Based on data from 127 vehicles, 5,250 fuel-ups and 1,385,986 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 (11) 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 (19) LT (28) LS (56) Other (24)

Below you can see a distribution of the fuel-ups with 188 outliers (3.46%) removed.

Following shows the average MPG of each of the 127 vehicles in the system.

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• Chevy

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added May 2018 • 354 Fuel-ups

  Property of pantegra

• 16.4 Avg MPG

• My Truck

  1999 Chevrolet Silverado 1500 4.3L V6 GAS Automatic 4 Speed
  Added Jun 2024 • 9 Fuel-ups

  Property of jcoley54

• 9.8 Avg MPG

• Silver

  1999 Chevrolet Silverado 1500 5.3L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added May 2021 • 42 Fuel-ups

  Property of fernydx

• 12.1 Avg MPG

• Silverado 1500

  1999 Chevrolet Silverado 1500 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Feb 2024 • 90 Fuel-ups

  Property of sleestack

• 13.4 Avg MPG

• Silverado

  1999 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added May 2024 • 145 Fuel-ups

  Property of StingrayZ

• 14.3 Avg MPG

• My Silverado 1500

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jul 2024 • 7 Fuel-ups

  Property of CarterWorden

• 13.8 Avg MPG

• Truck

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic Extended Cab Pickup
  Added Apr 2022 • 183 Fuel-ups

  Property of chascojm

• 12.5 Avg MPG

• Silverado

  1999 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2023 • 26 Fuel-ups

  Property of iRodent

• 15.0 Avg MPG

• My Silverado 1500

  1999 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Jun 2024 • 27 Fuel-ups

  Property of Jackal8787

• 17.3 Avg MPG

• Z71 Scott

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added May 2017 • 258 Fuel-ups

  Property of wsw02004

• 14.3 Avg MPG

• Chevy

  1999 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2023 • 12 Fuel-ups

  Property of subfreak

• 14.5 Avg MPG

• Chevrolet Shortbox

  1999 Chevrolet Silverado 1500 4.3L V6 GAS Manual 5 Speed Standard Cab Pickup
  Added Oct 2021 • 61 Fuel-ups

  Property of OwenG

• 12.4 Avg MPG

• My Silverado 1500

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2021 • 66 Fuel-ups

  Property of ZachR91

• 12.8 Avg MPG

• Silverado

  1999 Chevrolet Silverado 1500 LT 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Nov 2022 • 69 Fuel-ups

  Property of Jeffie

• 14.8 Avg MPG

• Silverado 1500

  1999 Chevrolet Silverado 1500 4.3L V6 GAS Automatic 4 Speed
  Added Dec 2017 • 143 Fuel-ups

  Property of jamed

• 15.0 Avg MPG

• Marcoon Heffner

  1999 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic Extended Cab Pickup
  Added Oct 2017 • 28 Fuel-ups

  Property of gatorGates

• 14.3 Avg MPG

• 1999 Silverado 1500 LS

  1999 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Sep 2017 • 64 Fuel-ups

  Property of HoustonC

• 16.8 Avg MPG

• My Silverado 1500

  1999 Chevrolet Silverado 1500 4.3L V6 GAS Automatic 4 Speed
  Added May 2024 • 13 Fuel-ups

  Property of mars816

• 13.4 Avg MPG

• 99 Chevy 1500

  1999 Chevrolet Silverado 1500 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2019 • 23 Fuel-ups

  Property of Akkid

• 16.2 Avg MPG

• Silverado 1500

  1999 Chevrolet Silverado 1500 LS 4.3L V6 GAS Automatic 4 Speed
  Added Sep 2019 • 97 Fuel-ups

  Property of ScottyVB

• 12.5 Avg MPG

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