Based on data from 227 vehicles, 17,381 fuel-ups and 6,377,270 miles of driving, the 2012 Kia Optima gets a combined Avg MPG of 25.40 with a 0.09 MPG margin of error.

Any Engine Type 2.0L L4 GAS (46) 2.4L L4 ELECTRIC/GAS (34) 2.4L L4 FULL HYBRID EV-GAS (FHEV) (2) 2.4L L4 GAS (45) GAS (7) L4 ELECTRIC/GAS (27) L4 GAS (49) Any Body Style Sedan (54) Any Submodel LX (14) SX (35) Hybrid (36) EX (47) Other (95)

Below you can see a distribution of the fuel-ups with 649 outliers (3.60%) removed.

Following shows the average MPG of each of the 227 vehicles in the system.

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• Kia

  2012 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Sep 2023 • 4 Fuel-ups

  Property of ZDog377

• 26.4 Avg MPG

• Kia Optima K5

  2012 Kia Optima SX 2.0L L4 GAS Automatic 6 Speed
  Added Sep 2016 • 337 Fuel-ups

  Property of ernietke

• 22.5 Avg MPG

• My Optima

  2012 Kia Optima SX 2.0L L4 GAS Automatic 6 Speed
  Added Mar 2018 • 208 Fuel-ups

  Property of johndiggle89

• 18.7 Avg MPG

• My Optima

  2012 Kia Optima SX 2.0L L4 GAS Automatic 6 Speed
  Added Mar 2018 • 87 Fuel-ups

  Property of mgbrinkley

• 9.9 Avg MPG

• Kia Optima

  2012 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed
  Added Jan 2018 • 190 Fuel-ups

  Property of fdx

• 25.0 Avg MPG

• Optima

  2012 Kia Optima EX Automatic 6 Sedan (4 Door)
  Added Nov 2011 • 175 Fuel-ups

  Property of tivoscool

• 22.1 Avg MPG

• Kia Optima with new engine

  2012 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Feb 2013 • 236 Fuel-ups

  Property of jca93

• 27.2 Avg MPG

• KiaBeloved

  2012 Kia Optima Hybrid 2.4L L4 ELECTRIC/GAS Automatic 6 Speed Sedan
  Added Dec 2014 • 98 Fuel-ups

  Property of SamSonite

• 34.7 Avg MPG

• optima

  2012 Kia Optima Hybrid 2.4L L4 ELECTRIC/GAS Automatic 6 Speed Sedan
  Added May 2015 • 85 Fuel-ups

  Property of elbrujo58

• 28.7 Avg MPG

• Optima

  2012 Kia Optima SX 2.0L L4 GAS Automatic 6 Speed
  Added Sep 2016 • 618 Fuel-ups

  Property of aorozco713

• 24.6 Avg MPG

• Kia Optima

  2012 Kia Optima Diesel
  Added Mar 2023 • 84 Fuel-ups

  Property of prag

• 45.5 Avg MPG

• Optima EX GDI

  2012 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed
  Added Aug 2016 • 11 Fuel-ups

  Property of thethack

• 82.0 Avg MPG

• Kia Optima Sx gdi turbo

  2012 Kia Optima SX 2.0L L4 GAS Automatic 6 Speed
  Added Aug 2016 • 300 Fuel-ups

  Property of DON9966

• 25.1 Avg MPG

• Kia

  2012 Kia Optima EX 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Dec 2017 • 128 Fuel-ups

  Property of FlyingAce

• 25.7 Avg MPG

• Sophia

  2012 Kia Optima SX 2.0L L4 GAS Automatic 6 Speed
  Added Mar 2017 • 116 Fuel-ups

  Property of JohnnyB912

• 22.2 Avg MPG

• Kia Optima

  2012 Kia Optima SX 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Sep 2017 • 217 Fuel-ups

  Property of twig202

• 26.3 Avg MPG

• My K5

  2012 Kia Optima LX 2.4L L4 GAS Automatic 6 Speed
  Added Dec 2019 • 30 Fuel-ups

  Property of rtoney

• 25.0 Avg MPG

• Kia Optima Hybrid

  2012 Kia Optima Hybrid 2.4L L4 ELECTRIC/GAS Automatic 6 Speed Sedan
  Added Sep 2019 • 70 Fuel-ups

  Property of mabishek

• 33.0 Avg MPG

• Kia Optima

  2012 Kia Optima LX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Feb 2019 • 52 Fuel-ups

  Property of moedink

• 30.2 Avg MPG

• My Optima

  2012 Kia Optima EX 2.0L L4 GAS Automatic 6 Speed
  Added Mar 2018 • 22 Fuel-ups

  Property of kathyannr

• 21.6 Avg MPG

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