Based on data from 27 vehicles, 1,203 fuel-ups and 295,967 miles of driving, the 1999 Mercury Cougar gets a combined Avg MPG of 22.71 with a 0.28 MPG margin of error.

Any Engine Type 2.0L L4 GAS (1) 2.5L V6 GAS (10) V6 GAS (14) Any Body Style Coupe (8) Any Submodel Base (1) V6 (11) Other (15)

Below you can see a distribution of the fuel-ups with 11 outliers (0.91%) removed.

Following shows the average MPG of each of the 27 vehicles in the system.

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• 99 Cougar

  1999 Mercury Cougar V6 2.5L V6 GAS Manual 5 Speed Coupe
  Added Dec 2020 • 113 Fuel-ups

  Property of jtandrews3

• 25.3 Avg MPG

• Cougar

  1999 Mercury Cougar V6 2.5L V6 GAS Standard 5 Speed Coupe
  Added Sep 2016 • 245 Fuel-ups

  Property of brcline89

• 22.0 Avg MPG

• XA Cougar #71

  1999 Mercury Cougar V6 V6 GAS Manual 5 Speed Coupe
  Added May 2021 • 6 Fuel-ups

  Property of B3NN3TT

• 13.6 Avg MPG

• Alfias

  1999 Mercury Cougar V6 2.5L V6 GAS Automatic 4 Speed Coupe
  Added May 2011 • 136 Fuel-ups

  Property of PzKpfw

• 19.9 Avg MPG

• Laser Red

  1999 Mercury Cougar V6 2.5L V6 GAS Manual 5 Speed Coupe
  Added May 2016 • 19 Fuel-ups

  Property of B3NN3TT

• 19.1 Avg MPG

• Cougar

  1999 Mercury Cougar V6 2.5L V6 GAS Automatic 4 Speed
  Added Dec 2017 • 10 Fuel-ups

  Property of djxcentrik

• 18.0 Avg MPG

• Cougar

  1999 Mercury Cougar V6 2.5L V6 GAS Automatic 4 Speed Coupe
  Added Oct 2017 • 138 Fuel-ups

  Property of Sketch201

• 23.8 Avg MPG

• Puma

  1999 Mercury Cougar V6 2.5L V6 GAS Standard 5 Speed
  Added Jan 2016 • 22 Fuel-ups

  Property of corhydrae

• 20.7 Avg MPG

• Cougar

  1999 Mercury Cougar V6 2.5L V6 GAS Coupe
  Added Jun 2018 • 4 Fuel-ups

  Property of chemp

• 21.3 Avg MPG

• Slick

  1999 Mercury Cougar GAS V6
  Added Aug 2010 • 135 Fuel-ups

  Property of CodyTRX

• 26.9 Avg MPG

• Sonic

  1999 Mercury Cougar GAS V6
  Added Oct 2010 • 29 Fuel-ups

  Property of Sonic99

• 26.8 Avg MPG

• Cougar

  1999 Mercury Cougar GAS V6
  Added May 2013 • 4 Fuel-ups

  Property of defhaps

• 21.6 Avg MPG

• Cougar

  1999 Mercury Cougar GAS V6
  Added Oct 2013 • 7 Fuel-ups

  Property of savorfan

• 20.2 Avg MPG

• Cougar

  1999 Mercury Cougar V6 2.5L V6 GAS Automatic 4 Speed
  Added Mar 2018 • 120 Fuel-ups

  Property of jmynderse

• 21.8 Avg MPG

• Harley

  1999 Mercury Cougar GAS V6
  Added Apr 2013 • 3 Fuel-ups

  Property of ggsouly

• 24.4 Avg MPG

• 1999 Mercury Cougar V6

  1999 Mercury Cougar GAS V6
  Added May 2011 • 15 Fuel-ups

  Property of pmt

• 22.3 Avg MPG

• Mercury cougar

  1999 Mercury Cougar V6 2.5L V6 GAS Standard 5 Speed
  Added Sep 2016 • 47 Fuel-ups

  Property of kpee

• 24.3 Avg MPG

• ThunderCat

  1999 Mercury Cougar GAS V6
  Added Sep 2011 • 19 Fuel-ups

  Property of Tranziq

• 20.8 Avg MPG

• Bitchy

  1999 Mercury Cougar GAS V6
  Added Aug 2010 • 11 Fuel-ups

  Property of Pyro81

• 24.2 Avg MPG

• Miss Cougie

  1999 Mercury Cougar
  Added Jan 2010 • 94 Fuel-ups

  Property of Crazyboarder

• 24.1 Avg MPG

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