Based on data from 30 vehicles, 1,985 fuel-ups and 645,594 miles of driving, the 2021 Chevrolet Suburban gets a combined Avg MPG of 17.08 with a 0.21 MPG margin of error.

Any Engine Type 3.0L L6 DIESEL (8) 5.3L V8 GAS (16) 6.2L V8 GAS (5) Any Body Style Sport Utility (5) Any Submodel Commercial (1) LS (2) RST (4) LT (5) Z71 (5) Premier (6) High Country (7)

Below you can see a distribution of the fuel-ups with 50 outliers (2.46%) removed.

Following shows the average MPG of each of the 30 vehicles in the system.

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• My Suburban

  2021 Chevrolet Suburban Premier 5.3L V8 GAS Automatic 10 Speed
  Added Jul 2024 • 53 Fuel-ups

  Property of Reaper1

• 17.6 Avg MPG

• My Suburban

  2021 Chevrolet Suburban Z71 5.3L V8 GAS Automatic 10 Speed
  Added Sep 2021 • 186 Fuel-ups

  Property of etcmptn

• 13.6 Avg MPG

• 2022 Chevy Suburban

  2021 Chevrolet Suburban High Country 3.0L L6 DIESEL Automatic 10 Speed Sport Utility
  Added Mar 2022 • 55 Fuel-ups

  Property of fireman591

• 24.7 Avg MPG

• Baby Hippie Hauler

  2021 Chevrolet Suburban LT 3.0L L6 DIESEL Automatic 10 Speed
  Added Nov 2024 • 20 Fuel-ups

  Property of AxlBugattiLotus

• 19.1 Avg MPG

• My Suburban

  2021 Chevrolet Suburban LT 3.0L L6 DIESEL Automatic 10 Speed
  Added Aug 2021 • 420 Fuel-ups

  Property of brad8822

• 23.2 Avg MPG

• My Suburban

  2021 Chevrolet Suburban Premier 5.3L V8 GAS Automatic 10 Speed
  Added Mar 2021 • 192 Fuel-ups

  Property of coffeeman1986

• 18.1 Avg MPG

• Big Deez

  2021 Chevrolet Suburban RST 3.0L L6 DIESEL Automatic 10 Speed
  Added Jan 2025 • 6 Fuel-ups

  Property of up_nort

• 23.7 Avg MPG

• My Suburban

  2021 Chevrolet Suburban RST 5.3L V8 GAS Automatic 10 Speed
  Added Jul 2021 • 153 Fuel-ups

  Property of cquigg

• 15.3 Avg MPG

• Suburban

  2021 Chevrolet Suburban Premier 5.3L V8 GAS Automatic 10 Speed
  Added Oct 2020 • 293 Fuel-ups

  Property of SaveDaFuel

• 18.1 Avg MPG

• My Suburban

  2021 Chevrolet Suburban LT 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2024 • 30 Fuel-ups

  Property of rcvandal

• 17.3 Avg MPG

• Vanna

  2021 Chevrolet Suburban High Country 6.2L V8 GAS Automatic 10 Speed
  Added Apr 2022 • 133 Fuel-ups

  Property of peterlyons79

• 16.6 Avg MPG

• My Suburban

  2021 Chevrolet Suburban Commercial 5.3L V8 GAS Automatic 10 Speed
  Added Jun 2023 • 106 Fuel-ups

  Property of kennyr

• 13.7 Avg MPG

• My Suburban

  2021 Chevrolet Suburban Premier 5.3L V8 GAS Automatic 10 Speed
  Added Jul 2021 • 175 Fuel-ups

  Property of Chisos1

• 18.6 Avg MPG

• Strawberry

  2021 Chevrolet Suburban LS 3.0L L6 DIESEL Automatic 10 Speed
  Added Jun 2021 • 48 Fuel-ups

  Property of LostOne

• 23.7 Avg MPG

• My Suburban

  2021 Chevrolet Suburban High Country 3.0L L6 DIESEL Automatic 10 Speed
  Added Jan 2024 • 23 Fuel-ups

  Property of RyanLynch

• 21.8 Avg MPG

• My Suburban

  2021 Chevrolet Suburban Z71 5.3L V8 GAS Automatic 10 Speed
  Added Jul 2024 • 37 Fuel-ups

  Property of adeighan

• 15.7 Avg MPG

• Suburban 2021

  2021 Chevrolet Suburban High Country 6.2L V8 GAS Automatic 10 Speed
  Added Jan 2022 • 24 Fuel-ups

  Property of TomRVA

• 18.0 Avg MPG

• Xena

  2021 Chevrolet Suburban Z71 5.3L V8 GAS Automatic 10 Speed
  Added Dec 2021 • 118 Fuel-ups

  Property of SlvrECObullet

• 14.4 Avg MPG

• 2021 Suburban

  2021 Chevrolet Suburban LT 3.0L L6 DIESEL Automatic 10 Speed
  Added Jul 2021 • 146 Fuel-ups

  Property of meiserdh

• 24.5 Avg MPG

• My Suburban

  2021 Chevrolet Suburban RST 5.3L V8 GAS Automatic 10 Speed
  Added May 2024 • 6 Fuel-ups

  Property of jarnold21

• 18.5 Avg MPG

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