Gas mileage check in...

xDrive35i · 03-04-2011, 12:08 AM

Quote:

Originally Posted by Lotus7

35i last fill-up:
All suburban driving. Mostly between 30 & 45 mph with stops every i/4 to 1/2 mile.Mostly in gears 1-6, rarely make it to 7 or 8.
Shell V-Power 93 octane
Mileage measured at the pump = 17.33 mpg (US gal.)
Average speed=21.4 mph

You're gonna love this. So I did a runthrough of my trip computer.

Average speed: 11.2 mph (gotta love sitting at red lights)
Odometer: 715 mi
Projected Distance between fill-ups (when full): 320 mi (unrealistic because I've now refueled for the fourth time and we're still only at 700+ miles)
Average mileage: 13.7 mpg.

Shoot me before the ozone opens directly above me vaporizes me alone.

MA78 · 03-04-2011, 01:40 AM

35i
18mpg
Mostly stop and go city traffic.

sfax · 03-28-2011, 11:48 AM

Quote:

Originally Posted by MA78

35i
18mpg
Mostly stop and go city traffic.

@MA78 This is the other thread

MA78 · 03-28-2011, 11:49 AM

Dammit! Why couldn't I find this earlier?

sfax · 03-28-2011, 11:56 AM

I can't reveal my search secrets I'm afraid

Alanintx · 03-28-2011, 12:06 PM

28i

50% City, 50% Highway

about 19.5 MPG (measured by fill-up capacity divided by miles driven per the trip odometer)

Powerrunner · 03-28-2011, 01:15 PM

On my new one month old 35i in stop and go I am getting 18.6 mpg. I have around 800 miles on the X3, so could still be in break in mode.

JohnnyTT · 03-28-2011, 02:18 PM

19.3

Powerrunner · 03-28-2011, 03:10 PM

On my new one month old 35i in stop and go I am getting 18.6 mpg. I have around 800 miles on the X3, so could still be in break in mode.

I drive very conservatively, so I don't understand why I am not getting what everyone else is reporting! Maybe I need to step on it a bit more.

fedinand · 03-28-2011, 03:26 PM

Quote:

Originally Posted by Powerrunner

On my new one month old 35i in stop and go I am getting 18.6 mpg. I have around 800 miles on the X3, so could still be in break in mode.

I drive very conservatively, so I don't understand why I am not getting what everyone else is reporting! Maybe I need to step on it a bit more.

Looks like your mpg is right where other 35i owners are reporting…(feel free to step on it more regardless)

Nahoa · 03-28-2011, 09:17 PM

Just hit 3k. Commute that initially produced 20.5mpg is now making 22.3 mpg. Difference in traffic? My driving? Maybe, but I can't point to anything. Feels like break-in, but I don't know if there's any reality to that idea.

Lotus7 · 03-29-2011, 11:49 AM

35i 1000miles
17-18 for slow suburban short trips - usually less than 5 miles
26-28 for steady 70mph highway cruising
Getting it into 8th gear (above 50mph) really makes a big difference

Lotus7 · 03-29-2011, 11:53 AM

Quote:

Originally Posted by Nahoa

Just hit 3k. Commute that initially produced 20.5mpg is now making 22.3 mpg. Difference in traffic? My driving? Maybe, but I can't point to anything. Feels like break-in, but I don't know if there's any reality to that idea.

Also, outdoor temps are getting higher so less "warm-up" time. Let's hope the upward trend continues. If so, by the end of the year you'll be getting 30mpg.

SMTM · 03-31-2011, 01:28 PM

Just made a trip from Florence, SC to Raleigh, NC and back on Tuesday. All hwy, 75 MPH. Must have been a perfect storm of good conditions. 28.9 MPG! By far the best I've gotten in the first 2000 miles of driving.

Lotus7 · 05-18-2011, 03:58 AM

I thought it was about time to bump this thread with an update:

Back in February, I did a short run (116 miles round trip on a tollway in Northern Illinois and with around 300 miles on the 35i. I was impressed with the mileage which was then 28.6 mpg.

On Monday, 5/16 I did the same run, under essentially the same conditions. It was exceptionally cool for May here that night (temp. was 35 deg. F.), so the conditions were very similar to Feb).

Conditions:
X3 35i
Current odo reading = 2300 miles
Fuel = Shell V-Power 93 Octane (10% Ethanol)
Air temp. = 35deg. F.
Tire pressures: 34 psi (F) & 37psi (R). Pirelli 18 inch P-7 run-flats
Avg. speed: 67 mph - Cruse control set - Run was late at night - very little traffic - hardly ever touched the throttle pedal or brakes.
Current indicated trip mileage was 31.8 mpg which I find amazing for a 4300 lb, 300 hp, high drag vehicle.

I guess that with the engine and driveline now essentially fully broken in and loosened up, the frictional drag is a little lower.

My current long term mixed highway/suburban average is 20.9 mpg for driving that's about 80% suburban 30-40 mph, and 20% highway. This has remained essentially the same since the car was brand new, but now I'm driving more aggressively. I'm pretty sure that if I was driving the way I did for the first 1200 miles, my mileage would have gone up a little.

LEDZEP · 05-18-2011, 07:15 AM

I've only gone through one tank so far, which was not efficient due to all the idling and stop/start driving one does when playing with a new car. But since fillup, I've reached about 26.5 on my commute which is mostly highway, and with all the windy weather it has leveled off to around 25. It'll take a few tanks to get a good idea.

bekind · 05-18-2011, 07:22 AM

We have about 700 miles so far and are seeing a little over 22 mpg with a pretty even mix of city/hwy driving. I think we will see some improvement as the car loosens up a bit.

Marmik · 05-18-2011, 09:13 AM

Quote:

Originally Posted by Lotus7

Current indicated trip mileage was 31.8 mpg which I find amazing for a 4300 lb, 300 hp, high drag vehicle.

I'm amazed by that number! I'm not there yet. At 450 miles I'm seeing around 26 HWY mileage in normal traffic with a somewhat varied speed and I'm pretty impressed with that. Road trip (cruise control) mileage above 30 would be surreal. Driving my first SUV and feeling just a little defensive about it with all the emerging electric and hybrid super mileage technology. I find myself telling people what great mpg it gets compared to my old audi allroad. Occasionally ... I tell them it's incredibly fast as well!

Lotus7 · 05-18-2011, 05:02 PM

Quote:

Originally Posted by Marmik

I'm amazed by that number! I'm not there yet. At 450 miles I'm seeing around 26 HWY mileage in normal traffic with a somewhat varied speed and I'm pretty impressed with that. Road trip (cruise control) mileage above 30 would be surreal. Driving my first SUV and feeling just a little defensive about it with all the emerging electric and hybrid super mileage technology. I find myself telling people what great mpg it gets compared to my old audi allroad. Occasionally ... I tell them it's incredibly fast as well!

The 31.8 number was for really specialized conditions. It was at 10:30 to 11:00 pm on a very lightly traveled, flat road with the cruse control doing all throttle modulation. No stops and no fast acceleration, no A/C on and slightly high tire pressures. I was tempted to drop down to 55 mph, but the average traffic speed was probably 75 with the occasional 85 mph vehicle flying by. At 67 mph I was the slowest thing on the road. At 55 (which was the legal speed limit) I would have been a traffic hazard and probably would have been rear-ended.

It was nice to go 116 miles and still see the fuel gauge read above the 3/4 mark. If this is any indication, 500 miles per tankful for steady cross-county driving should be possible.

fedinand · 05-18-2011, 05:46 PM

Thats incredible mileage! I am round 19.3 with mixed driving - mostly in town. One extended trip got around 26 mpg for 130 mile round trip. I'm very curious if I will see better mpg with the change in wheels/tires - the above mpg was with the 19s.

gareth12468 · 05-18-2011, 05:53 PM

Two weeks old 28i..... Just over 1,000km..... 100% city..... 11.7l/100km.....

