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GMC C4500 Topkick MPG

2 GMC C4500 Topkicks have provided 30 thousand miles of real world fuel economy & MPG data.
Click here to view all the GMC C4500 Topkicks currently participating in our fuel tracking program.

GMC C4500 Topkicks For Sale Nearby

Tips

Highest gear not necessarily "economy" gear

Hi! I was always lead to believe getting in the highest gear... ...

by benlovesgoddess

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