Based on data from 122 vehicles, 4,948 fuel-ups and 1,306,120 miles of driving, the 1999 Chevrolet Silverado 1500 gets a combined Avg MPG of 14.22 with a 0.08 MPG margin of error.

Any Engine Type 4.3L V6 GAS (10) 4.8L V8 GAS (17) 5.3L V8 GAS (66) V6 GAS (4) V8 GAS (19) Any Body Style Standard Cab Pickup (5) Extended Cab Pickup (29) Any Submodel Base (18) LT (26) LS (54) Other (24)

Below you can see a distribution of the fuel-ups with 181 outliers (3.53%) removed.

Following shows the average MPG of each of the 122 vehicles in the system.

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• Silverado

  1999 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2023 • 125 Fuel-ups

  Property of StingrayZ

• 14.0 Avg MPG

• Dad’s Silverado 1500

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2022 • 22 Fuel-ups

  Property of mdpierce8

• 17.6 Avg MPG

• Travis First Truck

  1999 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 5 Speed Standard Cab Pickup
  Added May 2020 • 17 Fuel-ups

  Property of jswbga

• 15.8 Avg MPG

• My Silverado 1500

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2019 • 268 Fuel-ups

  Property of dawson989

• 10.9 Avg MPG

• LS1

  1999 Chevrolet Silverado 1500 V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Oct 2017 • 67 Fuel-ups

  Property of ccroslin

• 13.4 Avg MPG

• Silverado

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Apr 2018 • 14 Fuel-ups

  Property of Leisure_Time_Larry

• 12.5 Avg MPG

• My Silverado 1500

  1999 Chevrolet Silverado 1500 4.3L V6 GAS Automatic 4 Speed
  Added Feb 2023 • 11 Fuel-ups

  Property of jcoley54

• 16.2 Avg MPG

• Silverado

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2022 • 98 Fuel-ups

  Property of jeffk65

• 15.5 Avg MPG

• 1999 Silverado Z71

  1999 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2017 • 112 Fuel-ups

  Property of kb1gni

• 15.3 Avg MPG

• Chevy

  1999 Chevrolet Silverado 1500
  Added Mar 2019 • 70 Fuel-ups

  Property of nothanks

• 15.8 Avg MPG

• My Silverado 1500

  1999 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2022 • 9 Fuel-ups

  Property of BigJTDI

• 13.0 Avg MPG

• My Silverado 1500

  1999 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added May 2017 • 107 Fuel-ups

  Property of lazpal

• 14.5 Avg MPG

• Silverado

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Nov 2020 • 35 Fuel-ups

  Property of robnew36

• 19.5 Avg MPG

• 1999 Silverado 1500 LS

  1999 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Sep 2017 • 61 Fuel-ups

  Property of HoustonC

• 17.0 Avg MPG

• Silverado

  1999 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2019 • 18 Fuel-ups

  Property of UpToTheSailboat

• 17.6 Avg MPG

• Silverado

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jan 2021 • 8 Fuel-ups

  Property of jwsimpson

• 14.8 Avg MPG

• My Silverado 1500

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 45 Fuel-ups

  Property of vandya

• 16.2 Avg MPG

• Marcoon Heffner

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic Extended Cab Pickup
  Added Oct 2017 • 24 Fuel-ups

  Property of gatorGates

• 14.0 Avg MPG

• My Silverado 1500

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2017 • 50 Fuel-ups

  Property of bolsen

• 14.6 Avg MPG

• My Silverado 1500

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Feb 2018 • 40 Fuel-ups

  Property of Goose625

• 13.5 Avg MPG

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