Based on data from 140 vehicles, 8,492 fuel-ups and 3,746,014 miles of driving, the 2018 Hyundai Ioniq gets a combined Avg MPG of 49.26 with a 0.19 MPG margin of error.

Any Engine Type 1.6L L4 ELECTRIC/GAS (44) 1.6L L4 FULL HYBRID EV-GAS (FHEV) (9) 1.6L L4 PLUG-IN HYBRID EV-GAS (PHEV) (2) ELECTRIC/GAS (7) GAS (2) H2 ELECTRIC (1) H4 ELECTRIC/GAS (2) H4 GAS (3) L4 ELECTRIC/GAS (5) L4 GAS (5) V4 ELECTRIC/GAS (1) Any Body Style Sedan (9) Hatchback (57) Coupe (1) Fastback (4) Any Submodel HEV Plus (1) SE (2) Electric (2) Electric Plus SE (2) Hybrid SE (3) Plug-In Hybrid (3) Electric Plus Limited (3) Plug-In Hybrid Limited (4) Limited (5) Hybrid Blue (8) Hybrid Premium SE (8) Base (9) Hybrid Limited (11) Blue (13) PHEV (16) Hybrid SEL (18) HEV (29) Other (3)

Below you can see a distribution of the fuel-ups with 983 outliers (10.37%) removed.

Following shows the average MPG of each of the 140 vehicles in the system.

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• Ioniq

  2018 Hyundai Ioniq SEL L4 GAS
  Added Feb 2018 • 245 Fuel-ups

  Property of LowDiesel

• 54.1 Avg MPG

• Ioniq

  2018 Hyundai Ioniq HEV Automatic 6 Speed Hatchback
  Added Jan 2018 • 60 Fuel-ups

  Property of DaddyLouLou

• 53.8 Avg MPG

• Derek Burns

  2018 Hyundai Ioniq HEV Automatic Fastback
  Added Apr 2018 • 62 Fuel-ups

  Property of Sorcie

• 47.1 Avg MPG

• Jedi

  2018 Hyundai Ioniq Hybrid Blue 1.6L L4 ELECTRIC/GAS Automatic Dual Clutch 6 Speed
  Added Sep 2021 • 4 Fuel-ups

  Property of Keifbry

• 47.9 Avg MPG

• Luna

  2018 Hyundai Ioniq Limited
  Added Feb 2018 • 119 Fuel-ups

  Property of zostix

• 46.4 Avg MPG

• Ioniq

  2018 Hyundai Ioniq HEV Automatic 6 Speed Hatchback
  Added Apr 2018 • 65 Fuel-ups

  Property of tigrpal

• 53.9 Avg MPG

• Hyundai Ioniq

  2018 Hyundai Ioniq Automatic 6 Speed Sedan
  Added Aug 2019 • 38 Fuel-ups

  Property of Usagihaas

• 52.0 Avg MPG

• Traveler

  2018 Hyundai Ioniq Hybrid Limited 1.6L L4 ELECTRIC/GAS Automatic Dual Clutch 6 Speed Hatchback
  Added Feb 2019 • 25 Fuel-ups

  Property of NemoNoOne

• 53.7 Avg MPG

• 2018 IONIQ Hybrid

  2018 Hyundai Ioniq Hybrid Limited 1.6L L4 ELECTRIC/GAS Automatic Dual Clutch 6 Speed
  Added Sep 2018 • 83 Fuel-ups

  Property of Jake52

• 50.6 Avg MPG

• Ioniq Blue

  2018 Hyundai Ioniq Blue ELECTRIC/GAS
  Added Feb 2021 • 8 Fuel-ups

  Property of LAtoSB

• 54.1 Avg MPG

• Ioniq

  2018 Hyundai Ioniq Hybrid SEL 1.6L L4 ELECTRIC/GAS Automatic Dual Clutch 6 Speed Hatchback
  Added May 2021 • 4 Fuel-ups

  Property of Juan_del_Pueblo

• 71.4 Avg MPG

• Ioniq

  2018 Hyundai Ioniq Blue Automatic Dual Clutch 6 Speed Hatchback
  Added Jul 2018 • 131 Fuel-ups

  Property of Acmech92

• 51.7 Avg MPG

• My Ioniq

  2018 Hyundai Ioniq Hybrid Limited 1.6L L4 ELECTRIC/GAS Automatic Dual Clutch 6 Speed
  Added Mar 2021 • 13 Fuel-ups

  Property of d1a1k1975

• 49.4 Avg MPG

• IO

  2018 Hyundai Ioniq Hybrid Premium SE Automatic Dual Clutch 6 Speed Hatchback
  Added Aug 2018 • 52 Fuel-ups

  Property of Britman

• 43.0 Avg MPG

• 18 Ioniq

  2018 Hyundai Ioniq Hybrid SEL 1.6L L4 ELECTRIC/GAS Automatic Dual Clutch 6 Speed
  Added Nov 2019 • 96 Fuel-ups

  Property of jasonb76

• 42.5 Avg MPG

• My Ioniq

  2018 Hyundai Ioniq Hybrid SEL 1.6L L4 ELECTRIC/GAS Automatic Dual Clutch 6 Speed
  Added Apr 2019 • 56 Fuel-ups

  Property of Aeriq

• 54.7 Avg MPG

• My Ioniq

  2018 Hyundai Ioniq HEV
  Added Jul 2018 • 46 Fuel-ups

  Property of surf_n_sail

• 50.3 Avg MPG

• My Ioniq

  2018 Hyundai Ioniq Hybrid Blue 1.6L L4 ELECTRIC/GAS Automatic Dual Clutch 6 Speed
  Added Aug 2018 • 102 Fuel-ups

  Property of btbejerano

• 60.0 Avg MPG

• Iksu

  2018 Hyundai Ioniq PHEV Automatic Dual Clutch 6 Speed Fastback
  Added Jul 2018 • 32 Fuel-ups

  Property of sami406

• 111.7 Avg MPG

• My Ioniq

  2018 Hyundai Ioniq PHEV
  Added May 2018 • 290 Fuel-ups

  Property of hatchbox

• 52.4 Avg MPG

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