View Single Post
Old 07-25-2012, 02:10 PM   #3 (permalink)
UFO
Master EcoModder
 
UFO's Avatar
 
Join Date: Sep 2010
Location: Denver, CO
Posts: 1,300

Colorado - '17 Chevrolet Colorado 4x4 LT
90 day: 23.07 mpg (US)
Thanks: 315
Thanked 178 Times in 138 Posts
Cd is just the coefficient of drag. To calculate the loss, you have to factor in the frontal area, so a Tahoe may have a fairly low Cd, but it's still as big a barn door and costs more fuel to push it through the air.
__________________
I'm not coasting, I'm shifting slowly.
  Reply With Quote