2021 GMC Sierra 1500
SLT · 4D Crew CabStock 16466VIN 3GTU9DEL8MG433536
- Mileage
- 110,521 mi
- Drivetrain
- 4WD
- Transmission
- 10-Speed Automatic
- Fuel
- Gasoline
- Cylinders
- 8
- Exterior
- Pacific Blue Metallic
- Body
- Truck
- Year
- 2021
- Make
- GMC
- Model
- Sierra 1500
- Trim
- SLT
- Body style
- Truck
- Condition
- Used
- Exterior color
- Pacific Blue Metallic
- Drivetrain
- 4WD
- Transmission
- 10-Speed Automatic
- Fuel type
- Gasoline
- Cylinders
- 8
This striking 2021 GMC Sierra 1500 SLT in Pacific Blue Metallic delivers premium capability and comfort in a full-size truck built to impress. Powered by a robust EcoTec3 6.2L V8 engine paired with a 10-speed automatic transmission and four-wheel drive, this Sierra commands the road with authority. A local trade with no accidents on Carfax and a nonsmoker history, this truck is ready to become your trusted partner for work or weekend adventures.Key Features:- Android Auto and Apple CarPlay integration- Heated and cooled leather seats with heated steering wheel- Navigation system with backup camera- Four-wheel drive with off-road capabilities- Bluetooth connectivity and remote engine start- Automatic headlights and keyless entry- Premium alloy wheels- SLT Premium Package and X31 Off-Road & Protection Package- Trailering Package with integrated trailer brake controllerThis Sierra offers genuine comfort and capability. The SLT Premium Package brings refined appointments including premium leather seating and advanced climate control. The X31 Off-Road & Protection Package adds an off-road suspension, hill descent control, and front frame-mounted black recovery hooks for enhanced versatility. The dual exhaust with premium tips and spray-on pickup bed liner with GMC logo showcase thoughtful details throughout.With its powerful engine delivering 16 city and 20 highway MPG, along with premium features like the GMC Infotainment System with multi-touch interface and OnStar Connected Services capability, this Sierra 1500 SLT balances performance with practical technology. Whether you're hauling cargo or enjoying the open road, this truck is equipped to handle it all.Visit us today and experience this exceptional Sierra for yourself.We are NOT in the car business. We are in the PEOPLE business. Located in the heart of the Black Hills, Auto Choice in Spearfish always has an excellent selection of quality, pre-owned cars, trucks, vans and SUVs foreign and domestic. Whether your taste is for luxury vehicles like Audi and BMW or practical Ford and Chevrolet or the economy of Honda and Toyota, we'll have just the right vehicle for you. Best Used Inventory in the Black Hills.
- Arrived
- Sep 8, 2026
- Condition
- Used
- Cylinders
- 8
- Drivetrain
- 4WD
- Exterior Color
- Pacific Blue Metallic
- Fuel Type
- Gasoline
- Interior Color
- Dark Walnut/Slate
- Make
- GMC
- Mileage
- 110,521 mi
- Model
- Sierra 1500
- Price
- $30,913
- Stock #
- 16466
- Sub model
- 4D Crew Cab
- Transmission
- 10-Speed Automatic
- Trim
- SLT
- VIN
- 3GTU9DEL8MG433536
- Year
- 2021
| 150 installed options & equipment | |
|---|---|
| Navigation System | |
| Preferred Equipment Group 4SA | |
| SLT Convenience Package | |
| SLT Premium Package | |
| Trailering Package | |
| X31 Off-Road & Protection Package | |
| X31 Off-Road Package | |
| 6 Speakers | |
| 6-Speaker Audio System Feature | |
| AM/FM radio: SiriusXM with 360L | |
