CoPilot AI-Assisted Car Shopping

 New Search
 Save
 Sort
 Share

Used 2018 GMC Sierra 1500 for Sale in Austin, TX

Sierra 1500s for Sale at Dealers

Filters
Price
Year
Mileage
Trim
2020 GMC Sierra 1500 SLT RWD photo
2020 GMC Sierra 1500 SLT RWD • Austin, TX
Black • 5.3L V8 Engine
$36,125 • 54.8k miles
•••

#39 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Fair Price - $794 Above Market
  • Includes $5,977 Premium Upgrades
  • CARFAX: One Owner
More details
2019 GMC Sierra 1500 AT4 4WD photo
Price Drop
2019 GMC Sierra 1500 AT4 4WD • Seguin, TX
White • 6.2L V8 Engine
$39,888 • 93.4k miles
•••

#101 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • $94 Price Drop
  • Includes $7,454 Premium Upgrades
  • Motivation to Negotiate - Very High
More details
2020 GMC Sierra 1500 AT4 4WD photo
6
Price Drop
2020 GMC Sierra 1500 AT4 4WD • Killeen, TX
Black • 6.2L V8 Engine
$34,001 • 80.4k miles
•••

#6 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $4,339 Price Drop
  • Great Price - $4,988 Below Market
  • Includes $8,299 Premium Upgrades
More details
2018 GMC Sierra 1500 SLT 4WD photo
8
2018 GMC Sierra 1500 SLT 4WD • San Antonio, TX
Black • 5.3L V8 Engine
$21,995 • 135.9k miles
•••

#8 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Great Price - $2,886 Below Market
  • Includes $4,736 Premium Upgrades
  • Dealer Rating - 4.6 stars
More details
2020 GMC Sierra 1500 Denali 4WD photo
2020 GMC Sierra 1500 Denali 4WD • San Marcos, TX
Gray • 6.2L V8 Engine
$40,474
•••
More details
2019 GMC Sierra 1500 AT4 4WD photo
17
Price Drop
2019 GMC Sierra 1500 AT4 4WD • Georgetown, TX
Blue • 6.2L V8 Engine
$29,999 • 129.9k miles
•••

#17 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $851 Price Drop
  • Good Price - $1,462 Below Market
  • Includes $6,353 Premium Upgrades
More details
2019 GMC Sierra 1500 AT4 4WD photo
4
2019 GMC Sierra 1500 AT4 4WD • San Antonio, TX
Gray • 6.2L V8 Engine
$33,860 • 100.2k miles
•••

#4 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Great Price - $6,431 Below Market
  • Includes $10,462 Premium Upgrades
  • Average Mileage
More details
2020 GMC Sierra 1500 AT4 4WD photo
2020 GMC Sierra 1500 AT4 4WD • Austin, TX
Gray • 6.2L V8 Engine
$37,206 • 97.9k miles
•••

#41 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “B” Buy

  • Fair Price - $848 Below Market
  • Includes $10,419 Premium Upgrades
  • Dealer Rating - 4.1 stars
More details
2019 GMC Sierra 1500 AT4 4WD photo
2019 GMC Sierra 1500 AT4 4WD • San Antonio, TX
White • 6.2L V8 Engine
$32,216 • 132.9k miles
•••

#94 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • Includes $4,567 Premium Upgrades
  • Dealer Rating - 4.2 stars
More details
2018 GMC Sierra 1500 SLT 4WD photo
Price Drop
2018 GMC Sierra 1500 SLT 4WD • San Antonio, TX
Silver • 5.3L V8 Engine
$21,991 • 133.8k miles
•••

#66 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “C+” Buy

  • $225 Price Drop
  • Fair Price - $182 Above Market
  • Dealer Rating - 4.0 stars
More details
2018 GMC Sierra 1500 SLT 4WD photo
2018 GMC Sierra 1500 SLT 4WD • San Antonio, TX
White • 5.3L V8 Engine
$29,995 • 100k miles
•••

#100 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • Includes $2,636 Premium Upgrades
  • Average Mileage
  • Dealer Rating - 4.9 stars
More details
2019 GMC Sierra 1500 AT4 4WD photo
11
2019 GMC Sierra 1500 AT4 4WD • Selma, TX
Gray • 6.2L V8 Engine
$35,881 • 82.9k miles
•••

#11 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Great Price - $2,429 Below Market
  • Includes $7,733 Premium Upgrades
  • CARFAX: One Owner
More details
2018 GMC Sierra 1500 SLT 4WD photo
2018 GMC Sierra 1500 SLT 4WD • San Antonio, TX
White • 5.3L V8 Engine
$28,291 • 91.8k miles
•••

