every 225 miles.
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Old 02-17-2014, 03:40 PM   #4
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Average over 10,000 miles is 18.6 mpg (US). Low has been 5.2 (track day) and highway mileage is somewhere north of 24 mpg (with indicated cruising mpg of close to 30).
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Old 02-17-2014, 04:56 PM   #5
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Fuelly average, 19 mpg.
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Old 02-17-2014, 05:11 PM   #6
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Recent 150 mile highway run with cruise control set at 80. Car computer said 25.3, based on gas consumed by measurement at fill-up mileage was 24.4 mpg.
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Old 02-17-2014, 06:08 PM   #7
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I think my city average comes out to around 15-16 MPG which drags my fuelly number down. On the highway if I'm driving like a reasonable person, I'll get 24-26 MPG.

The EPA figures are not based on blasting away from stoplights which is awfully hard not to do in this car lol.
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Old 02-17-2014, 06:37 PM   #8
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Quote:
Originally Posted by Vijay View Post
I know the theory, but for me, the real numbers don't come close to the ratings. Most local driving gives me about 13mpg. I have gotten 21 mpg on the highway driving between 75-90. Spirited driving gets me about 10-11 mpg.

Currently, my long term memory is showing 17.3 mpg with an average spped of 43 mph and my short term memory is showing 12.8 mpg with an average speed of 30.
You're getting right in line with what I'm getting. I was a little disappointed but what can you do? I thought the cylinder deactivation would've helped more but it appears to be active only when the car is coasting with foot off the gas and NOT when the car is stopped at a red light or in bumper-to-bumper traffic going 5-10 mph.
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Old 02-17-2014, 07:03 PM   #9
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You're getting right in line with what I'm getting. I was a little disappointed but what can you do? I thought the cylinder deactivation would've helped more but it appears to be active only when the car is coasting with foot off the gas and NOT when the car is stopped at a red light or in bumper-to-bumper traffic going 5-10 mph.
17.2 in mostly suburban traffic over 3000 miles.
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Old 02-17-2014, 07:28 PM   #10
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I get around 25 on the highway that I've calculated when the computer says I'm getting a little over 26. I typically drive between 80 and 100 on the highway. Around town the computer says I get 16 which I usually have heavy acceleration from lights. I don't typically calculate in my town driving so I'm not sure if it is off by the same amount.
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Old 02-18-2014, 05:11 AM   #11
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I use "Acar" app and after almost a year, my current average for the entire time is 17.56. The highest average I ever got out of a tankful was 19.95 and the lowest was 15.62.

The this is better than my old S6 for some reason which had a full time avg of 16.326.

Same driving habits too.
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Old 02-18-2014, 05:16 AM   #12
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The long term computer reads a little over 20. Most of my driving is a 25 mile highway commute with light traffic in the morning and moderate to heavy traffic in the evening. My best one way commutes read 30 mpg, but this is at a slight downhill and the car is in 4 cylinder mode most of the time.

For short trips around town, 12-15 is pretty common. Trying to accelerate gently doesn't seem to improve the stop and go mileage much at all.
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Old 02-18-2014, 07:35 AM   #13
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Made a trip down to Charleston cruising at 75 to 80 mph. Drove around town a lot then filled up during the trip home. Got 23.5 mpg which really isn't bad when you count in the city driving.

These cars have long legs, meaning they don't get good gas mileage making short trips. I was hoping to get 20 mpg around here in the suburbs but so far it has been 18.5 to 19.
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Old 02-18-2014, 09:26 AM   #14
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Quote:
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Made a trip down to Charleston cruising at 75 to 80 mph. Drove around town a lot then filled up during the trip home. Got 23.5 mpg which really isn't bad when you count in the city driving.

These cars have long legs, meaning they don't get good gas mileage making short trips. I was hoping to get 20 mpg around here in the suburbs but so far it has been 18.5 to 19.
18 to 19 around town is great mileage. Like you said, these cars use the most gas while accelerating from a stop.
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Old 02-18-2014, 10:59 AM   #15
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Like you said, these cars use the most gas while accelerating from a stop.
Another thing to note though, is how many people getting better mpg are getting into 8-4 cylinder deactivation mode.

Here in the northeast, the winter has been brutally cold. The cylinder deactivation doesnt kick in until the engine has reached a certain temp. Unfortunately for me, that is nearly 1/2 of the way to work since Im barely getting over 40mph to warm up the car.

In the summer my car is pretty much in 4cyl mode after about a mile of driving. Now in the winter its pretty much 5 miles. My commute is only 9 miles. Much worse mpg in the winter than summer.
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Old 02-18-2014, 11:11 AM   #16
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Hear hear! In winter I generally use about 25% more fuel for the same trip.
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Old 02-18-2014, 11:28 AM   #17
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Another thing to note though, is how many people getting better mpg are getting into 8-4 cylinder deactivation mode.

Here in the northeast, the winter has been brutally cold. The cylinder deactivation doesnt kick in until the engine has reached a certain temp. Unfortunately for me, that is nearly 1/2 of the way to work since Im barely getting over 40mph to warm up the car.

In the summer my car is pretty much in 4cyl mode after about a mile of driving. Now in the winter its pretty much 5 miles. My commute is only 9 miles. Much worse mpg in the winter than summer.
I've never run into the cylinder deactivation not kicking in due to the cold but that would make sense. Just another reason why those short trips are the worse for fuel economy. In that kind of cold combined with a short trip, I can imagine it being pretty bad.
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Old 02-18-2014, 11:52 AM   #18
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Driving in LA in traffic all the time and then gunning it as soon as I see daylight is giving me pretty bad gas mileage. I don't want to calculate it but I know it's nowhere near 20mpg.
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Old 02-21-2014, 01:04 AM   #19
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Default Its all relative to driving style and distance...

I have seen a range of gas mileage, which has all been dependent on driving style and distance. Below is some of the MPG numbers I've seen:

City:
  • Casual driving in comfort mode (warm engine) ~ 14-16 MPG
  • Aggressive driving in dynamic (warm engine) ~ 9-11 MPG
  • Driving in comfort or dynamic (cold engine) ~ 7-8 MPG

Highway:
  • Casual driving in comfort mode (50+ miles) making an effort to keep cylinder deactivation on (65-75 MPH) ~ 23-25 MPG
  • Casual driving in comfort mode (50+ miles / 75-90 MPH) ~ 18-20 MPG
  • Aggressive driving in dynamic mode (50+ miles / 80-1XX MPH) ~ 16 - 19 MPG

I'd say on average I'm getting 14-17 MPG per tank, as I spend very little time on the highway every week. While I'd love higher MPG numbers, I can't blame the car with my heavy foot.
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Old 02-21-2014, 02:06 PM   #20
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i get about 200-220ish miles, from full tank to when the last bar and red light turns on saying i have about 30-35 miles of range left.
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Old 02-21-2014, 02:06 PM
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