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Big Dog Mastiff MPG

3 Big Dog Mastiffs have provided 19 thousand miles of real world fuel economy & MPG data.
Click here to view all the Big Dog Mastiffs currently participating in our fuel tracking program.

Big Dog Mastiffs For Sale Nearby

Tips

Lower your Aero Drag by going a Tiny Bit Slower

I figure 53mph is close enough to 55mph that other drivers w... ...

by ChewChewTrain

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