Based on data from 129 vehicles, 7,974 fuel-ups and 1,573,235 miles of driving, the 1999 Jeep Wrangler gets a combined Avg MPG of 15.24 with a 0.06 MPG margin of error.

Any Engine Type 2.5L L4 GAS (18) 4.0L L6 GAS (78) DIESEL (1) L4 DIESEL (1) L4 GAS (8) L6 GAS (14) Any Body Style Sport Utility (35) Hardtop (1) Any Submodel SE (18) Sahara (25) Sport (55) Other (31)

Below you can see a distribution of the fuel-ups with 431 outliers (5.13%) removed.

Following shows the average MPG of each of the 129 vehicles in the system.

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• Jeeper

  1999 Jeep Wrangler Sport 4.0L L6 GAS Automatic 3 Speed
  Added May 2017 • 5 Fuel-ups

  Property of RockyFields

• 15.8 Avg MPG

• Jeep TJ

  1999 Jeep Wrangler Sport 4.0L L6 GAS Automatic 3 Speed
  Added Apr 2014 • 80 Fuel-ups

  Property of robinson2077

• 15.1 Avg MPG

• My Wrangler

  1999 Jeep Wrangler Sport 4.0L L6 GAS Standard 5 Speed Sport Utility
  Added Feb 2013 • 86 Fuel-ups

  Property of doubblea

• 13.9 Avg MPG

• Wrangler

  1999 Jeep Wrangler Sahara 4.0L L6 GAS Standard 5 Speed Sport Utility
  Added Dec 2015 • 25 Fuel-ups

  Property of Jcflood

• 18.7 Avg MPG

• Scott's Jeep

  1999 Jeep Wrangler SE 2.5L L4 GAS Automatic 3 Speed
  Added Mar 2017 • 17 Fuel-ups

  Property of swacharski

• 14.3 Avg MPG

• '99 Jeep TJ

  1999 Jeep Wrangler GAS L6
  Added Sep 2013 • 29 Fuel-ups

  Property of brandom

• 12.8 Avg MPG

• MaroonFishDogTooth

  1999 Jeep Wrangler Sport 4.0L L6 GAS Standard 5 Speed Sport Utility
  Added Feb 2015 • 99 Fuel-ups

  Property of dennisp2938

• 14.8 Avg MPG

• JTJ!

  1999 Jeep Wrangler Sport 4.0L L6 GAS Standard 5 Speed Sport Utility
  Added Mar 2014 • 100 Fuel-ups

  Property of JohnEE

• 15.4 Avg MPG

• 99 Jeep TJ

  1999 Jeep Wrangler Sahara 4.0L GAS L6 Standard 5 Sport Utility (2 Door)
  Added Sep 2014 • 60 Fuel-ups

  Property of mrjking2000

• 15.5 Avg MPG

• The Heap

  1999 Jeep Wrangler Sport 4.0L L6 GAS Standard 5 Speed Sport Utility
  Added Apr 2011 • 35 Fuel-ups

  Property of SilverDiesel

• 18.1 Avg MPG

• My Wrangler

  1999 Jeep Wrangler SE 2.5L L4 GAS Automatic 3 Speed
  Added Feb 2016 • 7 Fuel-ups

  Property of jeepyyyy

• 14.0 Avg MPG

• Jeep

  1999 Jeep Wrangler Sport 4.0L L6 GAS Sport Utility
  Added Sep 2018 • 8 Fuel-ups

  Property of DanielWatson

• 15.4 Avg MPG

• Jeep Wrangler

  1999 Jeep Wrangler Sahara 4.0L L6 GAS Automatic 3 Speed
  Added Sep 2016 • 37 Fuel-ups

  Property of spena

• 22.4 Avg MPG

• Jeep

  1999 Jeep Wrangler Sahara 4.0L L6 GAS Sport Utility (2 Door)
  Added Aug 2011 • 255 Fuel-ups

  Property of The19th

• 16.7 Avg MPG

• My Wrangler

  1999 Jeep Wrangler Sahara 4L GAS L6 Automatic 3 Sport Utility (2 Door)
  Added Feb 2015 • 27 Fuel-ups

  Property of atj2158

• 17.3 Avg MPG

• Jeep

  1999 Jeep Wrangler
  Added Dec 2013 • 17 Fuel-ups

  Property of Volks09Wagen

• 12.8 Avg MPG

• Jeep

  1999 Jeep Wrangler Sport 4.0L L6 GAS Standard 5 Speed
  Added Mar 2017 • 77 Fuel-ups

  Property of slr20116

• 15.0 Avg MPG

• Black Beauty

  1999 Jeep Wrangler SE 2.5L L4 GAS Standard 5 Sport Utility (2 Door)
  Added Sep 2011 • 142 Fuel-ups

  Property of wwch99tj

• 17.4 Avg MPG

• My Wrangler

  1999 Jeep Wrangler Sport 4.0L GAS L6 Automatic 3 Sport Utility (2 Door)
  Added Oct 2014 • 11 Fuel-ups

  Property of ddnny96

• 15.3 Avg MPG

• JT

  1999 Jeep Wrangler GAS L6
  Added Mar 2013 • 52 Fuel-ups

  Property of SDChef

• 15.7 Avg MPG

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