2021 GMC Sierra 1500 Accessories & Parts
2021 GMC Sierra 1500 Parts
Brakes- Suspension
- Exhaust
- Driveline & Axles
- Engine Cooling
- A/C & Heating
- Air Intake
- Engine
- Steering
- Fuel Delivery
- Transmission
- Starting & Charging
- Emission Control
- Ignition
- Electrical
- Wipers & Washers
- Turbo & Superchargers
- Performance Chips
- Oils, Fluids, Lubricants
- Power Adders
- Racing Gear
- Repair Manuals
2021 GMC Sierra 1500 Wheels & Tires
2021 GMC Sierra 1500 Exterior Accessories
- Running Boards
- Off-Road Bumpers
- Custom Hoods
- Towing & Hitches
- Body Kits
- Mirrors
- Grille Guards
- Bed Accessories
- Chrome Trim
- Bug Deflectors
- Spoilers
- Commercial Van Equipment
- Custom Grilles
- Tonneau Covers
- Wind Deflectors
- Fender Flares
- Roof Racks
- Winches
- Car Covers
- Car Bras
- Bike Racks
- Light Covers
- Wiper Blades
- Mud Flaps
- License Plates & Frames
- Armor & Protection
- Car Wraps
- Emblems & Logos
- Sunroof Visors
- Spare Tire Covers & Carriers
- Custom Horns
- Car Tents
- Snow Plows
- Auto Detailing
2021 GMC Sierra 1500 Automotive Lighting
2021 GMC Sierra 1500 Body Parts
2021 GMC Sierra 1500 Interior Accessories
2021 GMC Sierra 1500 Maintenance
2021 GMC Sierra 1500 Audio & Electronics
2021 GMC Sierra 1500 Automotive Tools
- Diagnostic & Testing Tools
- Engine Service Tools
- Pullers & Installers
- Suspension & Steering Service Tools
- Oil Change Tools
- A/C Tools & Equipment
- Spark Plug & Ignition Tools
- Cooling System Service Tools
- Automotive Lifts & Stands
- Fuel System Service
- Wheel & