CoPilot AI-Assisted Car Shopping

 New Search
 Save
 Sort
 Share

Used 2021 GMC Sierra 1500 for Sale in Riverside, CA

Sierra 1500s for Sale at Dealers

Filters
Price
Year
Mileage
Trim
2021 GMC Sierra 1500 SLT 4WD photo
4
2021 GMC Sierra 1500 SLT 4WD • Fontana, CA
Gray • 5.3L V8 Engine
$32,599 • 82.7k miles
•••

#4 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Great Price - $5,761 Below Market
  • Includes $5,234 Premium Upgrades
  • Dealer Rating - 4.3 stars
More details
2020 GMC Sierra 1500 Elevation 4WD photo
2020 GMC Sierra 1500 Elevation 4WD • City of Industry, CA
Gray • 5.3L V8 Engine
$36,388 • 60.2k miles
•••

#26 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Good Price - $1,938 Below Market
  • Includes $7,832 Premium Upgrades
  • Very Low Mileage
More details
2021 GMC Sierra 1500 SLT RWD photo
10
Price Drop
2021 GMC Sierra 1500 SLT RWD • South Gate, CA
White • 5.3L V8 Engine
$39,999 • 35.3k miles
•••

#10 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $8,000 Price Drop
  • Great Price - $4,545 Below Market
  • Includes $9,485 Premium Upgrades
More details
2021 GMC Sierra 1500 AT4 4WD photo
2021 GMC Sierra 1500 AT4 4WD • Costa Mesa, CA
6.2L V8 Engine
$38,995 • 53.7k miles
•••

#44 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B” Buy

  • Fair Price - $573 Below Market
  • Includes $1,726 Premium Upgrades
  • CARFAX: One Owner
More details
2022 GMC Sierra 1500 Elevation RWD photo
7
Price Drop
2022 GMC Sierra 1500 Elevation RWD • Temecula, CA
Tan • 3.0L I6 Engine
$40,990 • 35.7k miles
•••

#7 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $1,000 Price Drop
  • Great Price - $5,431 Below Market
  • Includes $13,521 Premium Upgrades
More details
2020 GMC Sierra 1500 Elevation RWD photo
Price Drop
2020 GMC Sierra 1500 Elevation RWD • Anaheim, CA
Red • 3.0L I6 Engine
$34,995 • 76.1k miles
•••

#71 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • $1,900 Price Drop
  • Includes $4,006 Premium Upgrades
  • Below Average Mileage
More details
2021 GMC Sierra 1500 Elevation photo
Price Drop
2021 GMC Sierra 1500 Elevation • Carlsbad, CA
Gray • 3.0L I6 Engine
$38,849 • 44k miles
•••

#77 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • $40 Price Drop
  • Includes $1,706 Premium Upgrades
  • Very Low Mileage
More details
2022 GMC Sierra 1500 SLE RWD photo
Price Drop
2022 GMC Sierra 1500 SLE RWD • Costa Mesa, CA
White • 2.7L I4 Engine
$31,995 • 37.8k miles
•••
More details
2021 GMC Sierra 1500 Elevation 4WD photo
Price Drop
2021 GMC Sierra 1500 Elevation 4WD • Buena Park, CA
Gray • 5.3L V8 Engine
$37,450 • 37.6k miles
•••

#30 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $545 Price Drop
  • Good Price - $1,491 Below Market
  • Includes $2,079 Premium Upgrades
More details
2020 GMC Sierra 1500 AT4 4WD photo
Price Drop
2020 GMC Sierra 1500 AT4 4WD • Anaheim, CA
Black • 3.0L I6 Engine
$36,973 • 106k miles
•••

#49 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B” Buy

  • $3,000 Price Drop
  • Fair Price - $596 Above Market
  • Includes $7,226 Premium Upgrades
More details
2022 GMC Sierra 1500 AT4 4WD photo
Price Drop
2022 GMC Sierra 1500 AT4 4WD • National City, CA
Black • 6.2L V8 Engine
$51,888 • 36.5k miles
•••

#72 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • $100 Price Drop
  • Includes $1,167 Premium Upgrades
  • Motivation to Negotiate - Very High
More details
2021 GMC Sierra 1500 4WD photo
Price Drop
2021 GMC Sierra 1500 4WD • Costa Mesa, CA
Black • 5.3L V8 Engine
$32,995 • 84.2k miles
•••

#76 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • $1,000 Price Drop
  • Includes $2,986 Premium Upgrades
  • CARFAX: One Owner
More details
2021 GMC Sierra 1500 SLT RWD photo
2021 GMC Sierra 1500 SLT RWD • South Gate, CA
Silver • 3.0L I6 Engine
$41,995 • 70.7k miles
•••

