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Old 09-28-2013, 12:59 AM   #21
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Join Date: Aug 2013
Location: Utah
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You guys are lucky! Our favorite spot takes us from about 4500ft up to about 8000ft up a canyon. We almost always have a strong headwind going up, and the mileage is in the 6-8 range. Coming down is usually around 11.
The Titan isn't really known for good mileage anyway, but I think it's time for some forced induction.

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Old 09-30-2013, 10:47 AM   #22
Join Date: Jun 2013
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Forced induction is the way go, just don't expect better mileage.
We live at 4500ft and camp at 9900ft. Round trip nets about 8.7mpg

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Old 09-30-2013, 08:07 PM   #23
Join Date: Jul 2013
Location: North Carolina
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12.4 mpg with my 4.0 tacoma... I'm pulling a jay flight swift 281 bhs...
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Old 09-30-2013, 09:13 PM   #24
Join Date: Jun 2013
Location: Sedona, AZ
Posts: 62
I've found speed and hills matter more than engine. When I use my FJ, I usually get around 12 mpg. I recently got back from a 3-week trip pulling with a Silverado 3500HD Diesel (crew cab with extended bed). We got anywhere from 9-11 mpg but we went a lot faster.
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Old 09-30-2013, 09:19 PM   #25
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Location: Wasatch Front, Utah
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On the couple times I have went out, I got 16+ but most of that was on mostly level roads doing 55-60. In the mountains, the computer in the X showed between 12-14
2014 Swift SLX 184BH
2013 Acura MDX

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Old 09-30-2013, 09:46 PM   #26
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Location: Clarkston, MI
Posts: 148
Yea, so many variables. Just got back from VA and got 15mpg going through MI and Ohio. Once I hit the hills in PA/WV/VA it went down to 12/13mpg. Doing 65 the whole way. That's with the diesel though. Depending on the combos and location it seems most people fall into the 9ish-15 range. The term hwy milage is a long way off.
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Old 02-24-2014, 07:03 PM   #27
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Location: California - SF Bay Area
Posts: 4
I guess I not feeling so depressed. I just completed our maiden voyage towing my Swift 15RBH Baja with a 2012 Nissan X-Terra V6 averaging 62mph for about 1200 miles. I got about 12 MPG whereas I usually get 19 HWY.
Base Camper
2014 Jayco Swift SLX 15RBH Baja Edition
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Old 02-24-2014, 09:13 PM   #28
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Location: Clinton, MT
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We can get between 9-10 mpg @ 55-60 mph. If we are in Montana and driving 65-70 on the Interstate we will get between 6-8 mpg, depending on hills to climb and head winds. Our Yukon XL has a 6.0 Liter, we are maxed out at close to 8,000 lbs in the TT weight.

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Old 05-29-2014, 01:16 AM   #29
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Join Date: May 2014
Location: Concord
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With my 2004 Silverado Crew Cab, 1/2 ton, 2wd, 5.3L, 3.73 axle ratio, I get between 11 and 12 mpg towing a 2013 17z. I did upgrade the plug wires to Granatelli Motorsports wires (virtually no resistance) and that helped some. Also running a K&N air filter. I am considering changing the muffler to a Magnaflow and possibly getting a power programmer to see if that helps. I think most of the drag is from the wind resistance. I recently towed a 2008 Malibu on a U Haul auto transport and was getting about 15 mpg. This probably weighs at least 2,000 lbs. more than the 17 z. The truck usually gets about 19 - 20 mpg on the highway when not towing.

There are certain conditions where it does struggle somewhat and that results in the transsmission going in and out of overdrive.

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