#46 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “B” Buy

  • Fair Price - $430 Below Market
  • Includes $4,166 Premium Upgrades
  • Below Average Mileage
More details
2020 GMC Sierra 1500 Elevation RWD photo
Price Drop
2020 GMC Sierra 1500 Elevation RWD • Killeen, TX
Black • 2.7L I4 Engine
$21,475 • 125k miles
•••

#48 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “B” Buy

  • $250 Price Drop
  • Fair Price - $245 Below Market
  • Includes $1,547 Premium Upgrades
More details
2018 GMC Sierra 1500 SLT 4WD photo
2018 GMC Sierra 1500 SLT 4WD • Killeen, TX
Silver • 5.3L V8 Engine
$39,995 • 64.3k miles
•••

#88 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “D+” Buy

  • Includes $3,022 Premium Upgrades
  • Very Low Mileage
  • Dealer Rating - 4.6 stars
More details
2018 GMC Sierra 1500 SLT 4WD photo
Price Drop
2018 GMC Sierra 1500 SLT 4WD • Georgetown, TX
Red • 5.3L V8 Engine
$29,955 • 81.8k miles
•••

#30 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $1,174 Price Drop
  • Fair Price - $660 Below Market
  • Includes $3,402 Premium Upgrades
More details
2019 GMC Sierra 1500 SLE RWD photo
2019 GMC Sierra 1500 SLE RWD • Killeen, TX
White • 5.3L V8 Engine
$27,220 • 90.6k miles
•••

#75 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “C” Buy

  • Includes $3,898 Premium Upgrades
  • CARFAX: One Owner
  • Motivation to Negotiate - High
More details
2020 GMC Sierra 1500 SLT RWD photo
2020 GMC Sierra 1500 SLT RWD • San Antonio, TX
Gray • 3.0L I6 Engine
$37,961 • 35.6k miles
•••

#34 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Fair Price - $330 Above Market
  • Includes $6,413 Premium Upgrades
  • Very Low Mileage
More details
2019 GMC Sierra 1500 Denali 4WD photo
2
2019 GMC Sierra 1500 Denali 4WD • Selma, TX
Black • 6.2L V8 Engine
$36,570 • 104.2k miles
•••

#2 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Great Price - $6,785 Below Market
  • Includes $13,085 Premium Upgrades
  • Dealer Rating - 4.6 stars
More details
2020 GMC Sierra 1500 AT4 4WD photo
2020 GMC Sierra 1500 AT4 4WD • Waco, TX
Red • 5.3L V8 Engine
$39,527 • 69.4k miles
•••

#82 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “D+” Buy

  • Includes $5,030 Premium Upgrades
  • Below Average Mileage
  • Dealer Rating - 4.7 stars
More details
2019 GMC Sierra 1500 Denali 4WD photo
18
2019 GMC Sierra 1500 Denali 4WD • Rockdale, TX
Black • 6.2L V8 Engine
$40,981 • 47.2k miles
•••

#18 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Good Price - $1,418 Below Market
  • Includes $7,944 Premium Upgrades
  • Very Low Mileage
More details
2019 GMC Sierra 1500 Denali 4WD photo
2019 GMC Sierra 1500 Denali 4WD • San Marcos, TX
Black • 6.2L V8 Engine
$36,474 • 102.8k miles
•••

#103 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • Includes $3,091 Premium Upgrades
  • Average Mileage
  • Dealer Rating - 5.0 stars
More details
2019 GMC Sierra 1500 SLT 4WD photo
12
Price Drop
2019 GMC Sierra 1500 SLT 4WD • Austin, TX
White • 5.3L V8 Engine
$29,491 • 119.2k miles
•••

#12 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $499 Price Drop
  • Great Price - $2,007 Below Market
  • Includes $7,480 Premium Upgrades
More details
2018 GMC Sierra 1500 SLT 4WD photo
21
Price Drop
2018 GMC Sierra 1500 SLT 4WD • Boerne, TX
White • 5.3L V8 Engine
$30,781 • 70.6k miles
•••

#21 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $100 Price Drop
  • Good Price - $1,073 Below Market
  • Includes $7,189 Premium Upgrades
More details
2018 GMC Sierra 1500 Denali RWD photo
2018 GMC Sierra 1500 Denali RWD • Killeen, TX
White • 5.3L V8 Engine
$32,995 • 76.4k miles
•••

#96 2016-2020 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • Includes $942 Premium Upgrades
  • Motivation to Negotiate - Increasing
  • Very Low Mileage
More details
1-25 of 130 results
HomeGMCSierra 1500

2018 GMC Sierra 1500

Half-Ton Truck
Seats
6
Fuel Economy
18City MPG
24Hwy MPG
NHTSA Rating Summary
Copilot Rating
Dimensions
Most Popular Models like Sierra 1500
GMC Sierra 1500 near Austin, TX
Other Years
Research More Models
View more Crew Cab Pickups

© 2026 CoPilot. All Rights Reserved.