Used 2021 GMC Sierra 1500 SLT
139,673 milesSan Antonio, TX 78212
For Sale:Price Unknown
- Truck
- Pickup
- Crew Cab
- Condition
- Used
- Mileage
- 139,673miles
- Aggregate Ratings
- 3.63.6 out of 5 stars
- Generation
- 4(2019 - 2026)
- Trim
- SLT
- Drivetrain
- 4X2
- Transmission
- 8-Speed Shiftable Automatic
- MPG
- 15 city22 highwayMax range: 528 miles
- Exterior Color
- Summit White (White)Factory Paint Code:GAZ
- Upholstery
- Leather
- Size Segment
- 1/2 Ton
- Doors
- 4
- Max Seating
- 6
- Max Towing Capacity
- 11,200lbs.
- Weight Class
- 6,000-10,000 lbs. (2)
- Bed Length
- 69.9in.
- Ground Clearance
- 7.9inch
- NHTSA Safety Ratings
- 44 out of 5 stars
- Final Assembly Point
- Silao, Mexico
- VIN
- 3GTP8DED2MG203905
- Starting MSRP
- $47,500
Engine5.3L V8 Gasoline 355hp
- Fuel Type:Gasoline
- Fuel Quality:87
- Max Horsepower:355 hp @ 5600 rpm
- Power to Weight Ratio:13.58lbs/hp
- Max Torque:383 ft.lbf @ 4100 rpm
- Brand:EcoTec3
- Displacement:5.3liters
- Block Type:V
- Cylinders:8
- Aspiration:Naturally Aspirated
- Fuel Induction:Direct Injection
- Redline:5,800rpm
- Oil Capacity:7.6liters
- Cam Type:OHV
- Stroke:3.62
- Bore:3.78
- Valves:16
* Based on opinions and should be considered as general guidance only.
- Reliability (3)3 out of 5 starsWhile generally solid, some owners have reported minor electrical glitches or issues with certain advanced features. Overall, it's considered average for the segment, but not class-leading.
- Maintenance (3)3 out of 5 starsMaintenance costs are typical for a full-size truck, with regular oil changes and tire rotations being the primary expenses. Parts can be moderately priced, and specialized repairs might be more costly due to the vehicle's size and complexity.
- Technology (4)4 out of 5 starsThe infotainment system is user-friendly with a responsive touchscreen and good integration for Apple CarPlay and Android Auto. Available features like the multi-color head-up display and various camera views enhance convenience and safety.
- Comfort (4)4 out of 5 starsThe interior is spacious and well-appointed, especially in the SLT trim. Seats are comfortable for long journeys, and the cabin remains relatively quiet at highway speeds, contributing to a pleasant experience for both driver and passengers.
- Dynamics (4)4 out of 5 starsThe 2021 GMC Sierra 1500 SLT offers a surprisingly composed ride for a full-size truck, with responsive steering and adequate power from its available engines. While not a sports car, it handles daily driving and light towing with confidence.
Seating:
- Seating Rows:2
- Standard Seating:6
- Max Seating:6
- Head Room (front):43in.
- Leg Room (front):44.5in.
- Shoulder Room (front):66in.
- Hip Room (front):61.2in.
- Head Room (rear):40.1in.
- Leg Room (rear):43.4in.
- Shoulder Room (rear):65.2in.
- Hip Room (rear):60.2in.
Measurements:
- Length:231.7in.
- Width:81.2in.
- Height:75.5in.
- Bed Length:69.9in.
- Ground Clearance:7.9in.
- Wheelbase:147.4in.
- Front Track:68.8in.
- Rear Track:68.3in.
Weight:
- Curb Weight:4,820lbs
- Gross Weight:6,900lbs
- Gross Combined Weight:15,000lbs
Wheels & Tires:
- Wheel Diameter:18.0 x 8.5in.
- Wheel Diameter (rear):18.0 x 8.5in.
- Tire:265/65R18
- Tire (rear):265/65R18
Performance:
- Power to Weight Ratio:13.58lbs/hp
- Turning Circle:46.3ft.
- Max Payload:2,040lbs
- Towing Capacity:9,700lbs
- Max Towing Capacity:11,200lbs
Fuel Tank:
- Fuel Tank Volume:24gallon
- Kelley Blue Book
Brand Image Awards: Most Refined Brand
- Auto Pacific
Highest Satisfaction: Popular Brand
- J.D. Power and Associates
Vehicle Dependability Study (VDS): Top Models
All warranties have now EXPIRED
- Corrosion Perforation6 years/100,000 miles
- Courtesy Transportation5 years/100,000 miles
- Diesel Engine Transferable Powertrain5 years/100,000 miles
- Roadside Assistance5 years/60,000 miles
- Transferable Powertrain5 years/60,000 miles
- Bumper to Bumper3 years/36,000 miles
- Corrosion3 years/36,000 miles
- First Scheduled Maintenance1 years/unlimited miles
| Corrosion Perforation | 6 years/100,000 miles |
| Courtesy Transportation | 5 years/100,000 miles |
| Diesel Engine Transferable Powertrain | 5 years/100,000 miles |
| Roadside Assistance | 5 years/60,000 miles |
| Transferable Powertrain | 5 years/60,000 miles |
| Bumper to Bumper | 3 years/36,000 miles |
| Corrosion | 3 years/36,000 miles |
| First Scheduled Maintenance | 1 years/Unlimited miles |
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Listed on April 23, 2026 (2 hours ago)
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