Based on data from 44 vehicles, 2,209 fuel-ups and 690,403 miles of driving, the 2018 Kia Optima gets a combined Avg MPG of 28.40 with a 0.42 MPG margin of error.

Any Engine Type 1.6L L4 GAS (1) 2.0L L4 ELECTRIC/GAS (10) 2.0L L4 GAS (5) 2.4L L4 GAS (24) DIESEL (1) L4 GAS (1) Any Body Style Sedan (22) Wagon (1) Hatchback (1) Any Submodel S (1) SX (1) Hybrid LX (1) Hybrid EX Premium (1) LX 1.6T (1) EX Pack (1) SXL Turbo (1) Plug-In Hybrid EX Premium (3) LX (4) SX Turbo (4) Plug-In Hybrid EX (5) EX (20) Other (1)

Below you can see a distribution of the fuel-ups with 209 outliers (8.64%) removed.

Following shows the average MPG of each of the 44 vehicles in the system.

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• My Optima

  2018 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed
  Added Sep 2020 • 312 Fuel-ups

  Property of Charger_ff

• 32.5 Avg MPG

• My Optima

  2018 Kia Optima SX Turbo 2.0L L4 GAS Automatic 6 Speed
  Added Jan 2023 • 20 Fuel-ups

  Property of Longdanp

• 25.7 Avg MPG

• Kia

  2018 Kia Optima LX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Dec 2019 • 104 Fuel-ups

  Property of rdurbin

• 33.3 Avg MPG

• Optima

  2018 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Jul 2021 • 51 Fuel-ups

  Property of dvandev827

• 30.6 Avg MPG

• Optima 2

  2018 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Sep 2020 • 323 Fuel-ups

  Property of t6969k

• 30.2 Avg MPG

• My Optima

  2018 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed
  Added Aug 2018 • 72 Fuel-ups

  Property of pastorjeff

• 27.8 Avg MPG

• 2018 Optima

  2018 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed
  Added Aug 2018 • 104 Fuel-ups

  Property of kvolkert

• 24.2 Avg MPG

• Burt

  2018 Kia Optima LX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Oct 2019 • 113 Fuel-ups

  Property of macvanshaw

• 27.9 Avg MPG

• Kia Optima

  2018 Kia Optima Plug-In Hybrid EX 2,0L L4 ELECTRIC/GAS Automatic 6 Speed Hatchback
  Added Oct 2018 • 132 Fuel-ups

  Property of CarlGus

• 51.6 Avg MPG

• Optima

  2018 Kia Optima Plug-In Hybrid EX Premium 2.0L L4 ELECTRIC/GAS Automatic 6 Speed Sedan
  Added Jan 2019 • 150 Fuel-ups

  Property of jzc888

• 42.9 Avg MPG

• My Optima

  2018 Kia Optima Plug-In Hybrid EX Premium 2.0L L4 ELECTRIC/GAS Automatic 6 Speed
  Added Aug 2021 • 84 Fuel-ups

  Property of Rulle

• 52.7 Avg MPG

• Ryne's Kia Optima Q

  2018 Kia Optima Hybrid EX Premium 2.0L L4 ELECTRIC/GAS Automatic 6 Speed Sedan
  Added Apr 2023 • 5 Fuel-ups

  Property of Todaone4418

• 36.4 Avg MPG

• Optima

  2018 Kia Optima SX Turbo 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Apr 2021 • 75 Fuel-ups

  Property of Dansp08

• 21.1 Avg MPG

• My Optima

  2018 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed
  Added Sep 2018 • 43 Fuel-ups

  Property of lturner744

• 26.7 Avg MPG

• 2018 Kia Optima EX Hybrid

  2018 Kia Optima Plug-In Hybrid EX 2.0L L4 ELECTRIC/GAS Automatic 6 Speed
  Added Oct 2020 • 17 Fuel-ups

  Property of pvujanov

• 64.8 Avg MPG

• Mia the Kia

  2018 Kia Optima EX Pack 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Jul 2021 • 36 Fuel-ups

  Property of audirs4

• 32.1 Avg MPG

• Snow White

  2018 Kia Optima SX
  Added Oct 2017 • 110 Fuel-ups

  Property of Stokkes

• 21.2 Avg MPG

• My Optima

  2018 Kia Optima Plug-In Hybrid EX 2.0L L4 ELECTRIC/GAS Automatic 6 Speed
  Added Oct 2018 • 42 Fuel-ups

  Property of Petteri2

• 82.3 Avg MPG

• Kia Optima

  2018 Kia Optima Plug-In Hybrid EX 2.0L L4 ELECTRIC/GAS Automatic 6 Speed
  Added Oct 2018 • 3 Fuel-ups

  Property of rlucas50

• 138.2 Avg MPG

• K5 T-GDI

  2018 Kia Optima LX 1.6T 1.6L L4 GAS Automatic Dual Clutch 7 Speed Sedan
  Added Nov 2020 • 64 Fuel-ups

  Property of TuPAk

• 24.3 Avg MPG

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