CoPilot AI-Assisted Car Shopping

 New Search
 Save
 Sort
 Share

Used 2019 GMC Sierra 1500 for Sale in Harrisburg, PA

Sierra 1500s for Sale at Dealers

Filters
Price
Year
Mileage
Trim
2019 GMC Sierra 1500 SLT 4WD photo
Price Drop
2019 GMC Sierra 1500 SLT 4WD • Harrisburg, PA
Gray • 5.3L V8 Engine
$29,288 • 94.4k miles
•••

Not Ranked

CoPilot AI: It’s an “A+” Buy

  • $276 Price Drop
  • Great Price - $2,446 Below Market
  • Includes $4,870 Premium Upgrades
More details
2019 GMC Sierra 1500 Denali 4WD photo
Price Drop
New Find
2019 GMC Sierra 1500 Denali 4WD • Harrisburg, PA
White • 5.3L V8 Engine
$39,171 • 43.3k miles
•••

Not Ranked

CoPilot AI: It’s an “A+” Buy

  • $318 Price Drop
  • Good Price - $2,007 Below Market
  • Includes $5,087 Premium Upgrades
More details
2020 GMC Sierra 1500 Denali 4WD photo
Price Drop
2020 GMC Sierra 1500 Denali 4WD • Harrisburg, PA
White • 6.2L V8 Engine
$42,332 • 55.4k miles
•••

Not Ranked

CoPilot AI: It’s an “A+” Buy

  • $509 Price Drop
  • Good Price - $2,363 Below Market
  • Includes $9,139 Premium Upgrades
More details
2018 GMC Sierra 1500 SLT 4WD photo
New Find
2018 GMC Sierra 1500 SLT 4WD • Mechanicsburg, PA
Silver • 5.3L V8 Engine
$31,099 • 88.8k miles
•••

Not Ranked

CoPilot AI: It’s a “B” Buy

  • Includes $5,878 Premium Upgrades
  • Below Average Mileage
  • Dealer Rating - 4.7 stars
More details
2019 GMC Sierra 1500 AT4 4WD photo
2019 GMC Sierra 1500 AT4 4WD • Mechanicsburg, PA
Red • 6.2L V8 Engine
$37,299 • 81.9k miles
•••

Not Ranked

CoPilot AI: It’s a “B-” Buy

  • Includes $7,022 Premium Upgrades
  • Below Average Mileage
  • Dealer Rating - 4.7 stars
More details
2019 GMC Sierra 1500 SLT 4WD photo
New Find
2019 GMC Sierra 1500 SLT 4WD • Mechanicsburg, PA
Red • 5.3L V8 Engine
$32,482 • 83k miles
•••

Not Ranked

CoPilot AI: It’s an “A-” Buy

  • Fair Price - $116 Above Market
  • Includes $5,374 Premium Upgrades
  • CARFAX: One Owner
More details
2020 GMC Sierra 1500 Denali 4WD photo
2020 GMC Sierra 1500 Denali 4WD • Mechanicsburg, PA
Gray • 3.0L I6 Engine
$38,710 • 66.3k miles
•••

Not Ranked

CoPilot AI: It’s an “A+” Buy

  • Good Price - $1,605 Below Market
  • Includes $5,127 Premium Upgrades
  • Below Average Mileage
More details
2018 GMC Sierra 1500 Denali 4WD photo
New Find
2018 GMC Sierra 1500 Denali 4WD • Mechanicsburg, PA
Silver • 6.2L Engine
$32,254 • 100.5k miles
•••

Not Ranked

CoPilot AI: It’s a “B-” Buy

  • Includes $5,996 Premium Upgrades
  • Average Mileage
  • Dealer Rating - 4.6 stars
More details
2020 GMC Sierra 1500 Denali 4WD photo
New Find
2020 GMC Sierra 1500 Denali 4WD • Manchester, PA
White • 5.3L V8 Engine
$43,477 • 36.6k miles
•••

Not Ranked

CoPilot AI: It’s a “C-” Buy

  • Includes $1,333 Premium Upgrades
  • CARFAX: One Owner
  • Very Low Mileage
More details
2019 GMC Sierra 1500 Denali 4WD photo
2019 GMC Sierra 1500 Denali 4WD • Mount Joy, PA
White • 6.2L V8 Engine
$26,477 • 147.6k miles
•••

Not Ranked

CoPilot AI: It’s an “A” Buy

  • Good Price - $1,456 Below Market
  • Includes $6,094 Premium Upgrades
  • CARFAX: One Owner
More details
2018 GMC Sierra 1500 SLT 4WD photo
Price Drop
2018 GMC Sierra 1500 SLT 4WD • Lebanon, PA
White • 5.3L V8 Engine
$26,777 • 112.5k miles
•••

Not Ranked

CoPilot AI: It’s a “B-” Buy

  • $200 Price Drop
  • Includes $5,013 Premium Upgrades
  • Average Mileage
More details
2018 GMC Sierra 1500 SLE 4WD photo
2018 GMC Sierra 1500 SLE 4WD • Lititz, PA
Blue • 4.3L V6 Engine
$21,498 • 96.8k miles
•••

Not Ranked

CoPilot AI: It’s an “A-” Buy

  • Fair Price - $30 Below Market
  • Includes $3,151 Premium Upgrades
  • CARFAX: One Owner
More details
2020 GMC Sierra 1500 AT4 4WD photo
Price Drop
New Find
2020 GMC Sierra 1500 AT4 4WD • Lancaster, PA
Red • 6.2L V8 Engine
$36,477 • 71.9k miles
•••