| Not Equipped w/HD Radio | |
| Premium audio system: GMC Infotainment System | |
| Radio data system | |
| Radio: Premium GMC Infotainment Sys w/Multi-Touch | |
| SiriusXM w/360L | |
| Steering Wheel Audio Controls | |
| Air Conditioning | |
| Automatic temperature control | |
| Electric Rear-Window Defogger | |
| Front dual zone A/C | |
| Rear window defroster | |
| 12-Volt Rear Auxiliary Power Outlet | |
| 120-Volt Bed Mounted Power Outlet | |
| 120-Volt Instrument Panel Power Outlet | |
| Driver Memory | |
| Memory seat | |
| Power driver seat | |
| Power Front Passenger Windows w/Express Up/Down | |
| Power Front Windows w/Driver Express Up/Down | |
| Power Rear Windows w/Express Down | |
| Power steering | |
| Power windows | |
| Remote keyless entry | |
| Remote Vehicle Starter System | |
| Steering wheel mounted audio controls | |
| Universal Home Remote | |
| Auto-Locking Rear Differential | |
| Electrical Lock Control Steering Column | |
| Heavy Duty Suspension | |
| Manual Tilt-Wheel & Telescoping Steering Column | |
| Off-Road Suspension | |
| Speed-sensing steering | |
| Traction control | |
| 4-Wheel Disc Brakes | |
| ABS brakes | |
| Dual front impact airbags | |
| Dual front side impact airbags | |
| Front anti-roll bar | |
| Front wheel independent suspension | |
| Keyless Open & Start | |
| Low tire pressure warning | |
| Occupant sensing airbag | |
| Overhead airbag | |
| Power Door Locks | |
| Brake assist | |
| Electronic Stability Control | |
| Hill Descent Control | |
| Delay-off headlights | |
| Front fog lights | |
| Fully automatic headlights | |
| Dual Exhaust w/Premium Tips | |
| Panic alarm | |
| Security system | |
| Theft Deterrent System (Unauthorized Entry) | |
| Speed control | |
| 170 Amp Alternator | |
| Auxiliary External Transmission Oil Cooler | |
| Heavy-Duty Air Filter | |
| Not Equipped w/Automatic Stop/Start | |
| Auto-dimming door mirrors | |
| Bumpers: chrome | |
| Chrome Grille | |
| Chrome Wheel To Wheel Assist Steps | |
| Front License Plate Kit | |
| Heated door mirrors | |
| LED Cargo Area Lighting | |
| Power door mirrors | |
| ProGrade Trailering System | |
| Rear step bumper | |
| Rear Wheelhouse Liners | |
| Spray-On Pickup Bed Liner w/GMC Logo | |
| X31 Hard Badge | |
| 2 USB Ports | |
| 2 USB Ports (1st Row) | |
| 4G LTE Wi-Fi Hotspot Capable | |
| All-Weather Floor Liner (LPO) | |
| Apple CarPlay/Android Auto | |
| Auto-dimming Rear-View mirror | |
| Color-Keyed Carpeting Floor Covering | |
| Compass | |
| Driver door bin | |
| Driver vanity mirror | |
| Floor-Mounted Center Console | |
| Front reading lights | |
| GMC Connected Access Capable | |
| Heated steering wheel | |
| Illuminated entry | |
| OnStar & GMC Connected Services Capable | |
| Outside temperature display | |
| Overhead console | |
| Passenger vanity mirror | |
| Rear Dual USB Charging-Only Ports | |
| Rear reading lights | |
| Rear seat center armrest | |
| Tachometer | |
| Telescoping steering wheel | |
| Tilt steering wheel | |
| Trip computer | |
| Voltmeter | |
| 10-Way Power Driver Seat Adjuster w/Lumbar | |
| 10-Way Power Passenger Seat Adjuster w/Lumbar | |
| Front 40/20/40 Split-Bench Seat | |
| Front Bucket Seats | |
| Heated 2nd Row Outboard Seats | |
| Heated Driver & Front Outboard Passenger Seating | |
| Heated front seats | |
| Perf Leather-Appointed Front Outboard Seat Trim | |
| Power passenger seat | |
| Split folding rear seat | |
