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BMW 428i Gran Coupe MPG

12 BMW 428i Gran Coupes have provided 128 thousand miles of real world fuel economy & MPG data.
Click here to view all the BMW 428i Gran Coupes currently participating in our fuel tracking program.

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Using Neutral when Coasting in Modern-Day Vehicles

For years I have understood that using neutral burns fuel to... ...

by RieBauer17

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