Used 2021 GMC Sierra 2500HD - Specs & Features
Most Popular
Denali 4dr Crew Cab 4WD SB
6.6L 8cyl 6A
Starting MSRP
$64,900
| Overview Gas Engine | |
|---|---|
| Engine Type | Gas |
| Transmission | 6-speed shiftable automatic |
| Drive Type | Four wheel drive |
| Cylinders | V8 |
| Total Seating | 5 |
| Basic Warranty | 3 yr./ 36,000 mi. |
| Fuel & MPG | |
|---|---|
| Fuel type | Regular unleaded |
| Range in miles (city/hwy) | 0/0 mi. |
| Fuel tank capacity | 36.0 gal. |
| Engine | |
|---|---|
| Base engine size | 6.6 L |
| Cylinders | V8 |
| Base engine type | Gas |
| Horsepower | 401 hp @ 5,200 rpm |
| Torque | 464 lb-ft @ 4,000 rpm |
| Valves | 16 |
| Cam type | Overhead valves (OHV) |
| Valve timing | Variable |
| Direct injection | Standard |
| Towing & Hauling | |
|---|---|
| Max Towing Capacity | 18,500 lbs. |
| Max Payload Capacity | 3,760 lbs. |
| Drivetrain | |
|---|---|
| Transmission | 6-speed shiftable automatic |
| Drive type | Four wheel drive |
| On demand 4WD | Standard |
| Electronic hi-lo gear selection | Standard |
| Automatic locking hubs | Standard |
| Rear locking differential | Standard |
| Descent control | Standard |
| Suspension | |
|---|---|
| Front independent suspension | Standard |
| Stabilizer bar stabilizer bar | Standard |
| Dimensions | |
|---|---|
| Length | 250.1 in. |
| Overall width without mirrors | 81.9 in. |
| Height | 79.8 in. |
| Wheelbase | 158.9 in. |
| Bed length | 82.2 in. |
| Turning circle | 52.7 ft. |
| Ground clearance | 10.1 in. |
| Curb weight | 6,852 lbs. |
| Maximum towing capacity | 18,500 lbs. |
| Maximum payload | 3,760 lbs. |
| Gross weight | 10,650 lbs. |
| Country of final assembly | United States |
| Colors | |
|---|---|
| Exterior Colors |
|
| Interior Colors |
|
| Front Seat Dimensions | |
|---|---|
| Front head room | 43.0 in. |
| Front leg room | 44.5 in. |
| Front shoulder room | 66.0 in. |
| Front hip room | 61.2 in. |
| Premium leather | Standard |
| Bucket front seats | Standard |
| 8-way power driver seat | Standard |
| Height adjustable driver seat | Standard |
| Driver seat with power adjustable lumbar support | Standard |
| 2 memorized driver seat settings | Standard |
| 8-way power passenger seat | Standard |
| Height adjustable passenger seat | Standard |
| Passenger seat with power adjustable lumbar support | Standard |
| Multi-level heated driver seat | Standard |
| Multi-level heated passenger seat | Standard |
| Ventilated driver seat | Standard |
| Ventilated passenger seat | Standard |
| Rear Seat Dimensions | |
|---|---|
| Rear head room | 39.9 in. |
| Rear leg room | 43.4 in. |
| Rear shoulder room | 65.3 in. |
| Rear hip room | 60.2 in. |
| Split-folding rear seatback | Standard |
| Folding center armrest | Standard |
| Multi-level heated | Standard |
| Safety | |
|---|---|
| Blind spot and lane departure warnings accident avoidance system | Standard |
| Rear cross traffic alert | Standard |
| Pre-collision safety system | Standard |
| Post-collision safety system | Standard |
| Dual front side-mounted airbags | Standard |
| Front and rear head airbags | Standard |
| Passenger airbag occupant sensing deactivation | Standard |
| Stability control | Standard |
| Traction control | Standard |
| Child seat anchors | Standard |
| Rear door child safety locks | Standard |
| 4-wheel ABS | Standard |
| Front and rear ventilated disc brakes | Standard |
| Tire pressure monitoring | Standard |
| Dusk sensing headlamps | Standard |
| Auto delay off headlamps | Standard |
| LED headlamp | Standard |
| Daytime running lights | Standard |
| Front fog/driving lights | Standard |
| Turn signal mirrors | Standard |
| 2 front headrests | Standard |
| Front height adjustable headrests | Standard |
| 2 rear headrests | Standard |
| Rear height adjustable headrests | Standard |
| Rear center 3-point belt | Standard |
| Remote anti-theft alarm system | Standard |
| Engine immobilizer | Standard |
| In-Car Entertainment | |
|---|---|
| AM/FM stereo | Standard |
| Bose premium brand speakers | Standard |
