CoPilot AI-Assisted Car Shopping

 New Search
 Save
 Sort
 Share

Used 2018 GMC Sierra 1500 for Sale in Buffalo, NY

Sierra 1500s for Sale at Dealers

Filters
Price
Year
Mileage
Trim
2020 GMC Sierra 1500 Denali 4WD photo
2020 GMC Sierra 1500 Denali 4WD • Buffalo, NY
White • 3.0L I6 Engine
$27,995 • 181.7k miles
•••

Not Ranked

CoPilot AI: It’s a “D+” Buy

  • Includes $2,071 Premium Upgrades
  • Motivation to Negotiate - Very High
  • Dealer Rating - 4.0 stars
More details
2019 GMC Sierra 1500 4WD photo
Price Drop
2019 GMC Sierra 1500 4WD • Buffalo, NY
White • 5.3L V8 Engine
$21,504 • 96.2k miles
•••

Not Ranked

CoPilot AI: It’s an “A-” Buy

  • Fair Price - $39 Above Market
  • Includes $1,389 Premium Upgrades
  • Motivation to Negotiate - Increasing
More details
2020 GMC Sierra 1500 SLT 4WD photo
New Find
2020 GMC Sierra 1500 SLT 4WD • Depew, NY
Black • 6.2L V8 Engine
$38,126 • 54.8k miles • Certified
•••

Not Ranked

CoPilot AI: It’s an “A” Buy

  • Fair Price - $361 Above Market
  • Includes $10,796 Premium Upgrades
  • Very Low Mileage
More details
2020 GMC Sierra 1500 AT4 4WD photo
New Find
2020 GMC Sierra 1500 AT4 4WD • NY
Gray • 5.3L V8 Engine
$33,169 • 98k miles
•••

Not Ranked

CoPilot AI: It’s a “C-” Buy

  • Includes $2,960 Premium Upgrades
  • Dealer Rating - 4.7 stars
More details
2019 GMC Sierra 1500 SLE 4WD photo
Price Drop
New Find
2019 GMC Sierra 1500 SLE 4WD • Orchard Park, NY
Gray • 5.3L V8 Engine
$25,981 • 81.2k miles
•••

Not Ranked

CoPilot AI: It’s a “B-” Buy

  • $175 Price Drop
  • Includes $2,006 Premium Upgrades
  • CARFAX: One Owner
More details
2020 GMC Sierra 1500 SLT 4WD photo
Price Drop
2020 GMC Sierra 1500 SLT 4WD • Orchard Park, NY
Black • 5.3L V8 Engine
$29,994 • 94.1k miles
•••

Not Ranked

CoPilot AI: It’s an “A+” Buy

  • $2,000 Price Drop
  • Great Price - $4,327 Below Market
  • Includes $7,547 Premium Upgrades
More details
2020 GMC Sierra 1500 SLT 4WD photo
2020 GMC Sierra 1500 SLT 4WD • Orchard Park, NY
Black • 5.3L V8 Engine
$36,953 • 53.4k miles
•••

Not Ranked

CoPilot AI: It’s an “A” Buy

  • Fair Price - $566 Below Market
  • Includes $9,489 Premium Upgrades
  • Very Low Mileage
More details
2020 GMC Sierra 1500 SLT 4WD photo
Price Drop
2020 GMC Sierra 1500 SLT 4WD • NY
Gray • 5.3L V8 Engine
$33,000 • 84.3k miles
•••

Not Ranked

CoPilot AI: It’s a “C-” Buy

  • $174 Price Drop
  • Includes $5,231 Premium Upgrades
  • Average Mileage
More details
2019 GMC Sierra 1500 SLT 4WD photo
Price Drop
2019 GMC Sierra 1500 SLT 4WD • NY
Gray • 5.3L V8 Engine
$33,143 • 68.8k miles
•••

Not Ranked

CoPilot AI: It’s an “A+” Buy

  • $3,000 Price Drop
  • Great Price - $2,227 Below Market
  • Includes $8,327 Premium Upgrades
More details
2019 GMC Sierra 1500 SLT 4WD photo
2019 GMC Sierra 1500 SLT 4WD • Williamsville, NY
Black • 5.3L V8 Engine
$34,972 • 72.9k miles
•••

Not Ranked

CoPilot AI: It’s an “A” Buy

  • Fair Price - $969 Above Market
  • Includes $8,531 Premium Upgrades
  • Motivation to Negotiate - High
More details
2019 GMC Sierra 1500 SLE 4WD photo
Price Drop
2019 GMC Sierra 1500 SLE 4WD • Hamburg, NY
Black • 5.3L V8 Engine
$23,339 • 121.7k miles
•••

Not Ranked

CoPilot AI: It’s an “A-” Buy

  • $582 Price Drop
  • Fair Price - $203 Below Market
  • Includes $4,629 Premium Upgrades
More details
2017 GMC Sierra 1500 Denali 4WD photo
2017 GMC Sierra 1500 Denali 4WD • Niagara Falls, NY
Gray • 5.3L V8 Engine
$28,478 • 49.7k miles
•••

Not Ranked

CoPilot AI: It’s an “A” Buy

  • Good Price - $1,360 Below Market
  • Includes $802 Premium Upgrades
  • Motivation to Negotiate - Increasing
More details
2019 GMC Sierra 1500 Elevation 4WD photo
2019 GMC Sierra 1500 Elevation 4WD • Niagara Falls, NY
Red • 5.3L V8 Engine
$28,999 • 63.9k miles
•••

