Based on data from 120 vehicles, 4,419 fuel-ups and 1,176,628 miles of driving, the 1999 Chevrolet Silverado 1500 gets a combined Avg MPG of 14.28 with a 0.08 MPG margin of error.

Any Engine Type 4.3L V6 GAS (11) 4.8L V8 GAS (16) 5.3L V8 GAS (63) V6 GAS (4) V8 GAS (20) Any Body Style Standard Cab Pickup (5) Extended Cab Pickup (26) Any Submodel Base (18) LT (24) LS (53) Other (25)

Below you can see a distribution of the fuel-ups with 170 outliers (3.70%) removed.

Following shows the average MPG of each of the 120 vehicles in the system.

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• Chevrolet Shortbox

  1999 Chevrolet Silverado 1500 4.3L V6 GAS Manual 5 Speed Standard Cab Pickup
  Added Oct 2021 • 34 Fuel-ups

  Property of OwenG

• 12.1 Avg MPG

• Truck

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic Extended Cab Pickup
  Added Apr 2022 • 136 Fuel-ups

  Property of chascojm

• 12.3 Avg MPG

• Silverado

  1999 Chevrolet Silverado 1500 LT 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Nov 2022 • 12 Fuel-ups

  Property of Jeffie

• 14.9 Avg MPG

• My Silverado 1500

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2022 • 73 Fuel-ups

  Property of Wyattp555

• 15.1 Avg MPG

• My Silverado 1500

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2021 • 37 Fuel-ups

  Property of ZachR91

• 12.5 Avg MPG

• Chevy

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added May 2018 • 231 Fuel-ups

  Property of pantegra

• 16.2 Avg MPG

• Z71 Scott

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added May 2017 • 216 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 • 88 Fuel-ups

  Property of jamed

• 14.9 Avg MPG

• My Silverado 1500

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2019 • 254 Fuel-ups

  Property of dawson989

• 11.0 Avg MPG

• Silverado 1500

  1999 Chevrolet Silverado 1500 LS 4.3L V6 GAS Automatic 4 Speed
  Added Sep 2019 • 69 Fuel-ups

  Property of ScottyVB

• 12.8 Avg MPG

• 5.3 LM7 Silverado ‘99 no towing

  1999 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Feb 2021 • 67 Fuel-ups

  Property of Chev_OHV

• 18.3 Avg MPG

• Skippy2

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Dec 2018 • 107 Fuel-ups

  Property of 2005redlly

• 14.5 Avg MPG

• Silver

  1999 Chevrolet Silverado 1500 5.3L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added May 2021 • 7 Fuel-ups

  Property of fernydx

• 9.7 Avg MPG

• Silverado

  1999 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Apr 2021 • 116 Fuel-ups

  Property of StingrayZ

• 14.0 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 LT 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2018 • 207 Fuel-ups

  Property of b49erballer

• 13.0 Avg MPG

• Silverado

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jan 2023 • 6 Fuel-ups

  Property of wearellnuts

• 17.0 Avg MPG

• Simone

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2018 • 25 Fuel-ups

  Property of BorgesBuilt

• 14.2 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

• Dad’s Silverado 1500

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2022 • 15 Fuel-ups

  Property of mdpierce8

• 15.7 Avg MPG

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