Based on data from 136 vehicles, 9,646 fuel-ups and 3,437,169 miles of driving, the 2015 Kia Optima gets a combined Avg MPG of 25.32 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 (82) DIESEL (1) Any Body Style Sedan (53) 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 (50) Other (1)

Below you can see a distribution of the fuel-ups with 621 outliers (6.05%) removed.

Following shows the average MPG of each of the 136 vehicles in the system.

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• My Optima

  2015 Kia Optima Limited 2.0L L4 GAS Automatic 6 Speed
  Added May 2016 • 7 Fuel-ups

  Property of soscandalous

• 21.6 Avg MPG

• My Optima

  2015 Kia Optima SX Turbo 2L GAS L4 Automatic 6 Sedan (4 Door)
  Added Mar 2015 • 59 Fuel-ups

  Property of cdemarco71

• 25.5 Avg MPG

• My Optima

  2015 Kia Optima 3 DIESEL Automatic Sedan
  Added Nov 2015 • 4 Fuel-ups

  Property of zorba

• 50.2 Avg MPG

• Scarlett

  2015 Kia Optima SX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Sep 2014 • 27 Fuel-ups

  Property of newordersi

• 17.4 Avg MPG

• Aphrodite

  2015 Kia Optima Hybrid EX 2.4L L4 ELECTRIC/GAS Automatic 6 Speed Sedan
  Added Aug 2015 • 22 Fuel-ups

  Property of NewfieSlayer

• 36.4 Avg MPG

• My Optima

  2015 Kia Optima LX
  Added Aug 2015 • 16 Fuel-ups

  Property of brandonfoss

• 27.6 Avg MPG

• Kia Optima

  2015 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed
  Added Jan 2018 • 117 Fuel-ups

  Property of marksl653

• 23.2 Avg MPG

• Opti-Blast!

  2015 Kia Optima SX Turbo 2.0L GAS L4 Automatic 6 Sedan (4 Door)
  Added Dec 2014 • 29 Fuel-ups

  Property of da_apoc

• 19.7 Avg MPG

• Optima

  2015 Kia Optima Hybrid EX 2.4L L4 ELECTRIC/GAS Automatic 6 Speed Sedan
  Added Jul 2015 • 8 Fuel-ups

  Property of SuperSHO

• 33.0 Avg MPG

• KIA OPTIMA

  2015 Kia Optima 3 Sedan (4 Door)
  Added Mar 2015 • 4 Fuel-ups

  Property of F82

• 30.3 Avg MPG

• KEITH'S OPTIMA

  2015 Kia Optima LX 2.4L L4 GAS Automatic 6 Sedan (4 Door)
  Added Jan 2015 • 16 Fuel-ups

  Property of keithcostantino

• 23.3 Avg MPG

• Optima

  2015 Kia Optima EX 2.4L GAS L4 Automatic 6 Sedan (4 Door)
  Added Dec 2014 • 18 Fuel-ups

  Property of td26

• 23.4 Avg MPG

• optima

  2015 Kia Optima EX 2.4L GAS L4 Automatic 6 Sedan (4 Door)
  Added Apr 2015 • 7 Fuel-ups

  Property of jeremynorie

• 29.6 Avg MPG

• My Dad's Optima

  2015 Kia Optima LX 2.4L GAS L4 Automatic 6 Sedan (4 Door)
  Added Nov 2014 • 4 Fuel-ups

  Property of CleanCut

• 16.7 Avg MPG

• Sparks

  2015 Kia Optima Hybrid EX 2.4L ELECTRIC/GAS L4 Automatic 6 Sedan (4 Door)
  Added Feb 2015 • 3 Fuel-ups

  Property of masnart

• 41.3 Avg MPG

• Honda 1

  2015 Kia Optima Hybrid LX 2.4L L4 ELECTRIC/GAS Automatic 6 Speed Sedan
  Added May 2012 • 7 Fuel-ups

  Property of mcamphr

• 43.3 Avg MPG

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