2009 Peterbilt 379 MPG

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from other Peterbilt 379 vehicles (View All)

gilbertg24 added 1 notes for their 1999 Peterbilt 379. 6 hours ago
gilbertg24 added 1 notes for their 1999 Peterbilt 379. 6 hours ago
DShadows13 added 1 notes for their 1998 Peterbilt 379. 6 days ago
lorendiesel59 fueled-up their 2004 Peterbilt 379. Last Tank: 5.2 MPG 6 days ago
lorendiesel59 fueled-up their 2004 Peterbilt 379. Last Tank: 5.3 MPG 1 week ago
lorendiesel59 had 1 best tank(s) for their 2004 Peterbilt 379. Last Tank: 5.3 MPG 1 week ago
lorendiesel59 had 1 best tank(s) for their 2004 Peterbilt 379. Last Tank: 5.1 MPG 1 week ago

Someone has suggested coasting in neutral, you lose engine b... ...