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Oct 3, 2015 | 11:21 AM

tusc6

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Joined: Jul 2012

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From: Arizona

34.2

Ran a 100 mile freeway leg in 7th gear with eco selected. Loss of 1500 feet in elevation over the leg. The car returned 34.2 mpg. Pretty impressive IMO. I didn't like the sounds and feel of the cylinder deactivation though. FYI @75 mph

Oct 3, 2015 | 03:24 PM

John Ulrich

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Joined: Jun 2000

Posts: 3,431

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From: MN-C3, AZ-C7

Quote:

Originally Posted by tusc6

34 here also. My deactivation is smooth. I feel nothing.

Oct 3, 2015 | 05:17 PM

TEXHAWK0

Le Mans Master

Joined: Sep 2003

Posts: 8,847

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From: Longview Texas

I got 32.9 MPG in 6th, on cruise control, with NO ECO mode driving interstate in Texas.
Pulled the hills in 6th with no downshifting...

Oct 3, 2015 | 11:49 PM

tusc6

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From: Arizona

Yeah, 6th or 7th without eco is better on the engine and drive train.

Oct 4, 2015 | 03:03 AM

ilivas

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Joined: Feb 2015

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The best I can get is 28mpg.

Oct 4, 2015 | 09:23 AM

W88fixer

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Joined: Nov 2013

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From: Texas

Quote:

Originally Posted by tusc6

I didn't like the sounds and feel of the cylinder deactivation though. FYI @75 mph

There is no sound difference that I can detect in AFM mode but mine is an A6 and that may well be the reason. Don

Oct 7, 2015 | 12:27 AM

Vetteman Jack

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From: In a parallel universe. Currently own 2014 Stingray Coupe.

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That's a good MPG number from the car.

Oct 7, 2015 | 05:52 AM

vetehead

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Joined: Jul 2007

Posts: 1,454

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From: Massapequa NY

Quote:

Originally Posted by ilivas

The best I can get is 28mpg.

I have seen higher but only on instant. I have never seen higher then 28 avg. Car is now 2 yrs old...

Not really concerned as car runs great!

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Oct 8, 2015 | 07:57 AM

Frodo

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Joined: Apr 2002

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From: Tellico Plains Tennessee

I got 41.6 mpg for a "best 50" on my recent trip to Arizona. This stretch was likely coming down the Continental Divide in New Mexico. I had the AC on and cruise control set for 80 mph. It amazes me that I can pass cars on the highway in 4 cylinder mode, get better gas mileage than many of them, and look better doing it.