Not Ranked

CoPilot AI: It’s an “A” Buy

  • Fair Price - $64 Above Market
  • Includes $3,549 Premium Upgrades
  • Motivation to Negotiate - Increasing
More details
2019 GMC Sierra 1500 SLE 4WD photo
New Find
2019 GMC Sierra 1500 SLE 4WD • East Aurora, NY
Blue • 2.7L I4 Engine
$29,104 • 29.8k miles
•••

Not Ranked

CoPilot AI: It’s a “C+” Buy

  • Very Low Mileage
  • Dealer Rating - 4.9 stars
More details
2018 GMC Sierra 1500 SLE 4WD photo
Price Drop
2018 GMC Sierra 1500 SLE 4WD • Attica, NY
Black • 5.3L V8 Engine
$19,662 • 133.6k miles
•••

Not Ranked

CoPilot AI: It’s a “C-” Buy

  • Includes $1,055 Premium Upgrades
  • Motivation to Negotiate - Increasing
More details
2019 GMC Sierra 1500 AT4 4WD photo
Price Drop
2019 GMC Sierra 1500 AT4 4WD • Attica, NY
Black • 6.2L V8 Engine
$37,900 • 83.1k miles
•••

Not Ranked

CoPilot AI: It’s a “C-” Buy

  • $1,000 Price Drop
  • Includes $7,271 Premium Upgrades
  • Motivation to Negotiate - Very High
More details
2019 GMC Sierra 1500 SLT 4WD photo
Price Drop
2019 GMC Sierra 1500 SLT 4WD • Springville, NY
Black • 5.3L V8 Engine
$26,169 • 94.6k miles
•••

Not Ranked

CoPilot AI: It’s an “A+” Buy

  • $2,000 Price Drop
  • Great Price - $2,962 Below Market
  • Includes $4,821 Premium Upgrades
More details
2019 GMC Sierra 1500 SLE 4WD photo
2019 GMC Sierra 1500 SLE 4WD • Oakfield, NY
Brown • 5.3L V8 Engine
$26,993 • 64.6k miles
•••

Not Ranked

CoPilot AI: It’s a “B+” Buy

  • Great Price - $2,666 Below Market
  • Includes $4,537 Premium Upgrades
  • Motivation to Negotiate - Increasing
More details
2019 GMC Sierra 1500 AT4 4WD photo
Price Drop
2019 GMC Sierra 1500 AT4 4WD • Oakfield, NY
Black • 6.2L V8 Engine
$27,488 • 99.9k miles
•••

Not Ranked

CoPilot AI: It’s a “B+” Buy

  • Great Price - $2,781 Below Market
  • Includes $2,958 Premium Upgrades
  • Motivation to Negotiate - High
More details
2020 GMC Sierra 1500 Elevation 4WD photo
Price Drop
2020 GMC Sierra 1500 Elevation 4WD • Batavia, NY
Black • 5.3L V8 Engine
$29,175 • 114.1k miles
•••

Not Ranked

CoPilot AI: It’s a “C-” Buy

  • $507 Price Drop
  • Includes $3,126 Premium Upgrades
  • Motivation to Negotiate - Very High
More details
2017 GMC Sierra 1500 4WD photo
Price Drop
2017 GMC Sierra 1500 4WD • Batavia, NY
5.3L V8 Engine
$22,825 • 71.9k miles
•••

Not Ranked

CoPilot AI: It’s a “C-” Buy

  • $300 Price Drop
  • Includes $645 Premium Upgrades
  • CARFAX: One Owner
More details
2016 GMC Sierra 1500 SLT 4WD photo
2016 GMC Sierra 1500 SLT 4WD • Arcade, NY
Silver • 5.3L V8 Engine
$31,198 • 36.1k miles
•••

Not Ranked

CoPilot AI: It’s a “D+” Buy

  • Includes $278 Premium Upgrades
  • Motivation to Negotiate - Increasing
  • Very Low Mileage
More details
2018 GMC Sierra 1500 SLE 4WD photo
Price Drop
New Find
2018 GMC Sierra 1500 SLE 4WD • Dunkirk, NY
White • 5.3L V8 Engine
$22,675 • 102.5k miles
•••

Not Ranked

CoPilot AI: It’s a “B+” Buy

  • $500 Price Drop
  • Fair Price - $685 Below Market
  • Includes $3,226 Premium Upgrades
More details
2019 GMC Sierra 1500 AT4 4WD photo
Price Drop
New Find
2019 GMC Sierra 1500 AT4 4WD • Fredonia, NY
Red • 5.3L V8 Engine
$32,174 • 99.9k miles
•••

Not Ranked

CoPilot AI: It’s a “C-” Buy

  • $1,081 Price Drop
  • Includes $3,406 Premium Upgrades
  • Average Mileage
More details
2017 GMC Sierra 1500 4WD photo
2017 GMC Sierra 1500 4WD • Bergen, NY
5.3L V8 Engine
$17,995 • 90.4k miles
•••

Not Ranked

CoPilot AI: It’s a “B+” Buy

  • Great Price - $1,274 Below Market
  • Includes $632 Premium Upgrades
  • Below Average Mileage
More details
1-25 of 64 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 Buffalo, NY
Other Years
Research More Models
View more Crew Cab Pickups

© 2026 CoPilot. All Rights Reserved.