| Ventilated Driver & Front Passenger Seats | |
| Front Center Armrest w/Storage | |
| Passenger door bin | |
| Front Frame-Mounted Black Recovery Hooks | |
| Hitch Guidance | |
| Hitch Guidance w/Hitch View | |
| In-Vehicle Trailering App | |
| Integrated Trailer Brake Controller | |
| 20" x 9" Polished Aluminum Wheels | |
| Alloy wheels | |
| Wheels: 18" x 8.5" 6-Spoke Machined Aluminum | |
| Deep-Tinted Glass | |
| Power Sliding Rear Window w/Rear Defogger | |
| Variably intermittent wipers | |
| 3.23 Rear Axle Ratio | |
| Leather Seats | |
| Backup Camera | |
| Bluetooth | |
| Apple CarPlay | |
| Android Auto | |
| No Accidents On Carfax | |
| Local Trade | |
| NonSmoker | |
| Premium/ Alloy Wheels | |
| Heated Seats | |
| Automatic Headlights | |
| Keyless Entry | |
| Remote Engine Start | |
| Four Wheel Drive | |
| Cooled Driver Seat | |
| Cooled Passenger Seat | |
| Navigation System | Preferred Equipment Group 4SA |
| SLT Convenience Package | SLT Premium Package |
| Trailering Package | X31 Off-Road & Protection Package |
| X31 Off-Road Package | 6 Speakers |
| 6-Speaker Audio System Feature | AM/FM radio: SiriusXM with 360L |
| Not Equipped w/HD Radio | Premium audio system: GMC Infotainment System |
| Radio data system | Radio: Premium GMC Infotainment Sys w/Multi-Touch |
| SiriusXM w/360L | Steering Wheel Audio Controls |
| Air Conditioning | Automatic temperature control |
| Electric Rear-Window Defogger | Front dual zone A/C |
| Rear window defroster | 12-Volt Rear Auxiliary Power Outlet |
| 120-Volt Bed Mounted Power Outlet | 120-Volt Instrument Panel Power Outlet |
| Driver Memory | Memory seat |
| Power driver seat | Power Front Passenger Windows w/Express Up/Down |
| Power Front Windows w/Driver Express Up/Down | Power Rear Windows w/Express Down |
| Power steering | Power windows |
| Remote keyless entry | Remote Vehicle Starter System |
| Steering wheel mounted audio controls | Universal Home Remote |
| Auto-Locking Rear Differential | Electrical Lock Control Steering Column |
| Heavy Duty Suspension | Manual Tilt-Wheel & Telescoping Steering Column |
| Off-Road Suspension | Speed-sensing steering |
| Traction control | 4-Wheel Disc Brakes |
| ABS brakes | Dual front impact airbags |
| Dual front side impact airbags | Front anti-roll bar |
| Front wheel independent suspension | Keyless Open & Start |
| Low tire pressure warning | Occupant sensing airbag |
| Overhead airbag | Power Door Locks |
| Brake assist | Electronic Stability Control |
| Hill Descent Control | Delay-off headlights |
| Front fog lights | Fully automatic headlights |
| Dual Exhaust w/Premium Tips | Panic alarm |
| Security system | Theft Deterrent System (Unauthorized Entry) |
| Speed control | 170 Amp Alternator |
| Auxiliary External Transmission Oil Cooler | Heavy-Duty Air Filter |
| Not Equipped w/Automatic Stop/Start | Auto-dimming door mirrors |
| Bumpers: chrome | Chrome Grille |
| Chrome Wheel To Wheel Assist Steps | Front License Plate Kit |
| Heated door mirrors | LED Cargo Area Lighting |
| Power door mirrors | ProGrade Trailering System |
| Rear step bumper | Rear Wheelhouse Liners |
| Spray-On Pickup Bed Liner w/GMC Logo | X31 Hard Badge |
| 2 USB Ports | 2 USB Ports (1st Row) |
| 4G LTE Wi-Fi Hotspot Capable | All-Weather Floor Liner (LPO) |
| Apple CarPlay/Android Auto | Auto-dimming Rear-View mirror |
| Color-Keyed Carpeting Floor Covering | Compass |
