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X5 E70 (2007 - 2013)
E70 BMW X5 produced between 2007 and 2013. Discuss the E70 X5 with other BMW owners here.

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  #1  
Old 06-13-2011, 09:24 PM
h0mersimps0n h0mersimps0n is offline
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Highway Commuters - x5 35d real world gas mileage?

head is spinning trying to figure out which bmw to go after. I test drove my friends x5 35d over the weekend and was impressed. For a 4500lb vehicle it moves!

Anyway, I'm looking at a 86 mile one-way commute coming up in the next month or two and must have SUV for winter reasons.

My question goes out to those with significant highway-only commutes that are mpg watchers (i.e. not just computer calcs but keeps track of miles/gallons). What are the real world mpg you're seeing at about 75-80mph pretty flat gradient commute?

Thanks guys!
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  #2  
Old 06-13-2011, 10:49 PM
Zuma man Zuma man is offline
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Mein Auto: X5 35d
28 mpg consistently on road trips. 24-25 mpg with mixed driving.
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  #3  
Old 06-14-2011, 12:09 PM
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finnbmw finnbmw is offline
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Mein Auto: 2010 & 2012 X5 35d
Lifetime average @ 17,000 miles is 25.9 (calculated). Average speed about 50 mph. Drive mostly (85%+) on highway 60-75 mph.

The diesel is a bit noisy, the tires (Bridgestone RFT) could be better, otherwise very happy with our choice!
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  #4  
Old 06-14-2011, 12:46 PM
335i 335i is offline
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Quote:
Originally Posted by h0mersimps0n View Post
head is spinning trying to figure out which bmw to go after. I test drove my friends x5 35d over the weekend and was impressed. For a 4500lb vehicle it moves!

Anyway, I'm looking at a 86 mile one-way commute coming up in the next month or two and must have SUV for winter reasons.

My question goes out to those with significant highway-only commutes that are mpg watchers (i.e. not just computer calcs but keeps track of miles/gallons). What are the real world mpg you're seeing at about 75-80mph pretty flat gradient commute?

Thanks guys!
http://www.bimmerfest.com/forums/sho...d.php?t=545606

Not uncommon for me to get almost 30mpg on long trips with cruise set. I regularly get 26-28 on flat terrain.
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  #5  
Old 06-14-2011, 01:05 PM
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AutoUnion AutoUnion is online now
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High 20s on a constant highway-only commute should be easy. You can cruise at 75-80 and the MPG-o-meter is resting over 30.
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  #6  
Old 06-14-2011, 01:17 PM
chazmtb chazmtb is offline
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If you are above 75 mph, then gas milage decreases dramatically. I was getting around 22-23 for speeds greater than 80. If I stayed below 75mph, I can get consistently 27.

Most of my driving is in the city, and I am getting 22-23.
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  #7  
Old 06-15-2011, 06:55 PM
krnnerdboy krnnerdboy is offline
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amazing! my 35i is lifetime avg is 18.8 mpg and 75 on the hwy gets me 23mpg. I could only imagine what that diesel would do with an 8 spd
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  #8  
Old 01-09-2012, 01:06 PM
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serge1 serge1 is offline
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Yeah, I think the 8sp would do wonders to the diesel.
The most torque is between 2000 and 3000 RPM, and the 8sp could keep the RPMs there.
Beyond 3000 RPM, the diesel is quite dissappointing.
When I do the fast launches on my 35d, it's actually better to not floor the gas pedal all the way to the metal.
If you do that, it keeps the RPM's high, and that's not where the power is.
I achieve much better results by holding the gast pedal at a certain place. That way, RPMs don't go above 3500, and the vehicle is quite fast.
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  #9  
Old 01-09-2012, 02:11 PM
Matt_UKTX Matt_UKTX is offline
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Mein Auto: 2012 X5 35d
26.7 MPG with 80% highway driving.
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  #10  
Old 01-09-2012, 05:50 PM
boyce 06 330 boyce 06 330 is offline
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Averaged almost 30 mpg while driving through Florida in October.
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  #11  
Old 01-09-2012, 07:00 PM
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AutoUnion AutoUnion is online now
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Quote:
Originally Posted by boyce 06 330 View Post
Averaged almost 30 mpg while driving through Florida in October.
Damn, that's good
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  #12  
Old 01-09-2012, 08:19 PM
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kanar200 kanar200 is offline
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usually I do not care about mpg, but having seen a lot of posts about it, I checked mpg on my last trip to Tahoe from Bay Area (220 miles one way):

uphill - 23
downhill - 29
avg speed - 75-80 miles/h
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  #13  
Old 01-09-2012, 08:48 PM
boyce 06 330 boyce 06 330 is offline
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Quote:
Originally Posted by AutoUnion View Post
Damn, that's good
Actual mpg was 29.3 if I recall correctly. Range was ridiculous there for a while... Up around 680 miles.

