Based on data from 17 vehicles, 1,119 fuel-ups and 207,304 miles of driving, the 1998 Pontiac Firebird gets a combined Avg MPG of 17.47 with a 0.30 MPG margin of error.

Any Engine Type 3.8L V6 GAS (3) 5.7L V8 GAS (8) V8 GAS (6) Any Body Style Coupe (3) Convertible (1) Any Submodel Formula (1) Base (3) Trans Am (7) Other (6)

Below you can see a distribution of the fuel-ups with 32 outliers (2.78%) removed.

Following shows the average MPG of each of the 17 vehicles in the system.

• Batmobile

  1998 Pontiac Firebird Trans Am 5.7L V8 GAS Automatic 4 Speed
  Added Nov 2017 • 194 Fuel-ups

  Property of johnsweezy

• 12.4 Avg MPG

• The Bird

  1998 Pontiac Firebird Trans Am 5.7L V8 GAS Manual 6 Speed Coupe
  Added Nov 2022 • 7 Fuel-ups

  Property of JoeyDMG

• 14.9 Avg MPG

• My Firebird

  1998 Pontiac Firebird 3.8L V6 GAS Automatic 4 Speed
  Added Jun 2022 • 32 Fuel-ups

  Property of chipchip

• 14.9 Avg MPG

• Trans Am

  1998 Pontiac Firebird Trans Am 5.7L V8 GAS Automatic 4 Speed Convertible
  Added Feb 2020 • 9 Fuel-ups

  Property of firechicken37

• 56.9 Avg MPG

• SnowFire

  1998 Pontiac Firebird 3.8L V6 GAS Automatic Coupe
  Added Jun 2018 • 76 Fuel-ups

  Property of MelissaTronic

• 21.0 Avg MPG

• Firebird Trans Am

  1998 Pontiac Firebird Trans Am 5.7L V8 GAS Automatic 4 Speed Coupe
  Added Mar 2018 • 7 Fuel-ups

  Property of bmoore11

• 12.9 Avg MPG

• Black Bird

  1998 Pontiac Firebird Trans Am 5.7L V8 GAS
  Added Nov 2012 • 43 Fuel-ups

  Property of sonofmoon

• 17.5 Avg MPG

• John's car

  1998 Pontiac Firebird Formula 5.7L V8 GAS Standard 6 Speed
  Added Jan 2018 • 514 Fuel-ups

  Property of TallyNole9

• 19.2 Avg MPG

• Frank

  1998 Pontiac Firebird 3.8L V6 GAS
  Added Aug 2018 • 18 Fuel-ups

  Property of schollaa

• 25.4 Avg MPG

• 98 Trans Am

  1998 Pontiac Firebird Trans Am 5.7L GAS V8 Automatic 4 Coupe (2 Door)
  Added Jul 2014 • 30 Fuel-ups

  Property of Ryanjm

• 11.7 Avg MPG

• Muscle

  1998 Pontiac Firebird GAS V8
  Added Feb 2014 • 13 Fuel-ups

  Property of ElGuapoK20

• 23.3 Avg MPG

• Formula

  1998 Pontiac Firebird GAS V8
  Added Aug 2013 • 8 Fuel-ups

  Property of camaro91z

• 19.6 Avg MPG

• T/A

  1998 Pontiac Firebird GAS V8
  Added Jun 2012 • 5 Fuel-ups

  Property of AJD5

• 19.6 Avg MPG

• Trans Am

  1998 Pontiac Firebird Trans Am 5.7L GAS V8 Standard 6 Coupe (2 Door)
  Added Jan 2014 • 196 Fuel-ups

  Property of tecmec

• 16.6 Avg MPG

• Blueberry

  1998 Pontiac Firebird GAS V8
  Added Jul 2009 • 17 Fuel-ups

  Property of DarkFormula

• 23.1 Avg MPG

• DarkFormula

  1998 Pontiac Firebird GAS V8
  Added Jun 2009 • 6 Fuel-ups

  Property of DarkFormula

• 11.6 Avg MPG

• 98 Trans Am

  1998 Pontiac Firebird GAS V8
  Added Aug 2008 • 11 Fuel-ups

  Property of slynch05

• 23.2 Avg MPG