#79 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • Includes $4,555 Premium Upgrades
  • CARFAX: One Owner
  • Motivation to Negotiate - High
More details
2022 GMC Sierra 1500 Pro RWD photo
2022 GMC Sierra 1500 Pro RWD • Montclair, CA
White • 5.3L V8 Engine
$22,795 • 74.8k miles
•••

#55 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B-” Buy

  • Fair Price - $580 Below Market
  • Includes $1,551 Premium Upgrades
  • CARFAX: One Owner
More details
2021 GMC Sierra 1500 SLT 4WD photo
Price Drop
2021 GMC Sierra 1500 SLT 4WD • Carlsbad, CA
White • 5.3L V8 Engine
$36,790 • 86.6k miles
•••

#73 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • $95 Price Drop
  • Includes $3,997 Premium Upgrades
  • CARFAX: One Owner
More details
2022 GMC Sierra 1500 Denali RWD photo
14
Price Drop
2022 GMC Sierra 1500 Denali RWD • Culver City, CA
Black • 3.0L I6 Engine
$42,818 • 31.4k miles
•••

#14 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $1,134 Price Drop
  • Great Price - $4,132 Below Market
  • Includes $2,903 Premium Upgrades
More details
2021 GMC Sierra 1500 Denali 4WD photo
2021 GMC Sierra 1500 Denali 4WD • Los Angeles, CA
Red • 6.2L V8 Engine
$41,985 • 70.7k miles
•••

#80 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • Includes $2,387 Premium Upgrades
  • Average Mileage
  • Dealer Rating - 4.1 stars
More details
2020 GMC Sierra 1500 Elevation RWD photo
Price Drop
2020 GMC Sierra 1500 Elevation RWD • Fontana, CA
Red • 2.7L I4 Engine
$27,995 • 83.8k miles
•••

#48 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B” Buy

  • $1,000 Price Drop
  • Fair Price - $525 Above Market
  • Includes $1,827 Premium Upgrades
More details
2022 GMC Sierra 1500 SLT 4WD photo
2022 GMC Sierra 1500 SLT 4WD • Los Angeles, CA
White • 5.3L V8 Engine
$34,197 • 95.9k miles
•••

#41 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B” Buy

  • Fair Price - $832 Below Market
  • Includes $2,434 Premium Upgrades
  • CARFAX: One Owner
More details
2022 GMC Sierra 1500 Elevation RWD photo
Price Drop
2022 GMC Sierra 1500 Elevation RWD • Tustin, CA
White • 2.7L I4 Engine
$31,358 • 78.6k miles
•••

#43 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B” Buy

  • $640 Price Drop
  • Fair Price - $687 Below Market
  • Includes $1,681 Premium Upgrades
More details
2020 GMC Sierra 1500 SLE RWD photo
Price Drop
2020 GMC Sierra 1500 SLE RWD • National City, CA
White • 2.7L I4 Engine
$29,388 • 80k miles
•••

#75 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • $400 Price Drop
  • Includes $3,251 Premium Upgrades
  • Motivation to Negotiate - Very High
More details
2022 GMC Sierra 1500 Pro RWD photo
2022 GMC Sierra 1500 Pro RWD • Downey, CA
White • 5.3L V8 Engine
$27,500 • 65k miles
•••
More details
2022 GMC Sierra 1500 Denali 4WD photo
2022 GMC Sierra 1500 Denali 4WD • National City, CA
Gray • 6.2L V8 Engine
$52,995 • 33.5k miles
•••

#32 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Fair Price - $1,267 Below Market
  • Includes $9,599 Premium Upgrades
  • CARFAX: One Owner
More details
2022 GMC Sierra 1500 Elevation RWD photo
2022 GMC Sierra 1500 Elevation RWD • Buena Park, CA
White • 2.7L I4 Engine
$36,998 • 27.3k miles
•••

#31 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Good Price - $1,332 Below Market
  • Includes $1,130 Premium Upgrades
  • CARFAX: One Owner
More details
2022 GMC Sierra 1500 Elevation 4WD photo
2022 GMC Sierra 1500 Elevation 4WD • Orange, CA
Gray • 5.3L V8 Engine
$35,900 • 95.9k miles
•••

#29 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Good Price - $1,544 Below Market
  • Includes $7,045 Premium Upgrades
  • CARFAX: One Owner
More details
1-25 of 123 results
HomeGMCSierra 1500

2021 GMC Sierra 1500

Half-Ton Truck
Seats
6
Fuel Economy
17City MPG
23Hwy MPG
NHTSA Rating Summary
Dimensions
Most Popular Models like Sierra 1500
GMC Sierra 1500 near Riverside, CA
Other Years
Research More Models
View more Crew Cab Pickups

© 2026 CoPilot. All Rights Reserved.