Used 2020 GMC Sierra 3500 HD Crew Cab AT4 Pickup 4D 6 1/2 Ft
Pricing
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Values and Prices
Fair Purchase Price is determined by collecting thousands of actual consumer vehicle purchase prices, plus data from national vehicle registration databases and several other reliable third-party sources.
Estimated Values
Condition | Trade-In Value | Private Party Value | ||
|---|---|---|---|---|
Excellent | $37,150 | $39,630 | ||
Very Good | $36,550 | $39,030 | ||
Good | $35,850 | $38,330 | ||
Fair | $34,150 | $36,430 |
Estimated Trade-In Values for the 2020 GMC Sierra 3500 HD Crew Cab AT4 Pickup 4D 6 1/2 ft range from about $34,150 to $37,150 depending on vehicle condition. Estimated Private Party Values range from about $36,430 to $39,630 depending on vehicle condition. Valid for ZIP Code 65801 through 9/20/2026.
2020 GMC Sierra 3500 HD Crew Cab AT4 Pickup 4D 6 1/2 ft Depreciation
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2020 GMC Sierra 3500 HD Crew Cab AT4 Pickup 4D 6 1/2 Ft Annual Depreciation
Year | Vehicle Depreciation* | Resale Value | Trade-In Value | ||
|---|---|---|---|---|---|
2023 | $7,254 | $53,599 | $51,137 | ||
2024 | $9,195 | $44,404 | $42,334 | ||
2025 | $1,342 | $43,062 | $41,565 | ||
Now | $4,462 | $38,600 | $36,100 |
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2-Year Forecasted Depreciation
*Depreciation for the last 12 months of the private party resale value.
2020 GMC Sierra 3500 HD Crew Cab AT4 Pickup 4D 6 1/2 Ft Depreciation
Annual Depreciation is an estimation of what your vehicle's value might be over time based on an average of similar vehicles. Estimations are calculated by comparing Kelley Blue Book Private Party Values of vehicles similar to yours over time, as well as forecasts from Manheim Auction data comparing current and projected auction values against current Kelley Blue Book Private Party and Trade-In Values. This is not a guarantee of actual depreciation. Local weather conditions, market factors and driver performance will also impact your vehicle's actual depreciation.
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Specifications
Dimensions, Weights & Capacities
Curb Weight | 6947 lbs. | ||
|---|---|---|---|
Fuel Capacity | 36.0 gallons | ||
Front Head Room | 43.0 inches | ||
Front Leg Room | 44.5 inches | ||
Max Seating Capacity | 0 | ||
Minimum Ground Clearance | 11.2 inches | ||
Overall Length | 250.1 inches | ||
Front Shoulder Room | 66.0 inches | ||
Towing Capacity, Maximum | 14500 lbs. | ||
Turning Diameter | 52.7 feet | ||
Wheel Base | 158.9 inches | ||
Truck Bed Volume | 61 cu.ft. | ||
Bed Length | 6.50 feet | ||
Gross Vehicle Weight Rating (GVWR) | 11350 lbs. | ||
Payload Capacity | 4365 lbs. |
Exterior
Alloy Wheels | Available | ||
|---|---|---|---|
Fog Lights | Available | ||
HID Headlights | Available | ||
Moon Roof/Sun Roof | Available | ||
Number of Doors | 4 doors | ||
Privacy Glass | Available | ||
LED Headlights | Available |
Mechanical
Drivetrain | 4WD | ||
|---|---|---|---|
Transmission Type | Automatic | ||
6 speed | Available | ||
Recommended Fuel | Regular | ||
Hill Descent Control | Available | ||
Hill Start Assist | Available | ||
Parking Assist System | Available |
Performance
Engine | V8, 6.6 Liter |
|---|
Warranty
Basic | 3 years / 36000 miles | ||
|---|---|---|---|
Powertrain | 5 years / 60000 miles | ||
Corrosion | 6 years / 100000 miles |
2020 GMC Sierra 3500 HD Crew Cab AT4 Pickup 4D 6 1/2 ft Standard Features
2020 GMC Sierra 3500 HD Crew Cab
KBB.com Review
Kbb.com Expert Rating
All-new truck: bigger, stronger, more powerful. Max tow rating of 35,500 pounds. 6.6-liter diesel V8 mates to a 10-speed Allison transmission. Enhanced ProGrade trailering system. New AT4 off-road model.
Top models can get very expensive. Interior is roomy but not up to Ram standards.
2020 GMC Sierra 3500 HD Crew Cab
KBB.com Consumer Reviews
Consumer Rating
2020 GMC Sierra 3500 HD Crew Cab AT4 Pickup 4D 6 1/2 ft Safety
Safety Features & Technology
Compare to Similar Vehicles
 Used 2020 GMC Sierra 3500 HD Crew Cab AT4 Pickup 4D 6 1/2 ft |  Used 2026 Ford F150 SuperCrew Cab |  Used 2020 Toyota Tundra | ||
|---|---|---|---|---|
| Price | $40,500 | $42,600 | $42,000 | |
| KBB.com Rating | 4.3 | 4.7 | 3.7 | |
| Consumer Rating | 4.2 | 4.2 | 4.6 | |
| Fuel Economy | N/A | City 18/Hwy 24/Comb 20 MPG | City 13/Hwy 17/Comb 14 MPG | |
| Fuel Type | Gas | Gas | N/A | |
| Safety Rating | N/A | 5.0 | 4.0 | |
| Seating Capacity | N/A | 5 | 5 | |
| Basic Warranty | 3 years or 36000 miles | 3 years or 36000 miles | 3 years or 36000 miles | |
| Horsepower | N/A | 325 @ 5000 RPM | 381 @ 5600 RPM | |
| Engine | V8, 6.6 Liter | V6, EcoBoost, Twin Turbo, 2.7 Liter | V8, 5.7 Liter | |
| Drivetrain | 4WD | 4WD | 4WD |