Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - BMW M3: "The optimal speed for fuel economy in this car seems to be around 80mph"

AeroModder · 04-28-2010, 10:29 AM

I've been interested in mapping the speed vs. fuel economy in my car for a while now, but I don't have the proper instrumentation. Whenever I drive on the freeway, my tank MPG seems higher than usual.

I'd be interested in seeing you test the MPG from 50+ in both 5th and 6th gears.

04-28-2010, 10:29 AM	#32 (permalink)
AeroModder Master EcoModder Join Date: Jan 2010 Location: Oregon Posts: 471 Tank - '96 Ford Aspire 4 door Team Ford 90 day: 46.75 mpg (US) Thanks: 15 Thanked 65 Times in 48 Posts	I've been interested in mapping the speed vs. fuel economy in my car for a while now, but I don't have the proper instrumentation. Whenever I drive on the freeway, my tank MPG seems higher than usual. I'd be interested in seeing you test the MPG from 50+ in both 5th and 6th gears. __________________ In Reason we Trust