Ah, a Grand Prix - nice car. That's a great highway cruiser. Just go nice and easy on the gas pedal and it'll reward you. MUCH easier than many other cars. The transmission is eager to unlock when you let up on the gas, so you'll have little need to manually shift into neutral. Just keep it rolling. Stops are a killer on those. (actually, it's the start that follows...)
A friend here has a Buick with the same drivetrain. He gets ~25 mpg in town, but has come this close to 40 on highway trips.
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11-mile commute: 100 mpg - - - Tank: 90.2 mpg / 1191 miles
Last edited by PaleMelanesian; 12-18-2008 at 10:25 AM..
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