Radioactive · 05-18-2011, 05:54 PM

Mixed driving with 300 miles on the car 22.9 mpg average speed 29 miles/hr. Only problem is that I find myself driving to the gas mileage indicator rather than the speedometer.

03-04-2011, 01:40 AM	#46
MA78 TK-421 18 Rep 610 Posts Drives: 2011 X3 35i Join Date: Nov 2007 Location: Portland, OR iTrader: (0)	35i 18mpg Mostly stop and go city traffic.
	Appreciate 0 Quote

03-28-2011, 11:49 AM	#48
MA78 TK-421 18 Rep 610 Posts Drives: 2011 X3 35i Join Date: Nov 2007 Location: Portland, OR iTrader: (0)	Dammit! Why couldn't I find this earlier?
	Appreciate 0 Quote

03-28-2011, 11:56 AM	#49
sfax Brigadier General 91 Rep 3,855 Posts Drives: BMW X3 2011 F25 Join Date: Nov 2010 Location: Berkshire, UK iTrader: (0)	I can't reveal my search secrets I'm afraid __________________ F25 xDrive20d SE __ professional multimedia package \| dynamic package \| climate package \| 309s \| xline \| xenons \| electric seats \| folding mirrors \| business speakers
	Appreciate 0 Quote

03-28-2011, 12:06 PM	#50
Alanintx ATAP 4 Rep 165 Posts Drives: 2017 Midnight Blue 430xi GC Join Date: Feb 2011 Location: DFW iTrader: (0)	28i 50% City, 50% Highway about 19.5 MPG (measured by fill-up capacity divided by miles driven per the trip odometer)
	Appreciate 0 Quote

03-28-2011, 01:15 PM	#51
Powerrunner Second Lieutenant 3 Rep 275 Posts Drives: BMW X3 35i 2011 Join Date: Mar 2011 Location: Naperville iTrader: (0)	On my new one month old 35i in stop and go I am getting 18.6 mpg. I have around 800 miles on the X3, so could still be in break in mode.
	Appreciate 0 Quote

03-28-2011, 02:18 PM	#52
JohnnyTT Captain 29 Rep 750 Posts Drives: 2011 X3 3.5 Join Date: Apr 2008 Location: East Coast iTrader: (0)	19.3
	Appreciate 0 Quote

03-28-2011, 03:10 PM	#53
Powerrunner Second Lieutenant 3 Rep 275 Posts Drives: BMW X3 35i 2011 Join Date: Mar 2011 Location: Naperville iTrader: (0)	On my new one month old 35i in stop and go I am getting 18.6 mpg. I have around 800 miles on the X3, so could still be in break in mode. I drive very conservatively, so I don't understand why I am not getting what everyone else is reporting! Maybe I need to step on it a bit more.
	Appreciate 0 Quote

03-28-2011, 09:17 PM	#55
Nahoa Lieutenant Colonel 45 Rep 1,876 Posts Drives: F25 35i Mineral Silver/Black Join Date: May 2008 Location: Virginia iTrader: (0)	Just hit 3k. Commute that initially produced 20.5mpg is now making 22.3 mpg. Difference in traffic? My driving? Maybe, but I can't point to anything. Feels like break-in, but I don't know if there's any reality to that idea. __________________
	Appreciate 0 Quote

03-29-2011, 11:49 AM	#56
Lotus7 Major 67 Rep 1,041 Posts Drives: xxxx Join Date: Dec 2010 Location: xxxx iTrader: (0)	35i 1000miles 17-18 for slow suburban short trips - usually less than 5 miles 26-28 for steady 70mph highway cruising Getting it into 8th gear (above 50mph) really makes a big difference
	Appreciate 0 Quote

03-31-2011, 01:28 PM	#58
SMTM New Member 0 Rep 15 Posts Drives: 2006 Z4M Roadster 2011 X3 28i Join Date: Jan 2011 Location: South Carolina iTrader: (0)	Just made a trip from Florence, SC to Raleigh, NC and back on Tuesday. All hwy, 75 MPH. Must have been a perfect storm of good conditions. 28.9 MPG! By far the best I've gotten in the first 2000 miles of driving.
	Appreciate 0 Quote

