1999 Peterbilt 379 MPG

Based on data from 10 vehicles, 498 fuel-ups and 370,692 miles of driving, the 1999 Peterbilt 379 gets a combined Avg MPG of 5.46 with a 0.08 MPG margin of error.

Below you can see a distribution of the fuel-ups with 37 outliers (6.92%) removed.

Following shows the average MPG of each of the 10 vehicles in the system.

• My 379

  1999 Peterbilt 379 12.7L L6 DIESEL
  Added Feb 2024 • 97 Fuel-ups

  Property of 379-Pete

• 5.7 Avg MPG

• Peter built

  1999 Peterbilt 379 10.8L L6 DIESEL
  Added Jul 2022 • 208 Fuel-ups

  Property of gilbertg24

• 5.9 Avg MPG

• My 379

  1999 Peterbilt 379 14.6L L6 DIESEL
  Added Feb 2024 • 70 Fuel-ups

  Property of baggedshtbx512

• 5.5 Avg MPG

• Truck# 11 BYT

  1999 Peterbilt 379 12.7L L6 DIESEL
  Added Feb 2024 • 8 Fuel-ups

  Property of rslivelyjr

• 5.2 Avg MPG

• My 379

  1999 Peterbilt 379 14.0L L6 DIESEL
  Added Sep 2023 • 8 Fuel-ups

  Property of GoranC

• 5.5 Avg MPG

• My 379

  1999 Peterbilt 379 10.8L L6 DIESEL
  Added Jun 2023 • 13 Fuel-ups

  Property of gilbertg24

• 4.2 Avg MPG

• My 379

  1999 Peterbilt 379 14.0L L6 DIESEL
  Added Nov 2022 • 30 Fuel-ups

  Property of XxPiiJayxX

• 5.8 Avg MPG

• My 379

  1999 Peterbilt 379 15.0L L6 DIESEL
  Added Jul 2019 • 210 Fuel-ups

  Property of tmlexpress

• 5.5 Avg MPG

• My 379

  1999 Peterbilt 379 10.8L L6 DIESEL
  Added Jul 2019 • 15 Fuel-ups

  Property of tmlexpress

• 6.0 Avg MPG

• My 379

  1999 Peterbilt 379 15.0L L6 DIESEL
  Added Mar 2018 • 35 Fuel-ups

  Property of outlaw692011

• 4.6 Avg MPG