Based on data from 47 vehicles, 3,622 fuel-ups and 1,308,397 miles of driving, the 2018 Chevrolet Suburban gets a combined Avg MPG of 16.34 with a 0.11 MPG margin of error.

Any Engine Type 5.3L V8 FLEX (38) 5.3L V8 GAS (7) 6.0L V8 FLEX (1) Any Body Style Sport Utility (13) Any Submodel HD (1) LS (5) Premier (16) LT (25)

Below you can see a distribution of the fuel-ups with 219 outliers (5.70%) removed.

Following shows the average MPG of each of the 47 vehicles in the system.

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• 01 Chevrolet Suburban

  2018 Chevrolet Suburban Premier 5.3L V8 GAS Automatic 6 Speed Sport Utility
  Added Oct 2020 • 175 Fuel-ups

  Property of slupie

• 15.8 Avg MPG

• My Suburban

  2018 Chevrolet Suburban HD 6.0L V8 FLEX
  Added Jan 2020 • 169 Fuel-ups

  Property of cathythelarsen

• 16.3 Avg MPG

• 2018 Suburban

  2018 Chevrolet Suburban LT 5.3L V8 GAS Automatic 6 Speed
  Added Aug 2021 • 165 Fuel-ups

  Property of richfam1414

• 17.7 Avg MPG

• 2018 Suburban

  2018 Chevrolet Suburban LT 5.3L V8 FLEX Automatic 6 Speed
  Added Oct 2019 • 206 Fuel-ups

  Property of robbobster

• 15.0 Avg MPG

• My Suburban

  2018 Chevrolet Suburban Premier 5.3L V8 FLEX Automatic 6 Speed
  Added Feb 2019 • 292 Fuel-ups

  Property of HI-Birdie

• 17.0 Avg MPG

• My Suburban

  2018 Chevrolet Suburban Premier 5.3L V8 FLEX Automatic 6 Speed
  Added Dec 2023 • 9 Fuel-ups

  Property of keithsanders

• 18.0 Avg MPG

• Judge

  2018 Chevrolet Suburban LT 5.3L V8 FLEX Automatic 6 Speed
  Added Mar 2017 • 327 Fuel-ups

  Property of emgarciajr

• 13.4 Avg MPG

• Vervan Suburban

  2018 Chevrolet Suburban Premier 5.3L V8 GAS Automatic 6 Speed
  Added Nov 2023 • 22 Fuel-ups

  Property of JasonKehrer

• 13.6 Avg MPG

• My Suburban

  2018 Chevrolet Suburban LT 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2022 • 65 Fuel-ups

  Property of CFCH11042017

• 18.2 Avg MPG

• Chevy Suburban

  2018 Chevrolet Suburban Premier 5.3L V8 GAS Automatic 6 Speed
  Added Nov 2022 • 15 Fuel-ups

  Property of natkingswole

• 12.3 Avg MPG

• My Suburban

  2018 Chevrolet Suburban LT 5.3L V8 FLEX Automatic 6 Speed
  Added Nov 2019 • 190 Fuel-ups

  Property of steelg8r

• 17.4 Avg MPG

• 18 Suburban

  2018 Chevrolet Suburban Premier 5.3L V8 FLEX Automatic 6 Speed
  Added Mar 2018 • 156 Fuel-ups

  Property of JRGuinn

• 14.0 Avg MPG

• Suburban

  2018 Chevrolet Suburban LT 5.3L V8 GAS Automatic 6 Speed
  Added Mar 2023 • 30 Fuel-ups

  Property of jonmarclyttle

• 17.2 Avg MPG

• My Suburban (08/26/2023)

  2018 Chevrolet Suburban LT 5.3L V8 GAS Automatic 6 Speed
  Added Aug 2023 • 24 Fuel-ups

  Property of JBP1929

• 19.0 Avg MPG

• Chevy Suburban

  2018 Chevrolet Suburban Premier 5.3L V8 FLEX Automatic 6 Speed
  Added Dec 2021 • 30 Fuel-ups

  Property of kwaller

• 17.4 Avg MPG

• Suburban

  2018 Chevrolet Suburban LT 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2018 • 47 Fuel-ups

  Property of MattP-M

• 14.0 Avg MPG

• My Suburban

  2018 Chevrolet Suburban Premier 5.3L V8 FLEX Automatic 6 Speed
  Added Mar 2019 • 167 Fuel-ups

  Property of JonShanny

• 15.1 Avg MPG

• 2018 Suburban

  2018 Chevrolet Suburban LT
  Added May 2022 • 84 Fuel-ups

  Property of Mitchellcr

• 13.5 Avg MPG

• Suburban

  2018 Chevrolet Suburban LS 5.3L V8 FLEX Automatic 6 Speed Sport Utility
  Added Oct 2023 • 22 Fuel-ups

  Property of hendcarw

• 20.4 Avg MPG

• ‘18 Suburban LT

  2018 Chevrolet Suburban LT 5.3L V8 FLEX Automatic 6 Speed
  Added Nov 2018 • 193 Fuel-ups

  Property of Full-Throttle

• 15.0 Avg MPG

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