MPG update
Thread Starter
Senior Member
Joined: Feb 2012
Posts: 296
Likes: 23
From: Central coast California
2024 GLC300, 2014 BMW M235i
MPG update
Just returned home today from a 4325 mile trip through the northwestern states. Trip computer indicated exactly 25.0 for the entire trip. For the past few days it had been hovering at 24.9, but it bumped to 25.0 today when we averaged 25.7 on our last leg home.
Yesterday, we logged 27.9 on the leg from Boise, ID to Winnemucca, NV.
Now I'm left wondering why the EPA highway rating is only 21. 4325 miles isn't exactly a short trip, so I think our 25.0 MPG is very realistic.
3.5L
Yesterday, we logged 27.9 on the leg from Boise, ID to Winnemucca, NV.
Now I'm left wondering why the EPA highway rating is only 21. 4325 miles isn't exactly a short trip, so I think our 25.0 MPG is very realistic.
3.5L
Junior Member
Joined: Dec 2010
Posts: 51
Likes: 0
From: West Virginia
GLK350 4matic
I'm wondering too
Wife and I have made trips from WV to MO in both of our little SUVs. We discovered that our Mercedes gets better average mpg on these trips than our Honda CRV does. Apparently running 70 - 75 MPH on the interstate isn't the Honda's forte.
Regards:
Oldengineer
2011 GLK 4Matic
2010 Honda CRV LX 2WD
1948 Chevrolet Fleetmaster Town Sedan
Regards:
Oldengineer
2011 GLK 4Matic
2010 Honda CRV LX 2WD
1948 Chevrolet Fleetmaster Town Sedan
Super Member
Joined: Sep 2009
Posts: 527
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From: Old Dominion
2015 VW GTI.S4; 2016 Audi Q3 Prestige
3.5L - what speeds are you operating at?
We notice that 70-75 like Oldengineer is referencing allows optimal MPG (25 mig-ish).
However, as you bump it towards 80 & above it incrementally gets less obviously but we still get in the 23's.
We notice that 70-75 like Oldengineer is referencing allows optimal MPG (25 mig-ish).
However, as you bump it towards 80 & above it incrementally gets less obviously but we still get in the 23's.
MBWorld Fanatic!
Joined: Sep 2011
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From: East Texas
2004 Volvo XC70; 2012 GLK 350 4matic
A hunch, based on doing the arithmetic for some long highway jaunts, is that the trip display is a couple MPGs optimistic. Still, 23mpg isn't too shabby.
Wayne
Wayne
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Joined: Aug 2010
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From: Los Angeles
2013 Infiniti G37 Coupe; 2011 GLK 350 w/ Premium 1, Multimedia & Sport Appearance; I LOVE IT!
Wife and I have made trips from WV to MO in both of our little SUVs. We discovered that our Mercedes gets better average mpg on these trips than our Honda CRV does. Apparently running 70 - 75 MPH on the interstate isn't the Honda's forte.
Regards:
Oldengineer
2011 GLK 4Matic
2010 Honda CRV LX 2WD
1948 Chevrolet Fleetmaster Town Sedan
Regards:
Oldengineer
2011 GLK 4Matic
2010 Honda CRV LX 2WD
1948 Chevrolet Fleetmaster Town Sedan
Hwy speeds stress a 4 cylinder more than a 6...
Super Member
Joined: Sep 2009
Posts: 527
Likes: 0
From: Old Dominion
2015 VW GTI.S4; 2016 Audi Q3 Prestige
Thanks for reminding me to go back to the basics!
Junior Member
Joined: Dec 2010
Posts: 51
Likes: 0
From: West Virginia
GLK350 4matic
The problem with the Honda is its torque curve - its very peaky and doesn't make any suds until very high RPM. Consequently, at every little rise in the road, it has to downshift and scream its guts out to maintain speed. Honda needes to redesign the engine to make its torque curve mesa shaped.
Regards:
Oldengineer
Regards:
Oldengineer
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Thread Starter
Senior Member
Joined: Feb 2012
Posts: 296
Likes: 23
From: Central coast California
2024 GLC300, 2014 BMW M235i
Speeds were all over the map. We cruised for hours at 75 out in the boonies, yet found ourselves at 55 for hours in constructions zones. Some parts of highway 101 in Oregon and Washington got down to 35 MPH stretches. Still, I didn't hesitate much to hit 90 MPH passing a line of trucks on two-lane highways. Also did a fair amount of city driving.
Summary is that I don't flog my GLK much. When I need to, I'll punch it to get by traffic, but most of the time I accelerate with traffic and enjoy the smooth, quiet ride.
3.5L
Summary is that I don't flog my GLK much. When I need to, I'll punch it to get by traffic, but most of the time I accelerate with traffic and enjoy the smooth, quiet ride.
3.5L
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Thread Starter
Senior Member
Joined: Feb 2012
Posts: 296
Likes: 23
From: Central coast California
2024 GLC300, 2014 BMW M235i
3.5L
Senior Member
Joined: Feb 2012
Posts: 332
Likes: 4
From: Charlotte
2012 C63; 2011 E350 Coupe
MPG
Just returned home today from a 4325 mile trip through the northwestern states. Trip computer indicated exactly 25.0 for the entire trip. For the past few days it had been hovering at 24.9, but it bumped to 25.0 today when we averaged 25.7 on our last leg home.
Yesterday, we logged 27.9 on the leg from Boise, ID to Winnemucca, NV.
Now I'm left wondering why the EPA highway rating is only 21. 4325 miles isn't exactly a short trip, so I think our 25.0 MPG is very realistic.
3.5L
Yesterday, we logged 27.9 on the leg from Boise, ID to Winnemucca, NV.
Now I'm left wondering why the EPA highway rating is only 21. 4325 miles isn't exactly a short trip, so I think our 25.0 MPG is very realistic.
3.5L
Averaged 23MPG. A/C on full time. I'm OK with that.
Got 30MPG on my C-300 earlier this year w/o A/C on
Last edited by NCBob; Aug 27, 2012 at 11:50 AM. Reason: Add a line
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