Based on data from 51 vehicles, 4,607 fuel-ups and 1,418,970 miles of driving, the 2018 Chevrolet Tahoe gets a combined Avg MPG of 15.98 with a 0.10 MPG margin of error.

Any Engine Type 5.3L V8 FLEX (32) 5.3L V8 GAS (11) 6.2L V8 FLEX (3) 6.2L V8 GAS (2) V8 GAS (1) Any Body Style Sport Utility (9) Any Submodel PPV (1) Midnight Edition (3) SSV (4) LS (6) Premier (14) LT (22) Other (1)

Below you can see a distribution of the fuel-ups with 86 outliers (1.83%) removed.

Following shows the average MPG of each of the 51 vehicles in the system.

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• The Hoe

  2018 Chevrolet Tahoe Premier 5.3L V8 GAS Automatic 6 Speed
  Added Mar 2021 • 145 Fuel-ups

  Property of tso0013

• 15.5 Avg MPG

• Night Rider

  2018 Chevrolet Tahoe Midnight Edition 5.3L V8 GAS Automatic 6 Speed
  Added Apr 2024 • 129 Fuel-ups

  Property of BigCountry29

• 15.9 Avg MPG

• My Tahoe

  2018 Chevrolet Tahoe LT 5.3L V8 GAS Automatic 6 Speed
  Added Nov 2023 • 11 Fuel-ups

  Property of JarredAskins

• 18.4 Avg MPG

• Tahoe

  2018 Chevrolet Tahoe LT 5.3L V8 FLEX Automatic 6 Speed
  Added Nov 2021 • 103 Fuel-ups

  Property of tdipietra

• 12.8 Avg MPG

• My Tahoe

  2018 Chevrolet Tahoe LT 5.3L V8 GAS Automatic 6 Speed
  Added Feb 2021 • 227 Fuel-ups

  Property of leejohnwj

• 17.5 Avg MPG

• Tahoe

  2018 Chevrolet Tahoe LT 5.3L V8 GAS Automatic 6 Speed
  Added Jul 2025 • 32 Fuel-ups

  Property of Airtj79

• 14.9 Avg MPG

• 2018 Tahoe

  2018 Chevrolet Tahoe LS 5.3L V8 FLEX Automatic 6 Speed
  Added Jan 2020 • 251 Fuel-ups

  Property of brookshire

• 16.3 Avg MPG

• Tahoe

  2018 Chevrolet Tahoe Premier 5.3L V8 FLEX Automatic 6 Speed
  Added Nov 2023 • 180 Fuel-ups

  Property of pamante

• 14.0 Avg MPG

• My Tahoe

  2018 Chevrolet Tahoe LT 5.3L V8 GAS Automatic 6 Speed
  Added Nov 2025 • 18 Fuel-ups

  Property of Shoeyyy

• 16.0 Avg MPG

• Tahoe

  2018 Chevrolet Tahoe Premier 6.2L V8 GAS Automatic 10 Speed
  Added May 2025 • 20 Fuel-ups

  Property of Derman

• 11.9 Avg MPG

• My Tahoe

  2018 Chevrolet Tahoe LT 5.3L V8 FLEX Automatic 6 Speed
  Added Dec 2025 • 3 Fuel-ups

  Property of carguy560740

• 13.6 Avg MPG

• Tahoe

  2018 Chevrolet Tahoe LT 5.3L V8 GAS Automatic 6 Speed
  Added Dec 2024 • 32 Fuel-ups

  Property of morghane

• 14.5 Avg MPG

• Tahoe RST

  2018 Chevrolet Tahoe Premier 6.2L V8 FLEX Automatic 10 Speed Sport Utility
  Added Mar 2023 • 130 Fuel-ups

  Property of aparis99

• 16.7 Avg MPG

• Tahoe

  2018 Chevrolet Tahoe LT 5.3L V8 FLEX Automatic 6 Speed
  Added Apr 2019 • 5 Fuel-ups

  Property of dscheuer

• 19.6 Avg MPG

• The Toe

  2018 Chevrolet Tahoe SSV 5.3L V8 FLEX Automatic 6 Speed Sport Utility
  Added Apr 2025 • 24 Fuel-ups

  Property of jwalker78

• 17.3 Avg MPG

• Tahoe

  2018 Chevrolet Tahoe Premier 5.3L V8 FLEX Automatic 6 Speed
  Added Jun 2024 • 104 Fuel-ups

  Property of Stonie1

• 16.6 Avg MPG

• Chevrolet Tahoe

  2018 Chevrolet Tahoe LT 5.3L V8 FLEX Automatic 6 Speed
  Added Jul 2022 • 119 Fuel-ups

  Property of jtdietri

• 14.0 Avg MPG

• Work Tahoe AK

  2018 Chevrolet Tahoe SSV 5.3L V8 FLEX Automatic 6 Speed
  Added Mar 2022 • 131 Fuel-ups

  Property of WesD

• 11.8 Avg MPG

• Chevrolet Tahoe

  2018 Chevrolet Tahoe LT 5.3L V8 GAS Automatic 6 Speed Sport Utility
  Added Jun 2025 • 28 Fuel-ups

  Property of bruceJr

• 17.9 Avg MPG

• Hoe Po

  2018 Chevrolet Tahoe SSV 5.3L V8 FLEX Automatic 6 Speed
  Added Aug 2023 • 102 Fuel-ups

  Property of TheWheatBaron

• 18.1 Avg MPG

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