Based on data from 66 vehicles, 5,770 fuel-ups and 2,058,398 miles of driving, the 2018 Subaru Legacy gets a combined Avg MPG of 25.89 with a 0.13 MPG margin of error.

Any Engine Type 2.5L H4 GAS (35) 3.6L H6 GAS (12) GAS (1) H4 GAS (1) L4 GAS (1) Any Body Style Sedan (21) Wagon (1) Any Submodel 2.5i Sport (2) 3.6R Touring (2) 2.5i (4) Base (6) 3.6R Limited (12) 2.5i Premium (17) 2.5i Limited (23)

Below you can see a distribution of the fuel-ups with 50 outliers (0.86%) removed.

Following shows the average MPG of each of the 66 vehicles in the system.

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• My Legacy

  2018 Subaru Legacy 2.5i Limited 2.5L H4 GAS Automatic CVT
  Added Aug 2024 • 24 Fuel-ups

  Property of kadyM

• 23.3 Avg MPG

• Subaru Legacy

  2018 Subaru Legacy 2.5i Premium 2.5L H4 GAS Automatic CVT
  Added May 2025 • 4 Fuel-ups

  Property of Kadodger

• 27.2 Avg MPG

• My Legacy

  2018 Subaru Legacy 3.6R Limited 3.6L H6 GAS Automatic CVT
  Added May 2019 • 156 Fuel-ups

  Property of CalvinGTP

• 22.0 Avg MPG

• My Legacy

  2018 Subaru Legacy 2.5i Premium 2.5L H4 GAS Automatic CVT
  Added Oct 2021 • 133 Fuel-ups

  Property of Chuckdaddy

• 27.4 Avg MPG

• Legacy

  2018 Subaru Legacy 2.5i Premium 2.5L H4 GAS Automatic CVT
  Added Dec 2018 • 234 Fuel-ups

  Property of Flash22

• 30.5 Avg MPG

• My Legacy

  2018 Subaru Legacy 3.6R Limited 3.6L H6 GAS Automatic CVT
  Added Apr 2018 • 233 Fuel-ups

  Property of ZanderY9A

• 24.1 Avg MPG

• My Legacy

  2018 Subaru Legacy 2.5i Sport 2.5L H4 GAS Automatic CVT
  Added Jan 2025 • 33 Fuel-ups

  Property of Gavin59

• 25.6 Avg MPG

• My Legacy

  2018 Subaru Legacy 3.6R Limited 3.6L H6 GAS Automatic CVT
  Added Jun 2018 • 183 Fuel-ups

  Property of Scoobaruspud

• 23.0 Avg MPG

• Legacy

  2018 Subaru Legacy 2.5i Limited 2.5L H4 GAS Automatic CVT Sedan
  Added Mar 2019 • 162 Fuel-ups

  Property of FingerstyleFunk

• 22.5 Avg MPG

• My Legacy

  2018 Subaru Legacy 2.5i Premium 2.5L H4 GAS Automatic CVT
  Added Nov 2017 • 410 Fuel-ups

  Property of jeff1016

• 26.4 Avg MPG

• 2018 Subaru

  2018 Subaru Legacy L4 GAS Automatic 5 Speed
  Added Jun 2024 • 44 Fuel-ups

  Property of DCummins

• 27.9 Avg MPG

• My Legacy

  2018 Subaru Legacy 2.5i Premium 2.5L H4 GAS Automatic CVT
  Added Mar 2018 • 171 Fuel-ups

  Property of tmmcculloch

• 24.9 Avg MPG

• SUBBY

  2018 Subaru Legacy 3.6R Touring 3.6L H6 GAS Automatic CVT Sedan
  Added Mar 2019 • 125 Fuel-ups

  Property of Rovert

• 20.2 Avg MPG

• Legacy 3.6R

  2018 Subaru Legacy 3.6R Limited
  Added Dec 2017 • 190 Fuel-ups

  Property of yankee99

• 23.8 Avg MPG

• Legacy

  2018 Subaru Legacy 2.5i Limited 2.5L H4 GAS Automatic CVT
  Added Feb 2018 • 425 Fuel-ups

  Property of gassyman

• 27.7 Avg MPG

• Legacy

  2018 Subaru Legacy 2.5i Premium 2.5L H4 GAS Automatic CVT Sedan
  Added Oct 2024 • 13 Fuel-ups

  Property of pillpusher

• 24.9 Avg MPG

• Subaru

  2018 Subaru Legacy 2.5i 2.5L H4 GAS Automatic CVT Sedan
  Added Mar 2022 • 35 Fuel-ups

  Property of VolatilePA

• 25.5 Avg MPG

• My Legacy

  2018 Subaru Legacy 2.5i Premium 2.5L H4 GAS Automatic CVT
  Added Jan 2018 • 93 Fuel-ups

  Property of nemosong

• 22.2 Avg MPG

• Subaru

  2018 Subaru Legacy 2.5i Limited 2.5L H4 GAS Automatic CVT Sedan
  Added Apr 2019 • 94 Fuel-ups

  Property of PF223

• 22.9 Avg MPG

• My Legacy

  2018 Subaru Legacy 2.5i 2.5L H4 GAS Automatic CVT
  Added Dec 2022 • 48 Fuel-ups

  Property of Levib82

• 26.9 Avg MPG

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