Based on data from 129 vehicles, 5,412 fuel-ups and 1,428,019 miles of driving, the 1999 Chevrolet Silverado 1500 gets a combined Avg MPG of 14.24 with a 0.08 MPG margin of error.

Any Engine Type 4.3L V6 GAS (11) 4.8L V8 GAS (21) 5.3L V8 GAS (68) V6 GAS (4) V8 GAS (19) Any Body Style Standard Cab Pickup (5) Extended Cab Pickup (29) Any Submodel Base (19) LT (29) LS (57) Other (24)

Below you can see a distribution of the fuel-ups with 196 outliers (3.50%) removed.

Following shows the average MPG of each of the 129 vehicles in the system.

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• Silverado

  1999 Chevrolet Silverado 1500 LT 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Nov 2022 • 82 Fuel-ups

  Property of Jeffie

• 15.1 Avg MPG

• Silverado

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Nov 2020 • 38 Fuel-ups

  Property of robnew36

• 17.8 Avg MPG

• Silverado 1500

  1999 Chevrolet Silverado 1500 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Feb 2024 • 99 Fuel-ups

  Property of sleestack

• 13.5 Avg MPG

• My Silverado 1500

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jul 2024 • 27 Fuel-ups

  Property of CarterWorden

• 12.6 Avg MPG

• My Silverado 1500

  1999 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Feb 2025 • 5 Fuel-ups

  Property of jcool

• 13.3 Avg MPG

• My Silverado 1500

  1999 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Jun 2024 • 38 Fuel-ups

  Property of Jackal8787

• 16.5 Avg MPG

• Silverado

  1999 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added May 2024 • 155 Fuel-ups

  Property of StingrayZ

• 14.3 Avg MPG

• Silverado

  1999 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2023 • 33 Fuel-ups

  Property of iRodent

• 14.9 Avg MPG

• Z71 Scott

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added May 2017 • 265 Fuel-ups

  Property of wsw02004

• 14.2 Avg MPG

• Silverado 1500

  1999 Chevrolet Silverado 1500 4.3L V6 GAS Automatic 4 Speed
  Added Dec 2017 • 150 Fuel-ups

  Property of jamed

• 14.9 Avg MPG

• Truck

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic Extended Cab Pickup
  Added Apr 2022 • 192 Fuel-ups

  Property of chascojm

• 12.5 Avg MPG

• Chevrolet Shortbox

  1999 Chevrolet Silverado 1500 4.3L V6 GAS Manual 5 Speed Standard Cab Pickup
  Added Oct 2021 • 64 Fuel-ups

  Property of OwenG

• 12.3 Avg MPG

• My Silverado 1500

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2021 • 72 Fuel-ups

  Property of ZachR91

• 12.8 Avg MPG

• Chevy

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added May 2018 • 371 Fuel-ups

  Property of pantegra

• 16.4 Avg MPG

• 99 Chevy 1500

  1999 Chevrolet Silverado 1500 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2019 • 27 Fuel-ups

  Property of Akkid

• 17.5 Avg MPG

• Silver

  1999 Chevrolet Silverado 1500 5.3L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added May 2021 • 47 Fuel-ups

  Property of fernydx

• 11.9 Avg MPG

• My Truck

  1999 Chevrolet Silverado 1500 4.3L V6 GAS Automatic 4 Speed
  Added Jun 2024 • 15 Fuel-ups

  Property of jcoley54

• 18.8 Avg MPG

• Chevy

  1999 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2023 • 14 Fuel-ups

  Property of subfreak

• 14.2 Avg MPG

• Silverado

  1999 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2018 • 221 Fuel-ups

  Property of b49erballer

• 13.0 Avg MPG

• Silverado

  1999 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Nov 2016 • 56 Fuel-ups

  Property of Brackon

• 11.3 Avg MPG

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