05-18-2011, 03:58 AM	#59
Lotus7 Major 67 Rep 1,041 Posts Drives: xxxx Join Date: Dec 2010 Location: xxxx iTrader: (0)	I thought it was about time to bump this thread with an update: Back in February, I did a short run (116 miles round trip on a tollway in Northern Illinois and with around 300 miles on the 35i. I was impressed with the mileage which was then 28.6 mpg. On Monday, 5/16 I did the same run, under essentially the same conditions. It was exceptionally cool for May here that night (temp. was 35 deg. F.), so the conditions were very similar to Feb). Conditions: X3 35i Current odo reading = 2300 miles Fuel = Shell V-Power 93 Octane (10% Ethanol) Air temp. = 35deg. F. Tire pressures: 34 psi (F) & 37psi (R). Pirelli 18 inch P-7 run-flats Avg. speed: 67 mph - Cruse control set - Run was late at night - very little traffic - hardly ever touched the throttle pedal or brakes. Current indicated trip mileage was 31.8 mpg which I find amazing for a 4300 lb, 300 hp, high drag vehicle. I guess that with the engine and driveline now essentially fully broken in and loosened up, the frictional drag is a little lower. My current long term mixed highway/suburban average is 20.9 mpg for driving that's about 80% suburban 30-40 mph, and 20% highway. This has remained essentially the same since the car was brand new, but now I'm driving more aggressively. I'm pretty sure that if I was driving the way I did for the first 1200 miles, my mileage would have gone up a little.
	Appreciate 0 Quote

05-18-2011, 07:15 AM	#60
LEDZEP Lieutenant General 418 Rep 12,276 Posts Drives: 2009 E70 & 2011 F25 Join Date: Jun 2005 Location: Area 51 iTrader: (0) Garage List 2011 X3 35i M Sport [7.62] 2009 X5 M Sport [0.00] 2007 328xi E90 [0.00] 2006 325xiT E91 [0.00]	I've only gone through one tank so far, which was not efficient due to all the idling and stop/start driving one does when playing with a new car. But since fillup, I've reached about 26.5 on my commute which is mostly highway, and with all the windy weather it has leveled off to around 25. It'll take a few tanks to get a good idea. __________________ I think it is bad luck to be superstitious
	Appreciate 0 Quote

05-18-2011, 07:22 AM	#61
bekind Private 2 Rep 86 Posts Drives: x3 35i Join Date: Mar 2011 Location: ohio iTrader: (0)	We have about 700 miles so far and are seeing a little over 22 mpg with a pretty even mix of city/hwy driving. I think we will see some improvement as the car loosens up a bit.
	Appreciate 0 Quote

05-18-2011, 05:46 PM	#64
fedinand Major 74 Rep 1,271 Posts Drives: '11 X3, '11 GTI Join Date: May 2007 Location: MN iTrader: (6)	Thats incredible mileage! I am round 19.3 with mixed driving - mostly in town. One extended trip got around 26 mpg for 130 mile round trip. I'm very curious if I will see better mpg with the change in wheels/tires - the above mpg was with the 19s. __________________ The X3 The GTI The Birds The Dogs
	Appreciate 0 Quote

05-18-2011, 05:53 PM	#65
gareth12468 First Lieutenant 8 Rep 325 Posts Drives: 2011 X3 xDrive 28i Join Date: Mar 2011 Location: Toronto iTrader: (0) Garage List 2011 BMW X3 [0.00]	Two weeks old 28i..... Just over 1,000km..... 100% city..... 11.7l/100km.....
	Appreciate 0 Quote

05-18-2011, 05:54 PM	#66
Radioactive Captain 43 Rep 764 Posts Drives: '11 X3 28i '10 535i '04 325i Join Date: Mar 2011 Location: San Diego iTrader: (1)	Mixed driving with 300 miles on the car 22.9 mpg average speed 29 miles/hr. Only problem is that I find myself driving to the gas mileage indicator rather than the speedometer.
	Appreciate 0 Quote