MPG, What's your story?

TheVazha · 02-22-2010, 01:10 AM

Hi Guys,

I'm sure this has been discussed here before but I am very interested to see what you guys have to say. A couple days ago I was rolling on empty and filled my tank to the brim with 92 Octane. I reset my trip meter to see what I'd get as far as MPG on a full tank to empty. Anyway, I checked the numbers and I'm getting average 8.6 MPG in city driving. I was careful not to beat her up, and for the most part drove like a normal person with the occasional WOT (cant help myself, you understand). What numbers are you seeing? I'm not heavily modded

-LET Tune
-Eisenmann Sport
-Res Delete

(I have been rolling around on 20in Monarchs but I'm not sure how much the weight would affect MPG's...)

Thanks for your input!!

P.S. Godfather, if you read this, sell me your Forgestars!

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Godfather@ONE Autosport · 02-22-2010, 02:21 AM

Quote:

Originally Posted by TheVazha

Hi Guys,

I'm sure this has been discussed here before but I am very interested to see what you guys have to say. A couple days ago I was rolling on empty and filled my tank to the brim with 92 Octane. I reset my trip meter to see what I'd get as far as MPG on a full tank to empty. Anyway, I checked the numbers and I'm getting average 8.6 MPG in city driving. I was careful not to beat her up, and for the most part drove like a normal person with the occasional WOT (cant help myself, you understand). What numbers are you seeing? I'm not heavily modded

-LET Tune
-Eisenmann Sport
-Res Delete

(I have been rolling around on 20in Monarchs but I'm not sure how much the weight would affect MPG's...)

Thanks for your input!!

P.S. Godfather, if you read this, sell me your Forgestars!

lol which ones? the F10's? They went with the car. I sold it last Friday :/

NSX2NV · 02-22-2010, 03:39 AM

11.xx mpg. I reset my trip everytime I fill and that's the number. I drive very conservatively in comfort mode. Thought I'd try Sport mode to see if starting in 1st would make a difference and it was 10.xx. I do have a sprint booster and didn't know if that made a difference so I took it off. Halfway through the tank now so we'll see. Don't expect anything higher than 11 though. Best I've seen is 12.xx. I pour 94 everytime too. Oh yeah it's all city driving. I get on the highway for about 5 miles a week to and from church that's all.

BlackCard · 02-22-2010, 02:20 PM

I have the new Eurocharged Tune and on highways I'm still getting 19.1+ I rarely drive city only. Lov'n it!

grantwoodtx · 02-22-2010, 02:26 PM

I get 8.6 MPG when I get after it. 10.3 when I'm not (which is fairly seldom) & 18.6 driving highway @85mph set on cruise control.

CharlyE500 · 02-22-2010, 02:27 PM

I got mix about 15MPG, 60% freeway and 40% local.
One time I drove round trip to SanDiego, I got 19MPG with 91.Oct
I have stock 18" rims, maybe 20" is the problem...

alextaylor29 · 02-22-2010, 02:48 PM

I drive 100 miles a day to and from work, 70% highway and get 19-22 MPG if you can believe that. I drive *relatively* conservatively as we have tons of speed cameras here but I do occassionally put the boot to it.

citylightva · 02-22-2010, 03:09 PM

Different engine and tranny but I combine about 15-16mpg on 93. Miles wise it's probably about 70% Highway 30% city.

Luke_M · 02-22-2010, 03:16 PM

16.8mpg and rising over the last 12,xxx miles. I drive 14 miles to work on a highway so that helps. I drive it really easy with the occasional burst. City driving kills it as does WOT.

Road Racer · 02-22-2010, 06:30 PM

12 mpg when Im just barely touching the gas pedal. Not fun at all!
9-9.5 mpg when Im having FUN!
Here in my country...it is city miles all the time

Highway is on the outside of the city only

I dont have any mods (yet), but im running a heavy set of 19s.

My question is:
What to expect with the following mods Im doing it next month:
180 pulley
82mm TB
Eurocharger tune
Headers, X-pipe

If anyone have this mods, please let us know your avarage MPG

sy1616 · 02-22-2010, 07:28 PM

Drove it pretty hard for an hour, speeds up to 90, 14.6mpg.

slownrusty · 02-22-2010, 07:30 PM

Sitting in the garage it get 10mpg!!

citylightva · 02-22-2010, 08:04 PM

Quote:

Originally Posted by slownrusty

Sitting in the garage it get 10mpg!!

Hahaha I know right...Makes you wonder if you're going to run out of gas warming it up...If you get 10mpg, but never move, what does that mean...

blackbenzz · 02-22-2010, 09:08 PM

My hybrid supercharged V8

cahiil55k · 02-22-2010, 09:14 PM

10 city / 21 hwy / 14.5 combined in the crowded streets and highways of San Francisco

daniel3ooo · 02-22-2010, 09:20 PM

I'm getting just about 14.0 mpg that with 80% city and 20% freway

tgoss · 02-22-2010, 10:09 PM

Quote:

Originally Posted by daniel3ooo

I'm getting just about 14.0 mpg that with 80% city and 20% freway

+1 That's just about where I'm at with the same driving conditions.

dr_brains510 · 02-22-2010, 10:57 PM

Since buying my 03 with 50K miles on it, I decided to make a spreadsheet of how many miles, gallons, mpg, etc I get. I just got through my first full tank of gas (91 octane) and the computer read 13.3 mpg. For this full tank I only drove city. I want to see how well I'd do on the highway.

