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GMC 3500 MPG

1 GMC 3500s have provided 1 thousand miles of real world fuel economy & MPG data.
Click here to view all the GMC 3500s currently participating in our fuel tracking program.

GMC 3500s For Sale Nearby

  • 1966
  • 21.1 Avg MPG
  • 1 Vehicle
  • 6 Fuel-ups
  • 1,360 Miles Tracked
  • View All 1966 GMC 3500s

Tips

Yes, DO coast in neutral

Tips say injectors shut off when you coast in gear. True on ... ...

by Hexadecimus

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