I just drove from Louisville to Nashville and got 27.6 mpg in hilly terrain and between 80-85 mph. Took a pic of the range after 57 miles and the computer showed I still had 583 miles in the tank! Love the 35d!
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  #14  
Old 01-09-2012, 08:58 PM
timeslip timeslip is offline
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My friend who bought a diesel a few months before me claims she gets 26mpg driving 45 miles of hwy each way every day.

My commute is 15 miles each way, and been doing a lot of mixed driving. I've filled up 3 times now, and I can't get past 20.6 mpg. I'm convinced with mixed driving (less than 30mile freeway commutes), you will not see 21mpg.
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  #15  
Old 01-09-2012, 10:07 PM
tonka858 tonka858 is offline
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my x5 must be broken have 4500 miles on it and best i have ever gotten is 24..

this weekend I drove 40 miles on the freeway at night,so not much traffic avg 75-80 and got 22
and this diesel is louder then my MB sprinter.
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  #16  
Old 01-10-2012, 07:09 AM
mdog mdog is offline
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I call BS on anything above 25-26. Yes, you may get MPG above that on a perfect stretch, but over a period of time no way you can keep it there. Factor in warm ups, passing, ramp entries/exits, and the real life mileage will be around 24-25.
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  #17  
Old 01-10-2012, 09:43 AM
timeslip timeslip is offline
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I assume anyone that is quoting higher than 26mpg is basing it on the tank average, not that real time meter right? You can't trust the real time meter, and should be looking for tank average.
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  #18  
Old 01-10-2012, 10:03 AM
tonka858 tonka858 is offline
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Quote:
Originally Posted by timeslip View Post
I assume anyone that is quoting higher than 26mpg is basing it on the tank average, not that real time meter right? You can't trust the real time meter, and should be looking for tank average.
i was resetting the avg each fill up, don't care anymore its a lease and all a tax deduction
rather get worse mileage, bigger tax deduction
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  #19  
Old 01-10-2012, 10:07 AM
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serge1 serge1 is offline
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I have noticed that having cruise control on positively affects MPG.
Have often driven a certain strech of highway that elevates to 1500 feet above sea leavel.
Noticed, that with cruise control ON going uphill, the RPMs stay lower by 500rpm than if I was going at same speed with cruise control OFF.
The MPG arrow is also going up by 3-5 digits with cruise ON.
No idea why it does that - the speed is exactly the same.
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  #20  
Old 01-10-2012, 12:59 PM
bmwKbiker bmwKbiker is offline
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Mein Auto: K1200RS, E93/335i:4cruzin
Just over 28 mpg according to the trip computer for freeway only diving at a trip computer average of 74.x mph.
This is pretty consistent for a 210 mile roundtrip we frequently make.

The X5 is not yet broken in so I haven't made any attempt to collect pump based mpg.
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  #21  
Old 01-10-2012, 02:50 PM
11leven 11leven is offline
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Quote:
Originally Posted by tonka858 View Post
i was resetting the avg each fill up, don't care anymore its a lease and all a tax deduction
rather get worse mileage, bigger tax deduction
+1
..looking at the bigger picture!
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  #22  
Old 01-10-2012, 06:55 PM
jashearer jashearer is offline
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Quote:
Originally Posted by tonka858 View Post
i was resetting the avg each fill up, don't care anymore its a lease and all a tax deduction
rather get worse mileage, bigger tax deduction
If you were in the 100% tax bracket maybe that math would work

Jay
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  #23  
Old 01-10-2012, 08:39 PM
boyce 06 330 boyce 06 330 is offline
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Quote:
Originally Posted by mdog View Post
I call BS on anything above 25-26. Yes, you may get MPG above that on a perfect stretch, but over a period of time no way you can keep it there. Factor in warm ups, passing, ramp entries/exits, and the real life mileage will be around 24-25.
Sorry, not BS. I'll post a pic of my dash after driving almost 60 miles after filling up where the computer shows >580 miles left in the tank (in my exp the comp has been within 2% of the calculated mpg).

Last edited by boyce 06 330; 01-10-2012 at 08:55 PM.
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  #24  
Old 01-10-2012, 08:49 PM
boyce 06 330 boyce 06 330 is offline
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Can't figure out how to post it from my iPad, but I can assure you a 640 mile range (56.5 miles driven, with 583 miles left in the tank) is almost 28 mpg, and that was through southern KY/northern TN which is pretty hilly terrain.
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  #25  
Old 01-11-2012, 02:16 AM
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ductman ductman is offline
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Mein Auto: 2011 X5 35D /2011 M37X
My current average on a mix of 60/40 highway is currently 21.5, I went on a 100% highway run yesterday and averaged 27, I only have about 1200 miles on my vehicle so far. Compared to my previous vehicle ( 2010 Acura MDX ) Same scenario 16.5 and maybe 20-21 ,if I am lucky, definitely a savings even though diesel is running about .30 higher than premium. By the way my average highway speeds are in the 75-80 range.
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