Based on data from 18 vehicles, 317 fuel-ups and 86,276 miles of driving, the 1991 Chevrolet C1500 gets a combined Avg MPG of 15.68 with a 0.47 MPG margin of error.

Any Engine Type 4.3L V6 GAS (3) 5.7L V8 GAS (6) 6.2L V8 DIESEL (1) 7.4L V8 GAS (1) V8 GAS (3) Any Body Style Standard Cab Pickup (2) Extended Cab Pickup (1) Crew Cab Pickup (1) Any Submodel Scottsdale (1) 454 SS (1) Cheyenne (2) WT (2) Silverado (10) Other (2)

Below you can see a distribution of the fuel-ups with 29 outliers (8.38%) removed.

Following shows the average MPG of each of the 18 vehicles in the system.

• 5.3L C1500

  1991 Chevrolet C1500 454 SS 7.4L V8 GAS Automatic 4 Speed
  Added Apr 2022 • 25 Fuel-ups

  Property of cpl79109

• 10.6 Avg MPG

• Chevy

  1991 Chevrolet C1500 Silverado 5.7L V8 GAS Automatic Crew Cab Pickup
  Added Oct 2016 • 64 Fuel-ups

  Property of jetdynamics

• 15.3 Avg MPG

• My C1500

  1991 Chevrolet C1500 Silverado 5.7L V8 GAS Automatic 4 Speed
  Added Dec 2021 • 14 Fuel-ups

  Property of rkthev

• 14.2 Avg MPG

• Chevy

  1991 Chevrolet C1500 Silverado 5.7L V8 GAS Standard 5 Speed
  Added Jan 2018 • 4 Fuel-ups

  Property of mylittlegtpony03

• 6.9 Avg MPG

• My C1500

  1991 Chevrolet C1500 Cheyenne 4.3L V6 GAS Manual 5 Speed
  Added Dec 2018 • 22 Fuel-ups

  Property of cpl79109

• 1.5 Avg MPG

• Blue Truck

  1991 Chevrolet C1500 Silverado
  Added Aug 2016 • 70 Fuel-ups

  Property of AlanCars1000

• 16.0 Avg MPG

• 1500

  1991 Chevrolet C1500 Silverado 5.7L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 19 Fuel-ups

  Property of crossprice

• 14.8 Avg MPG

• My C1500

  1991 Chevrolet C1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Oct 2018 • 6 Fuel-ups

  Property of kg44592

• 18.3 Avg MPG

• My C1500

  1991 Chevrolet C1500 Silverado 5.7L V8 GAS Automatic 4 Speed
  Added Jul 2018 • 9 Fuel-ups

  Property of Jakejdd

• 12.1 Avg MPG

• My C1500

  1991 Chevrolet C1500 Cheyenne 6.2L V8 DIESEL Automatic 4 Speed Standard Cab Pickup
  Added Sep 2014 • 67 Fuel-ups

  Property of LeeWatkins

• 19.0 Avg MPG

• Red

  1991 Chevrolet C1500 Silverado 5.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jun 2017 • 9 Fuel-ups

  Property of JohnRambo

• 17.5 Avg MPG

• Kelsey Jene'

  1991 Chevrolet C1500 WT V8 GAS Standard Cab Pickup
  Added May 2016 • 5 Fuel-ups

  Property of upstrucker

• 11.7 Avg MPG

• Chevy

  1991 Chevrolet C1500 Scottsdale 4,3L V6 GAS Automatic 4 Speed
  Added Sep 2015 • 43 Fuel-ups

  Property of rakupelle

• 16.7 Avg MPG

• Chevy

  1991 Chevrolet C1500 Silverado
  Added Dec 2014 • 4 Fuel-ups

  Property of Forman

• 17.8 Avg MPG

• The Beast

  1991 Chevrolet C1500 GAS V8
  Added Feb 2014 • 4 Fuel-ups

  Property of BenG1990

• 14.8 Avg MPG

• SS Truck

  1991 Chevrolet C1500 GAS V8
  Added Jun 2012 • 26 Fuel-ups

  Property of scoob8000

• 12.8 Avg MPG

• Big Blue

  1991 Chevrolet C1500 Silverado
  Added Oct 2010 • 4 Fuel-ups

  Property of bizzylizzy

• 13.6 Avg MPG

• 91 Silverado

  1991 Chevrolet C1500 Silverado
  Added Feb 2010 • 5 Fuel-ups

  Property of Duncan74

• 14.0 Avg MPG