| Driver door bin | Driver vanity mirror |
| Floor-Mounted Center Console | Front reading lights |
| GMC Connected Access Capable | Heated steering wheel |
| Illuminated entry | OnStar & GMC Connected Services Capable |
| Outside temperature display | Overhead console |
| Passenger vanity mirror | Rear Dual USB Charging-Only Ports |
| Rear reading lights | Rear seat center armrest |
| Tachometer | Telescoping steering wheel |
| Tilt steering wheel | Trip computer |
| Voltmeter | 10-Way Power Driver Seat Adjuster w/Lumbar |
| 10-Way Power Passenger Seat Adjuster w/Lumbar | Front 40/20/40 Split-Bench Seat |
| Front Bucket Seats | Heated 2nd Row Outboard Seats |
| Heated Driver & Front Outboard Passenger Seating | Heated front seats |
| Perf Leather-Appointed Front Outboard Seat Trim | Power passenger seat |
| Split folding rear seat | Ventilated Driver & Front Passenger Seats |
| Front Center Armrest w/Storage | Passenger door bin |
| Front Frame-Mounted Black Recovery Hooks | Hitch Guidance |
| Hitch Guidance w/Hitch View | In-Vehicle Trailering App |
| Integrated Trailer Brake Controller | 20" x 9" Polished Aluminum Wheels |
| Alloy wheels | Wheels: 18" x 8.5" 6-Spoke Machined Aluminum |
| Deep-Tinted Glass | Power Sliding Rear Window w/Rear Defogger |
| Variably intermittent wipers | 3.23 Rear Axle Ratio |
| Leather Seats | Backup Camera |
| Bluetooth | Apple CarPlay |
| Android Auto | No Accidents On Carfax |
| Local Trade | NonSmoker |
| Premium/ Alloy Wheels | Heated Seats |
| Automatic Headlights | Keyless Entry |
| Remote Engine Start | Four Wheel Drive |
| Cooled Driver Seat | Cooled Passenger Seat |
Every vehicle is inspected before it goes out front. This is what that covers:
- Remaining brake and tire life measured, not eyeballed
- Battery load-tested and the cooling system checked
- Frame, subframe and brake lines inspected for road-salt corrosion
- On AWD and 4x4, the transfer case confirmed to engage 4-High and 4-Low cleanly
- On diesels, the turbo, injectors and emissions components inspected
- Vehicle history report handed over without being asked
Safety equipment on this specific vehicle is not listed in our feed. Call (605) 642-2886 and we will walk out to it and confirm exactly what it has.
- Stock number
- 16466
- VIN
- 3GTU9DEL8MG433536
- Arrived on the lot
- Sep 8, 2026
- Advertised price
- $30,913
Price excludes tax, title, license and dealer fees. Availability changes through the day — confirm with us before travelling.
Estimate your payment
Estimated monthly
$486/mo
- Amount financed
- $27,822
- Total interest
- $7,203
- Total of payments
- $35,025
An estimate only. It is not a credit offer, and it excludes tax, title, registration and fees. Your actual rate and term depend on approval.
Come and see it
On the lot at 321 S. Heritage Drive, Spearfish, SD 57783, just off Jackson Boulevard and minutes from I-90 exit 14. No appointment needed.
Sales Hours
- Monday – Friday
- 8:30 AM – 6:00 PM
- Saturday
- 8:30 AM – 5:00 PM
- Sunday
- Closed
Service Hours
- Monday – Friday
- 8:00 AM – 5:00 PM
- Saturday – Sunday
- Closed
Call (605) 642-2886
Outside these hours, leave a message and we will call you back.
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Come see what is on the lot
Walk the lot at 321 S. Heritage Drive, Spearfish, SD 57783, drive what you like, and talk to the people who actually work here. No appointment needed.
