Quote:
Originally Posted by ksa8907
new tires will reduce mileage slightly until they get a few hundred miles on them, but you may also be seeing the effect of 2.4 extra pounds per wheel.
just like going from road tires to mountain bike tires on a bicycle, it takes a lot of energy to spin up that extra weight.
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Every little bit can make a difference
I'm still happy that I'm solidly getting above EPA ratings
my commute isn't the best for fuel economy
(60 miles total, 50 miles 2 lane 60-65mph, including several thousand feet of elevation change)
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2005 GTO 6.0 V8 (600hp)
1991 Geo Metro 1.0 3/5 base
2010 Prius II (replaced 2001 Tahoe 5.3 V8 April 2014)
1994 F-350 7.3 TurboDiesel (Rollin' Coal)