Not Ranked

CoPilot AI: It’s an “A” Buy

  • $521 Price Drop
  • Good Price - $1,687 Below Market
  • Includes $6,828 Premium Upgrades
More details
2018 GMC Sierra 1500 4WD photo
New Find
2018 GMC Sierra 1500 4WD • Hanover, PA
Silver • 5.3L V8 Engine
$24,998 • 54.1k miles
•••

Not Ranked

CoPilot AI: It’s an “A+” Buy

  • Great Price - $2,771 Below Market
  • Includes $1,991 Premium Upgrades
  • CARFAX: One Owner
More details
2020 GMC Sierra 1500 Elevation 4WD photo
New Find
2020 GMC Sierra 1500 Elevation 4WD • Ephrata, PA
White • 5.3L V8 Engine
$33,250 • 73.2k miles
•••

Not Ranked

CoPilot AI: It’s a “B+” Buy

  • Fair Price - $866 Below Market
  • Includes $4,887 Premium Upgrades
  • Below Average Mileage
More details
2018 GMC Sierra 1500 SLT 4WD photo
Price Drop
2018 GMC Sierra 1500 SLT 4WD • Willow Street, PA
Gray • 5.3L V8 Engine
$29,480 • 90.5k miles
•••

Not Ranked

CoPilot AI: It’s a “B-” Buy

  • $234 Price Drop
  • Includes $2,829 Premium Upgrades
  • Motivation to Negotiate - High
More details
2019 GMC Sierra 1500 SLT 4WD photo
Price Drop
2019 GMC Sierra 1500 SLT 4WD • Northumberland, PA
Blue • 5.3L V8 Engine
$34,667 • 84.4k miles
•••

Not Ranked

CoPilot AI: It’s a “D” Buy

  • $452 Price Drop
  • Motivation to Negotiate - Very High
  • Below Average Mileage
More details
2020 GMC Sierra 1500 SLT 4WD photo
New Find
2020 GMC Sierra 1500 SLT 4WD • New Holland, PA
Gray • 6.2L V8 Engine
$42,109 • 87.9k miles
•••

Not Ranked

CoPilot AI: It’s a “C-” Buy

  • Includes $10,660 Premium Upgrades
  • Average Mileage
  • Dealer Rating - 4.6 stars
More details
2020 GMC Sierra 1500 SLT 4WD photo
Price Drop
2020 GMC Sierra 1500 SLT 4WD • Pottsville, PA
Blue • 5.3L V8 Engine
$33,087 • 67.1k miles
•••

Not Ranked

CoPilot AI: It’s a “D+” Buy

  • $390 Price Drop
  • Motivation to Negotiate - High
  • Below Average Mileage
More details
2020 GMC Sierra 1500 AT4 4WD photo
2020 GMC Sierra 1500 AT4 4WD • Paradise, PA
Gray • 5.3L V8 Engine
$40,440 • 67.1k miles
•••

Not Ranked

CoPilot AI: It’s a “B” Buy

  • Includes $6,719 Premium Upgrades
  • Motivation to Negotiate - Increasing
  • Below Average Mileage
More details
2020 GMC Sierra 1500 Elevation 4WD photo
Price Drop
2020 GMC Sierra 1500 Elevation 4WD • Paradise, PA
White • 5.3L V8 Engine
$29,489 • 115.1k miles
•••

Not Ranked

CoPilot AI: It’s a “C-” Buy

  • $3,991 Price Drop
  • Includes $3,607 Premium Upgrades
  • CARFAX: One Owner
More details
2018 GMC Sierra 1500 SLE 4WD photo
Price Drop
2018 GMC Sierra 1500 SLE 4WD • Chambersburg, PA
White • 5.3L V8 Engine
$20,995 • 109.2k miles • Certified
•••

Not Ranked

CoPilot AI: It’s an “A-” Buy

  • $490 Price Drop
  • Fair Price - $152 Above Market
  • Includes $2,399 Premium Upgrades
More details
2019 GMC Sierra 1500 SLT 4WD photo
Price Drop
New Find
2019 GMC Sierra 1500 SLT 4WD • Chambersburg, PA
Silver • 5.3L V8 Engine
$34,495 • 70.5k miles • Certified
•••

Not Ranked

CoPilot AI: It’s an “A” Buy

  • $490 Price Drop
  • Fair Price - $686 Below Market
  • Includes $8,019 Premium Upgrades
More details
2020 GMC Sierra 1500 SLT 4WD photo
New Find
2020 GMC Sierra 1500 SLT 4WD • Hamburg, PA
Gray • 3.0L I6 Engine
$30,490 • 85.3k miles
•••

Not Ranked

CoPilot AI: It’s an “A+” Buy

  • Great Price - $7,173 Below Market
  • Includes $8,699 Premium Upgrades
  • Average Mileage
More details
2020 GMC Sierra 1500 SLT 4WD photo
Price Drop
2020 GMC Sierra 1500 SLT 4WD • Danville, PA
Black • 5.3L V8 Engine
$36,485 • 46.1k miles
•••

Not Ranked

CoPilot AI: It’s a “B” Buy

  • Includes $1,694 Premium Upgrades
  • Motivation to Negotiate - High
  • Very Low Mileage
More details
1-25 of 114 results
HomeGMCSierra 1500

2019 GMC Sierra 1500

Half-Ton Truck
Seats
6
Fuel Economy
16City MPG
21Hwy MPG
NHTSA Rating Summary
Copilot Rating
Dimensions
Most Popular Models like Sierra 1500
GMC Sierra 1500 near Harrisburg, PA
Other Years
Research More Models
View more Crew Cab Pickups

© 2026 CoPilot. All Rights Reserved.