| 7 total speakers | Standard |
| 1 subwoofer(s) | Standard |
| Android Auto/Apple CarPlay | Standard |
| USB connection | Standard |
| Auxiliary audio input and USB with external media control | Standard |
| Memory card slot | Standard |
| Satellite radio satellite radio | Standard |
| Speed sensitive volume control | Standard |
| Power Feature | |
|---|---|
| 4 one-touch power windows | Standard |
| Hands-free entry | Standard |
| Heated mirrors | Standard |
| Comfort & Convenience | |
|---|---|
| Keyless ignition | Standard |
| Tilt and telescopic steering wheel | Standard |
| Audio and cruise controls on steering wheel | Standard |
| Power steering | Standard |
| Rear view camera | Standard |
| Front and rear parking sensors | Standard |
| Wireless charging | Standard |
| Cruise control | Standard |
| Universal remote transmitter (for garage door, security system, etc.) | Standard |
| Front and rear cupholders | Standard |
| Front and rear door pockets | Standard |
| Front seatback storage | Standard |
| Leather steering wheel | Standard |
| Heated steering wheel | Standard |
| Dual zone front climate control | Standard |
| Rear ventilation ducts | Standard |
| Sun sensor | Standard |
| Dual illuminating vanity mirrors | Standard |
| Electrochromatic inside rearview mirror | Standard |
| Turn signal in mirrors | Standard |
| Instrumentation | |
|---|---|
| Trip computer | Standard |
| Compass | Standard |
| External temperature display | Standard |
| Tachometer | Standard |
| Clock | Standard |
| Tires & Wheels | |
|---|---|
| Polished alloy wheels | Standard |
| 20 in. wheels | Standard |
| All terrain tires | Standard |
| LT275/65R20 tires | Standard |
| Fullsize non-matching spare tire | Standard |
| Underbody mounted spare tire | Standard |
| Telematics | |
|---|---|
| Emergency Service | Standard |
| Airbag Deployment Notification | Standard |
| Stolen Vehicle Tracking/Assistance | Standard |
| Hands-Free Calling | Standard |
| Roadside Assistance | Standard |
| Concierge Service | Standard |
| Destination guidance (also Turn-by-Turn Navigation) | Standard |
| Destination Download | Standard |
| Warranty | |
|---|---|
| Basic | 3 yr./ 36,000 mi. |
| Drivetrain | 5 yr./ 60,000 mi. |
| Rust | 6 yr./ 100,000 mi. |
| Roadside assistance | 5 yr./ 60,000 mi. |
| Free maintenance | 1 yr./ unlimited mi. |
| Mechanical Options | |
|---|---|
| Trailer Tire Pressure Monitor Sensors | +$50 |
| High Idle Switch | +$200 |
| Gooseneck Hitch Package | +$295 |
| Engine Block Heater | +$100 |
| Heavy Duty Front Spring/Camper Package | +$45 |
| Gooseneck/5th Wheel Prep Package | +$545 |
| Auxiliary Battery | +$135 |
| Trailering Wiring Provisions | +$35 |
| Dual Alternators | +$380 |
| 220 Amp Alternator | +$150 |
| Duramax 6.6L Turbo-Diesel V8 Engine | +$9,750 |
| Packages | |
|---|---|
| Snow Plow Prep/Camper Package | +$300 |
| Denali Black Diamond Edition | +$2,990 |
| GMC Protection Package | +$370 |
| Technology Package | +$1,475 |
| Denali Ultimate Package | +$1,770 |
| Cargo Convenience Package | +$515 |
| Interior Options | |
|---|---|
| Lockable Console Vault | +$295 |
| Console Insert Organizer Tray | +$70 |
| Premium Front Floor Liners | +$130 |
| Rear Under Seat Storage | +$275 |
| All-Weather Floor Liner | +$210 |
| Exterior Options | |
|---|---|
| Black Front and Rear Molded Splash Guards | +$190 |
| Tri-fold Soft Tonneau Cover | +$700 |
| 20" Chrome Aluminum Wheels | +$2,995 |
| 20" High Gloss Black Painted Wheels | +$1,995 |
| Power Glass Sunroof | +$995 |
| 20" High Gloss Black Aluminum Wheels w/Machined Finish | +$1,995 |
| 20" Chrome Aluminum Wheels | +$2,995 |
| Body Color Wheel Arch Moldings | +$685 |
| Bedside Storage Boxes | +$1,250 |
| Tri-Fold Hard Tonneau Cover | +$1,100 |
| Auxiliary Trailer Camera | +$595 |
| Power Retractable Assist Steps | +$1,100 |
| GMC MultiPro Tailgate Step Lights | +$200 |
| Cargo Tie-Down Rings | +$105 |
| MultiPro Audio System by Kicker | +$815 |
| Front License Plate Kit | +$0 |
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