Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum - View Single Post - Winter Fuel Econcomy
View Single Post
Old 12-03-2012, 05:54 AM   #2
BetaDnB
Rubber Side Down
 
BetaDnB's Avatar
 
Join Date: Jul 2011
Fan#: 87466
Location: Buffalo, NY
What I Drive: 2016 Race Red ST1

Posts: 2,355
Points 2,899, Level 32
Points: 2,899, Level: 32 Points: 2,899, Level: 32 Points: 2,899, Level: 32
Level Up 99% Completed
Level up: 99% Level up: 99% Level up: 99%
Forum Activity 21%
Activity: 21% Activity: 21% Activity: 21%
FF Reputation: 17 BetaDnB Great Standing Member
Buy-Sell-Trade Rating: (0)
Colder air is more dense (as you stated) which requires more fuel for proper ignition. It also makes it more difficult for the car to cut through the air (aerodynamics). 2 mpg isn't bad of a drop. I lose about 5 mpg in winter also only using ethanol free.
__________________
Current- 2016 Race Red Focus ST1

Traded In - Sedan Revolution #249 - 2012 SE Sport - ╠╬╝ - Ingot Silver - 201A - K&N w/ snorkel delete - Blox Type R Knob
BetaDnB is online now  
    Reply With Quote