Click here to see important news regarding the iOS apps

Peterbilt 389 MPG

29 Peterbilt 389s have provided 1.5 million miles of real world fuel economy & MPG data.
Click here to view all the Peterbilt 389s currently participating in our fuel tracking program.

Peterbilt 389s For Sale Nearby

Recent Activity

from other Peterbilt 389 vehicles (View All)

Tips

Better air flow in center lane of three lane highway

If you regularly drive on a 3-lane highway (or perhaps more ... ...

by Sniper977

Read more tips