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Old 05-22-2014, 02:12 PM   #3 (permalink)
Master EcoModder
JRMichler's Avatar
Join Date: Feb 2011
Location: Phillips, WI
Posts: 985

Nameless - '06 GMC Canyon
90 day: 37.45 mpg (US)
Thanks: 188
Thanked 415 Times in 266 Posts
I have carried canoes with roof racks on several different cars and trucks. My experiences are similar to yours - minimal effect on handling and roughly 10% hit on gas mileage. I do try to put the canoe as far to the rear as practical in order to minimize the "scoop" area in front of the windshield.
The vacuum gauge plus wheel covers helped increase summer 2015 mileage to 38.5 MPG, while summer 2016 mileage was 38.6 MPG without the wheel covers. Drove 33,021 miles 2016-2018 at 35.00 MPG.
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