Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Tall tire test (taller gearing advantage offset by wider, heavier wheels/tires?)

SentraSE-R · 05-20-2011, 10:36 PM

The problem is 195/65-15s are only 2.09% taller than the 185/65-15s you're running, and barely roll 2.125% less/mile, so you won't see much improvement using them.

05-20-2011, 10:36 PM	#13 (permalink)
SentraSE-R Pishtaco Join Date: Jun 2009 Location: Bay Area, California Posts: 1,485 Mean Green Toaster Machine - '06 Scion xB Team Toyota 90 day: 48.92 mpg (US) Thanks: 56 Thanked 286 Times in 181 Posts	The problem is 195/65-15s are only 2.09% taller than the 185/65-15s you're running, and barely roll 2.125% less/mile, so you won't see much improvement using them. __________________ Darrell Boycotting Exxon since 1989, BP since 2010 Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? George Carlin Mean Green Toaster Machine 49.5 mpg avg over 53,000 miles. 176% of '08 EPA Best flat drive 94.5 mpg for 10.1 mi Longest tank 1033 km (642 mi) on 10.56 gal = 60.8 mpg Last edited by SentraSE-R; 07-15-2011 at 06:17 PM..