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Your HIGHWAY Gas Mileage Numbers?

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Old 01-24-10, 10:22 AM   #1
JeffTX
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Question Your HIGHWAY Gas Mileage Numbers?

Good Morning & Hello from Lake Conroe Texas!

My daily commute to work is 84 miles round trip and I really want to "step-up" to the LS460 to help make my work week commute much more tolerable. I would be very appreciative if you would share your highway gas mileage results and at what highway speeds they can be achieved.

THANK YOU!

Jeff....
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Old 01-24-10, 10:25 AM   #2
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I regularly get 27.x to 28.x MPG on interstate trips. Usually with cruise control on and averaging near 77 MPH. MPG drops considerably for in-town driving or blended driving.
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Old 01-24-10, 11:05 AM   #3
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I usually get around 20 City and 27 Highway.
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Old 01-24-10, 11:12 AM   #4
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i drove to Vegas from Newport Beach 2 weeks ago and got 24.5 mph - not bad for a 2010.
city mileage is about 14.5
probably should have gotten a hybrid.
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Old 01-24-10, 12:32 PM   #5
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Quote:
Originally Posted by melymel96 View Post
I usually get around 20 City and 27 Highway.
I get the same, 27 on the highway @80 MPH...

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Old 01-25-10, 06:15 AM   #6
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(hand calculated) 27-28 MPG @80 MPH, if I back off to 65-70 MPH I get 30 which is unbelievable. City around 18 MPG, when my wife drives the car she gets 16 in the city, she has a heavy foot.
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Old 01-25-10, 04:26 PM   #7
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As I've posted before, I regularly get 30-31 (sometimes more) on interstates, driving at 80-ish mph.

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Click the image to open in full size.

Click the image to open in full size.

It's easy to get int he high 20's ... 28-30 is a breeze at 80-85, as long as you use cruise control. As you can tell by the mileage (and the temperatures), these were taken on the same trip, but at different times.

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Old 01-25-10, 09:33 PM   #8
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^wow, thats really impressive...I've not seen anything of that sort best we get is mid 20s...why such variability? We use 93 octane in all of our cars too...hmm...
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Old 01-26-10, 08:33 AM   #9
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It must really be flat on the highways in TX...

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Old 01-26-10, 10:26 AM   #10
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I can usually get 30 as well on flat roads, cruise on at around 70-75 mph.

Gotta love direct injection.
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Old 01-26-10, 03:05 PM   #11
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Quote:
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It must really be flat on the highways in TX...

Craig
Well, actually, these were taken while on a trip to Vegas, and I think we were in new Mexico and AZ when these were taken.

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Old 01-27-10, 12:20 AM   #12
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Impressive numbers, indeed!!! In my LS 460 drives here in SoCal I've usually gotten around 19-20 mpg (blame that LA traffic!)
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Old 01-27-10, 09:58 AM   #13
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Quote:
Originally Posted by Mike_TX View Post
As I've posted before, I regularly get 30-31 (sometimes more) on interstates, driving at 80-ish mph.

Click the image to open in full size.

Click the image to open in full size.

Click the image to open in full size.

It's easy to get int he high 20's ... 28-30 is a breeze at 80-85, as long as you use cruise control. As you can tell by the mileage (and the temperatures), these were taken on the same trip, but at different times.
Nice numbers. But just curious, how long did you wait to take these pics after you filled up with fuel? I noticed your fuel guage is either at full or nearly full and your tripmeter A has about 100 miles logged. I assume you reset trip meter A after each fill up. I would be interested to see where your numbers are when the guage is near empty after usage of a full tank of gas.
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Old 10-24-13, 04:18 PM   #14
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Highway I get about 24mpg on cruise at 71mph but real world driving I get about 21-22 Im always running late. 91 octane here in CA and the hybrid weight + 22's probably affect it
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Old 10-24-13, 04:44 PM   #15
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I just made a trip from Los Cruses, NM to Tucson. Cruise control set on 80 mph for virtually all of the trip and no stops. My trip computer showed 31.3 mpg and when I filled the tank it calculated at 30.8 mpg for the 271 mile trip. This thing is amazing on the highway, not so much in town at around 19 mpg.
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Old 10-24-13, 04:44 PM
 
 
 
 
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