Ford Focus Forum, Ford Focus ST Forum - View Single Post - Winter Fuel Econcomy
View Single Post
Old 12-03-2012, 11:58 AM   #10
gkirk
Focus Enthusiast
 
Join Date: Nov 2011
Fan#: 91903
Location: Annapolis, MD
What I Drive: 2012 C.Red Focus SE Sport Package

Posts: 245
FF Reputation: 3 gkirk Good Standing Member
Buy-Sell-Trade Rating: (0)
Don't forget that tire pressure will drop a bit with temperature too. Not sure exactly how much it will drop, but I found a reference that it is about 1psi / 10 degrees F.

So if you inflated them at 70F, they will be 3-4 psi lower at 32F. That can cause a noticeable drop to gas mileage.
gkirk is offline  
    Reply With Quote