Based on data from 126 vehicles, 5,200 fuel-ups and 1,373,942 miles of driving, the 1999 Chevrolet Silverado 1500 gets a combined Avg MPG of 14.25 with a 0.08 MPG margin of error.

Any Engine Type 4.3L V6 GAS (10) 4.8L V8 GAS (20) 5.3L V8 GAS (67) V6 GAS (4) V8 GAS (19) Any Body Style Standard Cab Pickup (5) Extended Cab Pickup (29) Any Submodel Base (18) LT (28) LS (56) Other (24)

Below you can see a distribution of the fuel-ups with 185 outliers (3.44%) removed.

Following shows the average MPG of each of the 126 vehicles in the system.

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• Silverado

  1999 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2018 • 219 Fuel-ups

  Property of b49erballer

• 13.0 Avg MPG

• My Silverado 1500

  1999 Chevrolet Silverado 1500 LT 4.8L V8 GAS Automatic 4 Speed
  Added Mar 2024 • 10 Fuel-ups

  Property of Rangerric14

• 14.7 Avg MPG

• Silverado

  1999 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2019 • 21 Fuel-ups

  Property of UpToTheSailboat

• 17.6 Avg MPG

• Silverado

  1999 Chevrolet Silverado 1500 4.8L V8 GAS Automatic Extended Cab Pickup
  Added Mar 2020 • 5 Fuel-ups

  Property of morley

• 11.8 Avg MPG

• Z71 Scott

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added May 2017 • 256 Fuel-ups

  Property of wsw02004

• 14.3 Avg MPG

• Skippy2

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Dec 2018 • 118 Fuel-ups

  Property of 2005redlly

• 14.6 Avg MPG

• 5.3 LM7 Silverado ‘99 no towing

  1999 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Feb 2021 • 133 Fuel-ups

  Property of Chev_OHV

• 18.0 Avg MPG

• My Silverado 1500

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2022 • 193 Fuel-ups

  Property of Wyattp555

• 13.2 Avg MPG

• My Silverado 1500

  1999 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Oct 2023 • 9 Fuel-ups

  Property of rxcruz99

• 12.7 Avg MPG

• Silverado

  1999 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Nov 2016 • 55 Fuel-ups

  Property of Brackon

• 11.3 Avg MPG

• Simone

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2018 • 32 Fuel-ups

  Property of BorgesBuilt

• 14.3 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

• 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

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