Based on data from 228 vehicles, 17,551 fuel-ups and 6,428,874 miles of driving, the 2012 Kia Optima gets a combined Avg MPG of 25.36 with a 0.09 MPG margin of error.

Any Engine Type 2.0L L4 GAS (47) 2.4L L4 ELECTRIC/GAS (33) 2.4L L4 FULL HYBRID EV-GAS (FHEV) (2) 2.4L L4 GAS (46) GAS (7) L4 ELECTRIC/GAS (27) L4 GAS (49) Any Body Style Sedan (54) Any Submodel LX (14) SX (35) Hybrid (35) EX (49) Other (95)

Below you can see a distribution of the fuel-ups with 647 outliers (3.56%) removed.

Following shows the average MPG of each of the 228 vehicles in the system.

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• My Kia Optima

  2012 Kia Optima EX 2.0L L4 GAS Automatic 6 Speed
  Added Aug 2025 • 20 Fuel-ups

  Property of umang2302

• 21.6 Avg MPG

• 2012 Kia Optima

  2012 Kia Optima LX 2.4L L4 GAS Automatic 6 Speed
  Added Mar 2018 • 91 Fuel-ups

  Property of jkongthong

• 14.1 Avg MPG

• Optima

  2012 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed
  Added Sep 2016 • 550 Fuel-ups

  Property of tnixon

• 26.2 Avg MPG

• My Optima

  2012 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed
  Added May 2023 • 81 Fuel-ups

  Property of harsha3003

• 24.7 Avg MPG

• Marric Johnson

  2012 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed
  Added Aug 2016 • 445 Fuel-ups

  Property of mobileGtr

• 24.2 Avg MPG

• Optima

  2012 Kia Optima Hybrid 2.4L L4 ELECTRIC/GAS Automatic 6 Speed Sedan
  Added Jun 2018 • 179 Fuel-ups

  Property of canadaman1966

• 28.1 Avg MPG

• My Optima

  2012 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed
  Added Jul 2022 • 181 Fuel-ups

  Property of tjdegrood

• 28.1 Avg MPG

• Optima

  2012 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Sep 2017 • 93 Fuel-ups

  Property of Medic13

• 27.4 Avg MPG

• Dirty Bab

  2012 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added May 2018 • 345 Fuel-ups

  Property of Will-Mun

• 22.7 Avg MPG

• Optima

  2012 Kia Optima SX 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Jul 2018 • 265 Fuel-ups

  Property of njperry

• 20.3 Avg MPG

• 2012 Kia Optima SX

  2012 Kia Optima SX 2.0L L4 GAS Automatic 6 Speed
  Added Jan 2018 • 155 Fuel-ups

  Property of zk2012

• 22.8 Avg MPG

• My Optima

  2012 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed
  Added Jun 2025 • 5 Fuel-ups

  Property of chikna

• 22.7 Avg MPG

• Optima

  2012 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Feb 2018 • 3 Fuel-ups

  Property of jzuech77

• 22.5 Avg MPG

• Joe - Optima

  2012 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Apr 2018 • 303 Fuel-ups

  Property of GrumpyJoe

• 19.0 Avg MPG

• My Optima

  2012 Kia Optima Hybrid 2.4L L4 ELECTRIC/GAS Automatic 6 Speed
  Added Sep 2019 • 30 Fuel-ups

  Property of KidKobe210

• 31.0 Avg MPG

• Kia Optima

  2012 Kia Optima Hybrid 2.4L L4 FULL HYBRID EV-GAS (FHEV) Automatic 6 Speed Sedan
  Added Sep 2023 • 22 Fuel-ups

  Property of Guzman01

• 31.3 Avg MPG

• Kiara

  2012 Kia Optima SX 2.0L L4 GAS Automatic 6 Speed
  Added May 2012 • 423 Fuel-ups

  Property of chaphil3

• 25.4 Avg MPG

• Optima

  2012 Kia Optima Hybrid 2.4L L4 FULL HYBRID EV-GAS (FHEV) Automatic 6 Speed
  Added Nov 2013 • 171 Fuel-ups

  Property of darkangel

• 31.1 Avg MPG

• 2012 Kia Optima MT

  2012 Kia Optima EX
  Added Oct 2016 • 667 Fuel-ups

  Property of iKanawati

• 21.4 Avg MPG

• Optima

  2012 Kia Optima Hybrid 2.4L L4 ELECTRIC/GAS Automatic 6 Speed
  Added Nov 2018 • 453 Fuel-ups

  Property of moshpitbull

• 37.3 Avg MPG

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