Based on data from 313 vehicles, 24,365 fuel-ups and 8,456,655 miles of driving, the 2021 Chevrolet Silverado 1500 gets a combined Avg MPG of 18.98 with a 0.08 MPG margin of error.

Any Engine Type 2.7L L4 GAS (33) 3.0L L6 DIESEL (120) 4.3L V6 GAS (5) 5.3L V8 FLEX (3) 5.3L V8 GAS (120) 6.2L V8 GAS (26) V6 GAS (1) V8 GAS (3) Any Body Style Extended Cab Pickup (5) Crew Cab Pickup (82) Cab & Chassis (1) Cab & Chassis - Crew Cab (1) Any Submodel WT (4) Custom Trail Boss (11) High Country (15) Custom (24) LTZ (36) LT Trail Boss (54) LT (68) RST (101)

Below you can see a distribution of the fuel-ups with 162 outliers (0.66%) removed.

Following shows the average MPG of each of the 313 vehicles in the system.

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• Silverado 1500

  2021 Chevrolet Silverado 1500 RST 3.0L L6 DIESEL Automatic 10 Speed
  Added Apr 2022 • 149 Fuel-ups

  Property of conkelcm

• 22.7 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 LTZ 6.2L V8 GAS Automatic 10 Speed
  Added Mar 2025 • 27 Fuel-ups

  Property of Bill-0551

• 16.3 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 LT 2.7L L4 GAS Automatic 10 Speed
  Added Sep 2021 • 357 Fuel-ups

  Property of J123456F

• 16.0 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 RST 3.0L L6 DIESEL Automatic 10 Speed
  Added Jan 2025 • 17 Fuel-ups

  Property of JoeSimmons

• 24.5 Avg MPG

• Chevy Silverado (2021)

  2021 Chevrolet Silverado 1500 LTZ 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Dec 2020 • 350 Fuel-ups

  Property of JonWind

• 16.1 Avg MPG

• 2021 Trail Boss 6.2L

  2021 Chevrolet Silverado 1500 LT Trail Boss V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added May 2021 • 364 Fuel-ups

  Property of jerreece

• 16.4 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 RST 3.0L L6 DIESEL Automatic 10 Speed
  Added Mar 2021 • 167 Fuel-ups

  Property of maouser

• 24.6 Avg MPG

• Silverado 1500

  2021 Chevrolet Silverado 1500 LT 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Nov 2021 • 378 Fuel-ups

  Property of MPA1983

• 28.6 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 Custom Trail Boss 5.3L V8 GAS Automatic 10 Speed
  Added Jul 2024 • 65 Fuel-ups

  Property of cwelshy

• 16.5 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 Custom Trail Boss 5.3L V8 FLEX Automatic 10 Speed
  Added Dec 2024 • 38 Fuel-ups

  Property of sroque

• 13.6 Avg MPG

• Silverado

  2021 Chevrolet Silverado 1500 LT 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added May 2024 • 64 Fuel-ups

  Property of eliminster

• 23.2 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 LT Trail Boss 5.3L V8 GAS Automatic 10 Speed
  Added Dec 2021 • 159 Fuel-ups

  Property of BleedBnG

• 14.4 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 Custom 4.3L V6 GAS Automatic 6 Speed
  Added May 2024 • 58 Fuel-ups

  Property of thesrband

• 16.4 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 LT Trail Boss 5.3L V8 GAS Automatic 10 Speed
  Added May 2021 • 280 Fuel-ups

  Property of mako614

• 16.9 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 LTZ 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2024 • 45 Fuel-ups

  Property of mbclark25

• 24.2 Avg MPG

• Panzer

  2021 Chevrolet Silverado 1500 Custom Trail Boss 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Jul 2022 • 85 Fuel-ups

  Property of lochness3x6

• 15.5 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 Custom 2.7L L4 GAS Automatic 8 Speed
  Added Mar 2022 • 267 Fuel-ups

  Property of 8ruc3

• 23.2 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 LT Trail Boss 5.3L V8 GAS Automatic 10 Speed
  Added May 2021 • 198 Fuel-ups

  Property of chriz1808

• 15.2 Avg MPG

• My Silverado 1500 2021

  2021 Chevrolet Silverado 1500 LT 2.7L L4 GAS Automatic 10 Speed
  Added Dec 2021 • 172 Fuel-ups

  Property of markz0119

• 16.5 Avg MPG

• 2021 Silverado 1500

  2021 Chevrolet Silverado 1500 RST 5.3L V8 GAS Automatic 10 Speed
  Added May 2024 • 28 Fuel-ups

  Property of Exploder

• 20.0 Avg MPG

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