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60 is my top speed. I drove my xB 7200 miles cross-country 2 months after I bought it, and learned what it liked and didn't like on that trip. It hits a brick wall aerodynamically at 60 mph. If I drive it 70 mph, I get 32 mpg. If I drive 55 mph, I get about 42 mpg. But if I P&G on low-traffic volume backroads between 60 and 50 mph, I can get 48 mpg. Add long downhills and no traffic (where I can glide safely to 35-40 mph, and I can get 52 mpg.
On low speed 40 mph country roads, I can top 60 mpg.
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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
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