Based on data from 135 vehicles, 9,685 fuel-ups and 3,449,944 miles of driving, the 2015 Kia Optima gets a combined Avg MPG of 25.31 with a 0.11 MPG margin of error.

Any Engine Type 2.0L L4 GAS (20) 2.4L L4 ELECTRIC/GAS (26) 2.4L L4 FULL HYBRID EV-GAS (FHEV) (1) 2.4L L4 GAS (81) DIESEL (1) Any Body Style Sedan (52) Any Submodel 1 (1) 3 (2) Limited (3) EX Luxury (3) SXL Turbo (4) SX (5) Hybrid LX (10) SX Turbo (14) Hybrid EX (17) LX (26) EX (49) Other (1)

Below you can see a distribution of the fuel-ups with 622 outliers (6.03%) removed.

Following shows the average MPG of each of the 135 vehicles in the system.

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• Kia

  2015 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Aug 2020 • 50 Fuel-ups

  Property of Hoss4760

• 29.3 Avg MPG

• K5

  2015 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Aug 2015 • 253 Fuel-ups

  Property of peego

• 26.1 Avg MPG

• Kia Optima

  2015 Kia Optima LX 2.4L L4 GAS Automatic 6 Speed
  Added Aug 2019 • 82 Fuel-ups

  Property of Keoni-robert

• 31.3 Avg MPG

• Kia

  2015 Kia Optima SX Turbo 2.0L L4 GAS Automatic 6 Speed
  Added Mar 2017 • 66 Fuel-ups

  Property of jimh20

• 31.4 Avg MPG

• Optima

  2015 Kia Optima Limited 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Jun 2021 • 6 Fuel-ups

  Property of MRCORDOVA1

• 90.0 Avg MPG

• My Optima

  2015 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed
  Added Jul 2021 • 11 Fuel-ups

  Property of bluelabeldrinker

• 27.4 Avg MPG

• Kia Optima

  2015 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Sep 2021 • 3 Fuel-ups

  Property of yhang96

• 27.8 Avg MPG

• Delorean Falcon

  2015 Kia Optima Hybrid EX 2.4L L4 ELECTRIC/GAS Automatic 6 Speed
  Added Dec 2016 • 127 Fuel-ups

  Property of JandJSpambox

• 37.7 Avg MPG

• Kia Optima

  2015 Kia Optima LX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added May 2021 • 29 Fuel-ups

  Property of stefguti

• 27.0 Avg MPG

• My Optima

  2015 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed
  Added May 2018 • 106 Fuel-ups

  Property of tddowner

• 24.8 Avg MPG

• My Optima

  2015 Kia Optima SX Turbo 2.0L L4 GAS Automatic 6 Speed
  Added Feb 2019 • 36 Fuel-ups

  Property of MissyG

• 26.4 Avg MPG

• Optima

  2015 Kia Optima LX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Jul 2016 • 280 Fuel-ups

  Property of UBRocked

• 27.9 Avg MPG

• My Optima

  2015 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed
  Added Apr 2021 • 31 Fuel-ups

  Property of waskupie

• 24.7 Avg MPG

• Kia Optima

  2015 Kia Optima LX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Dec 2017 • 95 Fuel-ups

  Property of brodied82

• 25.9 Avg MPG

• My Optima

  2015 Kia Optima Hybrid EX 2.4L L4 ELECTRIC/GAS Automatic 6 Speed
  Added Jul 2020 • 14 Fuel-ups

  Property of NavyCPO2006

• 35.8 Avg MPG

• KiA

  2015 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Nov 2017 • 91 Fuel-ups

  Property of Hoss020

• 29.0 Avg MPG

• Optima

  2015 Kia Optima LX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Nov 2016 • 27 Fuel-ups

  Property of emillio

• 23.8 Avg MPG

• Majesty

  2015 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed
  Added Aug 2019 • 31 Fuel-ups

  Property of mbjohnson90

• 28.3 Avg MPG

• Optima

  2015 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Feb 2018 • 188 Fuel-ups

  Property of jeppvoodoo

• 27.5 Avg MPG

• Dan's Kia

  2015 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Jun 2016 • 90 Fuel-ups

  Property of Ziffero

• 23.9 Avg MPG

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