Based on data from 81 vehicles, 3,985 fuel-ups and 904,648 miles of driving, the 1999 Ford Mustang gets a combined Avg MPG of 19.51 with a 0.15 MPG margin of error.

Any Engine Type 3.8L V6 GAS (23) 4.6L V8 GAS (42) V6 GAS (8) V8 GAS (7) Any Body Style Coupe (18) Convertible (6) Any Submodel SVT Cobra (11) Base (23) GT (31) Other (16)

Below you can see a distribution of the fuel-ups with 73 outliers (1.80%) removed.

Following shows the average MPG of each of the 81 vehicles in the system.

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• My Mustang

  1999 Ford Mustang SVT Cobra 4.6L V8 GAS Manual 5 Speed
  Added Mar 2019 • 9 Fuel-ups

  Property of red99cobra

• 18.9 Avg MPG

• My Mustang

  1999 Ford Mustang 3.8L V6 GAS Manual 5 Speed
  Added Jun 2022 • 6 Fuel-ups

  Property of bsanderford1088

• 16.7 Avg MPG

• My Mustang

  1999 Ford Mustang 3.8L V6 GAS Manual 5 Speed
  Added Dec 2021 • 52 Fuel-ups

  Property of ManiacMagoo

• 21.7 Avg MPG

• Shelby

  1999 Ford Mustang GT 4.6L V8 GAS Standard 5 Speed Coupe
  Added Jan 2016 • 57 Fuel-ups

  Property of Bobo16254

• 15.1 Avg MPG

• My Mustang

  1999 Ford Mustang GT 4.6L V8 GAS Automatic 4 Speed
  Added Oct 2017 • 40 Fuel-ups

  Property of grandtech

• 19.4 Avg MPG

• 1999 Mustang

  1999 Ford Mustang 3.8L V6 GAS Manual 5 Speed
  Added Jun 2021 • 3 Fuel-ups

  Property of SMUredneck44

• 31.0 Avg MPG

• Stormstang

  1999 Ford Mustang GT 4.6L V8 GAS Manual 5 Speed
  Added Sep 2019 • 43 Fuel-ups

  Property of bwariner

• 14.0 Avg MPG

• My Mustang

  1999 Ford Mustang GT 4.6L V8 GAS Manual 5 Speed
  Added Nov 2019 • 3 Fuel-ups

  Property of I8AZ28

• 15.1 Avg MPG

• 1999 Mustang GT

  1999 Ford Mustang GT 4.6L V8 GAS Standard 5 Speed Convertible
  Added Nov 2015 • 39 Fuel-ups

  Property of mustangquest

• 18.3 Avg MPG

• Mustang

  1999 Ford Mustang 3.8L V6 GAS Automatic 4 Speed Coupe
  Added Apr 2017 • 15 Fuel-ups

  Property of mrwitty_1

• 23.0 Avg MPG

• 99 Mustang

  1999 Ford Mustang 3.8L V6 GAS Standard 5 Speed Coupe
  Added Dec 2020 • 143 Fuel-ups

  Property of litsipp

• 23.2 Avg MPG

• Mustang Québec

  1999 Ford Mustang 3.8L V6 GAS Automatic 4 Speed Convertible
  Added May 2018 • 19 Fuel-ups

  Property of gbernier10

• 24.7 Avg MPG

• Mustang

  1999 Ford Mustang 3.8L V6 GAS Automatic 4 Speed
  Added Aug 2016 • 329 Fuel-ups

  Property of theblaqkout

• 20.6 Avg MPG

• Granite

  1999 Ford Mustang 3.8L V6 GAS Manual 5 Speed Coupe
  Added Nov 2014 • 29 Fuel-ups

  Property of DJRcreative

• 18.0 Avg MPG

• My Mustang

  1999 Ford Mustang GT 4.6L V8 GAS Automatic 4 Speed
  Added Feb 2020 • 5 Fuel-ups

  Property of yelruc2

• 13.3 Avg MPG

• My Mustang

  1999 Ford Mustang 3.8L V6 GAS Automatic 4 Speed
  Added Nov 2016 • 17 Fuel-ups

  Property of dialtonepro

• 17.1 Avg MPG

• My Mustang

  1999 Ford Mustang GT 4.6L V8 GAS Standard 5 Speed
  Added May 2018 • 16 Fuel-ups

  Property of demikno

• 18.0 Avg MPG

• Luna

  1999 Ford Mustang 3.8L V6 GAS Automatic 4 Speed Coupe
  Added Aug 2016 • 16 Fuel-ups

  Property of iamthesargent

• 15.4 Avg MPG

• Stang

  1999 Ford Mustang GT 4.6L V8 GAS Standard 5 Speed
  Added Jul 2018 • 29 Fuel-ups

  Property of b3bt4592

• 21.2 Avg MPG

• Mustang GT

  1999 Ford Mustang GT 4.6L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 203 Fuel-ups

  Property of MarcVilla

• 18.8 Avg MPG

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