Based on data from 45 vehicles, 2,389 fuel-ups and 753,081 miles of driving, the 2018 Kia Optima gets a combined Avg MPG of 28.60 with a 0.39 MPG margin of error.

Any Engine Type 1.6L L4 GAS (1) 2.0L L4 ELECTRIC/GAS (9) 2.0L L4 GAS (5) 2.0L L4 PLUG-IN HYBRID EV-GAS (PHEV) (1) 2.4L L4 GAS (25) DIESEL (1) L4 GAS (1) Any Body Style Sedan (22) Wagon (1) Hatchback (1) Any Submodel S (1) Hybrid LX (1) Hybrid EX Premium (1) LX 1.6T (1) EX Pack (1) SXL Turbo (1) SX (2) SX Turbo (3) Plug-In Hybrid EX Premium (3) LX (4) Plug-In Hybrid EX (5) EX (21) Other (1)

Below you can see a distribution of the fuel-ups with 211 outliers (8.12%) removed.

Following shows the average MPG of each of the 45 vehicles in the system.

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• 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

• Kia Optima SW Plug-in Hybrid

  2018 Kia Optima Plug-In Hybrid EX Premium 2,0L L4 ELECTRIC/GAS Automatic 6 Speed Wagon
  Added Mar 2019 • 15 Fuel-ups

  Property of pokkus

• 119.6 Avg MPG

• Optima

  2018 Kia Optima SX Turbo 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Apr 2019 • 86 Fuel-ups

  Property of pmacklin

• 25.4 Avg MPG

• Optima (2018)

  2018 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed
  Added Jun 2018 • 69 Fuel-ups

  Property of CHAS780

• 21.0 Avg MPG

• My Optima

  2018 Kia Optima Plug-In Hybrid EX 2.0L L4 ELECTRIC/GAS Automatic 6 Speed
  Added Oct 2019 • 30 Fuel-ups

  Property of bjohn375

• 73.4 Avg MPG

• Optima

  2018 Kia Optima SXL Turbo 2.0L L4 GAS Automatic 6 Speed Sedan
  Added May 2018 • 105 Fuel-ups

  Property of scottstribling

• 21.0 Avg MPG

• Kia Optima

  2018 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed
  Added Feb 2018 • 56 Fuel-ups

  Property of mikedow

• 27.2 Avg MPG

• My Optima

  2018 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Jun 2020 • 21 Fuel-ups

  Property of barryb1991

• 24.7 Avg MPG

• Kia Optima

  2018 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed Sedan
  Added Mar 2018 • 53 Fuel-ups

  Property of bobmwsc

• 30.9 Avg MPG

• My Optima

  2018 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed
  Added Sep 2019 • 14 Fuel-ups

  Property of jdconn

• 25.7 Avg MPG

• 2018 KIA

  2018 Kia Optima S 2.4L L4 GAS Automatic 6 Speed
  Added Apr 2018 • 58 Fuel-ups

  Property of osubenner

• 28.3 Avg MPG

• kia

  2018 Kia Optima EX L4 GAS Automatic 6 Speed
  Added Sep 2017 • 8 Fuel-ups

  Property of kenman93

• 22.9 Avg MPG

• Kia Optima 3 1.7L 139 BHP CDRi ISG

  2018 Kia Optima 3 DIESEL
  Added Feb 2019 • 9 Fuel-ups

  Property of brianbridgewater

• 33.8 Avg MPG

• Optima

  2018 Kia Optima Hybrid LX 2.0L L4 ELECTRIC/GAS Automatic 6 Speed Sedan
  Added Nov 2018 • 7 Fuel-ups

  Property of tmcenti

• 35.1 Avg MPG

• Optima

  2018 Kia Optima LX 2.4L L4 GAS Automatic 6 Speed
  Added Dec 2018 • 9 Fuel-ups

  Property of VKaR

• 30.3 Avg MPG

• Optima

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

  Property of dtwine

• 26.5 Avg MPG

• Optima

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

  Property of dtwine

• 26.5 Avg MPG

• My Optima

  2018 Kia Optima EX 2.4L L4 GAS Automatic 6 Speed
  Added Jun 2018 • 31 Fuel-ups

  Property of midwest303

• 24.6 Avg MPG

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