AWOL · 02-22-2010, 11:42 PM

23 highway

average 15-16 on my weekly commute which is 60%city, 40 highway

LET and self made scoops

930chas · 02-23-2010, 06:48 AM

I get around 15-16 mpg which is around 5-6 mpg better then I got with the M5.

TheVazha · 02-23-2010, 12:41 PM

Thanks guys for posting. It is apparent that I'm running rich. I am almost on empty and since the "reset" I'm at 7.6 MPG. I'll post the pic today. Can anyone tell me thoughts on why?

jdeastbay · 02-23-2010, 01:48 PM

I stopped looking, life is much easier that way

cahiil55k · 02-23-2010, 11:12 PM

Quote:

Originally Posted by TheVazha

Thanks guys for posting. It is apparent that I'm running rich. I am almost on empty and since the "reset" I'm at 7.6 MPG. I'll post the pic today. Can anyone tell me thoughts on why?

What is your average mph that shows up on your display? Do you idle alot or let your car warm up before you drive? I think it's dumb that the counter includes time spent in Park or Neutral. I averaged 7 mpg during today's rain when it took 5 minutes to travel 3 blocks. Stop and go traffic will kill your gas mileage.

NSX2NV · 02-24-2010, 01:48 AM

Quote:

Originally Posted by TheVazha

Thanks guys for posting. It is apparent that I'm running rich. I am almost on empty and since the "reset" I'm at 7.6 MPG. I'll post the pic today. Can anyone tell me thoughts on why?

The computer isn't accurate. It counts idle time and while you're parked like cahiil55k just said. It does get a more accurate reading the longer you let it go without reseting since it does average the numbers. The way I do it is I make sure to fill the tank all the way and reset the trip. Next time I fill up I just take how many miles I've driven divided by the amount of gas I just put in. Also I write the number of miles I drove on my receipt so I can have a record of it. Got price, gallons, miles fully documented

That little compartment next to the glove box is filled with receipts

Don't forget to reset the trip again.

mugatu22 · 02-24-2010, 03:39 AM

I'd like to see a correlation between:

1) Avg MPG

2) Avg rear tire lifespan

For some reason I suspect those of you averaging single-digit MPG also average 5-9K for rear tires. Not that there's anything wrong with that!!

02-22-2010, 03:39 AM	#3
NSX2NV Senior Member Join Date: Jan 2008 Location: Springfield, Missouri Posts: 489 Drives: 03' E55 Techtite Grey	11.xx mpg. I reset my trip everytime I fill and that's the number. I drive very conservatively in comfort mode. Thought I'd try Sport mode to see if starting in 1st would make a difference and it was 10.xx. I do have a sprint booster and didn't know if that made a difference so I took it off. Halfway through the tank now so we'll see. Don't expect anything higher than 11 though. Best I've seen is 12.xx. I pour 94 everytime too. Oh yeah it's all city driving. I get on the highway for about 5 miles a week to and from church that's all. __________________ 2003 E55 Techtite Grey (12.08 @ 114.62) STOCK. Last edited by NSX2NV; 02-23-2010 at 01:57 AM.

02-22-2010, 02:20 PM	#4
BlackCard Senior Member Join Date: Jun 2006 Location: Virginia Posts: 267 Drives: CLS 55 AMG	I have the new Eurocharged Tune and on highways I'm still getting 19.1+ I rarely drive city only. Lov'n it! __________________ _____________________________

02-22-2010, 02:48 PM	#7
alextaylor29 Member Join Date: Oct 2009 Location: Queen Creek AZ Posts: 201 Drives: 2004 E55 AMG	I drive 100 miles a day to and from work, 70% highway and get 19-22 MPG if you can believe that. I drive relatively conservatively as we have tons of speed cameras here but I do occassionally put the boot to it. __________________ Mods thus far: K&N's, Johnson IC Pump, LET Stage 1 Tune, Upgraded HE and Pulleys soon!

02-22-2010, 03:09 PM	#8
citylightva Super Member Join Date: Jul 2009 Location: Dallas, TX Posts: 861 Drives: 2007 E63, 2005 Dodge Ram Hemi	Different engine and tranny but I combine about 15-16mpg on 93. Miles wise it's probably about 70% Highway 30% city. __________________ BBS CM 19"s, Eurocharged tune, Nitto NT05's...

