Makes

GMC

Models

Condition

Year

State

  1. $47,995 - 2021 GMC SIERRA 1500 - Stobbs Sales Inc. - (605) 853-3612

  2. $42,900 - 2021 GMC SIERRA 1500 - Beadle's - (605) 845-3671

    2021 GMC Sierra 1500 SLT Crew Cab 4WD for Sale in Mobridge, SD

    This 2021 GMC Sierra 1500 SLT Crew Cab 4WD in White Frost Tricoat over Jet Black combines GMC's polished SLT trim with the proven 5.3L EcoTec3 V8 and 8-Speed Automatic. It's a clean, well-equipped half-ton ready for anything South Dakota and North Dakota throw at it — from county roads outside Mobridge to weekend trips to Aberdeen, Bismarck, or Pierre.

    2021 GMC Sierra 1500 SLT Crew Cab 4WD — Stock #6W23A

    • Drivetrain: Four-Wheel Drive (4WD) with Auto-Locking Rear Differential
    • Engine: 5.3L EcoTec3 V8 with Dynamic Fuel Management
    • Transmission: 8-Speed Automatic
    • Exterior Color: White Frost Tricoat
    • Interior: Jet Black Leather Seating
    • Performance: StabiliTrak with Trailer Sway Control, Hill Start Assist, Brake Pad Monitoring
    • Towing & Trailering: Trailering Package, Trailer Brake Controller
    • Interior Comfort: Heated Front Seats, Dual-Zone Climate Control, Power-Adjustable Driver Seat
    • Technology: GMC Premium Infotainment with Color Touchscreen, Wireless Apple CarPlay and Android Auto, Bluetooth, SiriusXM
    • Safety: HD Rear Vision Camera, Teen Driver Mode, Tire Pressure Monitoring with Tire Fill Alert
    • Exterior Highlights: LED Headlamps, GMC MultiPro Tailgate, Chrome Assist Steps, 18-Inch Aluminum Wheels

    Expert Insights

    According to Kelley Blue Book and Edmunds, the 2021 Sierra 1500 SLT is praised for its quiet cabin, smooth ride, and well-rounded V8 capability.

    Visit Beadle Chevrolet–GMC in Mobridge, SD

    Come see this 2021 GMC Sierra 1500 SLT Crew Cab 4WD at Beadle Chevrolet–GMC in Mobridge, South Dakota. We serve customers from Aberdeen, SD, Bismarck, ND, and Pierre, SD — all within two hours. Call us at 605-845-7277 or visit beadleautogroup.com to schedule your test drive!


  3. $41,225 - 2021 GMC SIERRA 1500 - Wegner Auto - 1-800-658-2277
    Find exceptional capability and comfort with this 2021 GMC Sierra 1500 AT4 4WD, now available in Pierre, SD. Powered by a robust 6.2L V8 gasoline engine, this GMC Sierra AT4 delivers commanding performance, confident towing, and responsive highway cruising. The 4WD system and off-road-ready AT4 suspension provide stability and control across South Dakota roads and trails. Inside, modern connectivity and convenience come standard: Apple CarPlay and Android Auto keep your smartphone integrated for navigation, music, and messages, while the heated steering wheel adds a touch of comfort on chilly mornings. The intuitive back-up camera enhances visibility for safer parking and maneuvering. This GMC Sierra arrives with an AutoCheck Clean Report, giving added peace of mind about its history and condition. Thoughtfully designed with premium materials and practical features, the AT4 trim balances rugged capability with upscale appointments, making it ideal for work, weekend adventures, or daily driving. With competitive pricing in the Pierre market, this GMC Sierra 1500 represents the best price available for its class and condition—an outstanding value for buyers seeking power, technology, and off-road-ready capability.
  4. $37,920 - 2021 GMC SIERRA 1500 - Frankman Motor Company, Inc. - (605) 593-8925
    This 2021 GMC Sierra 1500 Elevation in Black delivers capability and comfort in a well-equipped crew cab package. With its powerful EcoTec3 5.3L V8 engine, 4WD drivetrain, and nearly 36,500 miles of proven reliability, this truck is ready for work or weekend adventures. The Elevation trim brings premium features and modern convenience to every drive.

    • Auto-Locking Rear Differential
    • Off-Road Suspension with X31 Hard Badge
    • Heated Steering Wheel and Heated Front Seats
    • Dual-Zone Automatic Climate Control
    • Dual Exhaust with Premium Tips
    • Hill Descent Control and Hitch Guidance
    • Elevation Convenience and Value Packages
    • Trailering Package with 3.42 Rear Axle
    • Apple CarPlay and Android Auto Integration
    • GMC Infotainment System with SiriusXM Radio

    The truck`s 5.5-foot bed paired with the Trailering Package makes it ideal for hauling and towing. You`ll appreciate the premium amenities like the power driver seat with lumbar support, remote vehicle starter, and advanced connectivity features. Stop by to experience this well-maintained Sierra and see why it`s the right choice for your next truck.

    *Prices shown include all incentives - See dealer for Details; Frankman Motor Company started in 1988 as a small family business that has grown from an acreage with a converted 2 stall garage as the office to the largest independent used car dealership in a 5 state area with almost 50,000 vehicles sold and over 50 employees. *See Dealer for Details.
  5. $36,497 - 2021 GMC SIERRA 1500 - Frontier Motors - 1-800-456-1237

  6. $30,497 - 2021 GMC SIERRA 1500 - Frontier Motors - 1-800-456-1237

  7. $29,900 - 2021 GMC SIERRA 1500 - CK Auto - 701-223-7774
    2021 SIERRA 1500 AT4 82K MILES 6.2L ENGINE FULLY LOADED HEATED AND COOLED LEATHER NAVIGATION REMOTE START SPRAY IN BED LINER GOOD TIRES ASKING 29900 OBO GIVE ME A CALL AT 701-226-8403 WITH ANY QUESTIONS
  8. $28,497 - 2021 GMC SIERRA 1500 - Frontier Motors - 1-800-456-1237

  9. $25,975 - 2021 GMC SIERRA 1500 - Wegner Auto - 1-800-658-2277
    Experience the capability and premium refinement of this pre-owned 2021 GMC Sierra 1500 AT4, now available in Pierre, SD. Built for drivers who want confident performance and modern comfort, this 4WD pickup is powered by a 6-cylinder, 3.0L Diesel engine that delivers strong towing confidence and smooth everyday drivability. The AT4 trim adds a bold, off-road-ready presence with an aggressive stance, distinctive styling, and equipment designed for work or weekend adventure. Inside, the cabin is equipped with Apple CarPlay, Android Auto, Steering Wheel Audio Controls, and a Heated Steering Wheel, helping you stay connected and comfortable on every drive. Whether you are navigating job sites, highways, or rural roads around South Dakota, this GMC Sierra offers the versatility and control you need. An AutoCheck Clean Report adds peace of mind, underscoring the truck's well-kept history. If you are searching for a dependable pre-owned GMC Sierra 1500 with advanced technology, diesel power, and 4WD capability, this 2021 AT4 deserves a closer look. Visit us in Pierre, SD today to see how well this truck fits your lifestyle, towing needs, and daily driving demands. The spacious interior, durable materials, and rugged AT4 engineering make this GMC Sierra a smart choice for buyers seeking a versatile full-size truck with upscale amenities, proven diesel power, and the confidence to tackle changing weather and terrain in any season.
  10. $43,995 - 2021 GMC SIERRA 1500 - Stobbs Sales Inc. - (605) 853-3612

  11. - 2021 GMC SIERRA 1500 - Wegner Auto - 1-800-658-2277


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