2003 Peterbilt 379 MPG

Based on data from 9 vehicles, 598 fuel-ups and 375,431 miles of driving, the 2003 Peterbilt 379 gets a combined Avg MPG of 4.80 with a 0.07 MPG margin of error.

Below you can see a distribution of the fuel-ups with 39 outliers (6.12%) removed.

Following shows the average MPG of each of the 9 vehicles in the system.

• My 379

  2003 Peterbilt 379 15.8L L6 DIESEL
  Added Feb 2025 • 11 Fuel-ups

  Property of harimon379

• 4.0 Avg MPG

• My 379

  2003 Peterbilt 379 15.8L L6 DIESEL
  Added Feb 2024 • 58 Fuel-ups

  Property of redneck589

• 4.6 Avg MPG

• 379

  2003 Peterbilt 379 14.6L L6 DIESEL
  Added Mar 2024 • 36 Fuel-ups

  Property of Seth20

• 4.5 Avg MPG

• My 379

  2003 Peterbilt 379 14.6L L6 DIESEL
  Added Feb 2024 • 7 Fuel-ups

  Property of DavidWayne

• 4.3 Avg MPG

• My 379

  2003 Peterbilt 379 14.6L L6 DIESEL
  Added Apr 2023 • 5 Fuel-ups

  Property of yarddog101

• 6.0 Avg MPG

• My 379

  2003 Peterbilt 379 15.8L L6 DIESEL
  Added Jan 2023 • 12 Fuel-ups

  Property of nesler23

• 4.9 Avg MPG

• XXX

  2003 Peterbilt 379 15.8L L6 DIESEL Manual Tractor Truck - Long Conventional
  Added Jan 2020 • 146 Fuel-ups

  Property of MichaelW90

• 4.8 Avg MPG

• Peterbilt

  2003 Peterbilt 379
  Added Apr 2018 • 74 Fuel-ups

  Property of MMoore

• 4.6 Avg MPG

• Brian wenger

  2003 Peterbilt 379 15.0L L6 DIESEL
  Added Feb 2018 • 508 Fuel-ups

  Property of bkwenger

• 5.7 Avg MPG