02-22-2010, 07:28 PM	#11
sy1616 Senior Member Join Date: Jan 2009 Posts: 282 Drives: 545i	Drove it pretty hard for an hour, speeds up to 90, 14.6mpg. __________________ 2006 Mercedes E55 AMG 2005 BMW 545i 2008 Mercedes ML350 2005 BMW M3 SOLD

02-22-2010, 02:26 PM	#5
grantwoodtx Senior Member Join Date: Dec 2007 Location: Kingwood, TX Posts: 289 Drives: E55 & E500	I get 8.6 MPG when I get after it. 10.3 when I'm not (which is fairly seldom) & 18.6 driving highway @85mph set on cruise control.

02-22-2010, 02:27 PM	#6
CharlyE500 MBWorld Fanatic! Join Date: Dec 2008 Location: Socal, Chino Posts: 1,053 Drives: E55 2006 Pewter PanoRoof/ S320 97 SilverBlack/ White Odyssey 06 NaviDVD EXL	I got mix about 15MPG, 60% freeway and 40% local. One time I drove round trip to SanDiego, I got 19MPG with 91.Oct I have stock 18" rims, maybe 20" is the problem...

02-22-2010, 03:16 PM	#9
Luke_M Senior Member Join Date: Mar 2009 Location: Knoxville, TN Posts: 293 Drives: E55, Supercharged Z4 (sold)	16.8mpg and rising over the last 12,xxx miles. I drive 14 miles to work on a highway so that helps. I drive it really easy with the occasional burst. City driving kills it as does WOT.

02-22-2010, 06:30 PM	#10
Road Racer Member Join Date: Jan 2009 Posts: 216 Drives: '04 E55	12 mpg when Im just barely touching the gas pedal. Not fun at all! 9-9.5 mpg when Im having FUN! Here in my country...it is city miles all the time Highway is on the outside of the city only I dont have any mods (yet), but im running a heavy set of 19s. My question is: What to expect with the following mods Im doing it next month: 180 pulley 82mm TB Eurocharger tune Headers, X-pipe If anyone have this mods, please let us know your avarage MPG

02-22-2010, 07:30 PM	#12
slownrusty Senior Member Join Date: Jun 2009 Posts: 439 Drives: '06 E55 K2	Sitting in the garage it get 10mpg!!

02-22-2010, 09:08 PM	#14
blackbenzz MBWorld Fanatic! Join Date: Feb 2003 Location: Maryland Posts: 9,013 Drives: Something slow	My hybrid supercharged V8 __________________ To sell or not to sell. That is the question

02-22-2010, 09:14 PM	#15
cahiil55k Super Member Join Date: May 2009 Posts: 503 Drives: w211 e55	10 city / 21 hwy / 14.5 combined in the crowded streets and highways of San Francisco __________________ Powerchip ecu * 180mm pulley * K&N filters * Johnson CM30 ic pump * Shorty headers * Upper and lower heat spacers * 82mm TB * Magnecor wires * -10 deg sds mod

02-22-2010, 09:20 PM	#16
daniel3ooo Member Join Date: Feb 2007 Location: Bay Area Posts: 194 Drives: 2008 IS-F	I'm getting just about 14.0 mpg that with 80% city and 20% freway

02-22-2010, 10:57 PM	#18
dr_brains510 Junior Member Join Date: Jan 2010 Posts: 71 Drives: E55	Since buying my 03 with 50K miles on it, I decided to make a spreadsheet of how many miles, gallons, mpg, etc I get. I just got through my first full tank of gas (91 octane) and the computer read 13.3 mpg. For this full tank I only drove city. I want to see how well I'd do on the highway.

02-22-2010, 11:42 PM	#19
AWOL Senior Member Join Date: Nov 2009 Posts: 256 Drives: e55	23 highway average 15-16 on my weekly commute which is 60%city, 40 highway LET and self made scoops __________________ 11.71@120.06 - yes my wheels are blue

02-23-2010, 06:48 AM	#20
930chas Super Member Join Date: Oct 2006 Location: merryland Posts: 982 Drives: e55	I get around 15-16 mpg which is around 5-6 mpg better then I got with the M5. __________________

02-23-2010, 12:41 PM	#21
TheVazha Super Member Join Date: Sep 2009 Location: Los Angeles, greatest city in the WORLD! Posts: 547 Drives: 2005 E55 AMG	Thanks guys for posting. It is apparent that I'm running rich. I am almost on empty and since the "reset" I'm at 7.6 MPG. I'll post the pic today. Can anyone tell me thoughts on why? __________________

02-23-2010, 01:48 PM	#22
jdeastbay Senior Member Join Date: Feb 2008 Location: Bay Area Posts: 262 Drives: 2005 E55 / 2008 E63	I stopped looking, life is much easier that way

02-24-2010, 03:39 AM	#25
mugatu22 Super Member Join Date: Feb 2009 Location: So Cal Posts: 825 Drives: people crazy.	I'd like to see a correlation between: 1) Avg MPG 2) Avg rear tire lifespan For some reason I suspect those of you averaging single-digit MPG also average 5-9K for rear tires. Not that there's anything wrong with that!!

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