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99ParkAvenue · 07-12-2013, 12:54 PM

Just for reference, my best hiway trip was 94 miles @ 36.6 mpg in my 3.8 V6 Park Avenue. Tires at max sidewall, SCII, Mirrors folded in and a temporary grill block. I drove at a steady 60 mph usign the cruise control.

07-12-2013, 12:54 PM	#13 (permalink)
99ParkAvenue BuickModder Join Date: May 2013 Location: Olathe KS Posts: 13 99ParkAvenue - '99 Buick Park Avenue 90 day: 25.82 mpg (US) Thanks: 1 Thanked 4 Times in 2 Posts	Just for reference, my best hiway trip was 94 miles @ 36.6 mpg in my 3.8 V6 Park Avenue. Tires at max sidewall, SCII, Mirrors folded in and a temporary grill block. I drove at a steady 60 mph usign the cruise control.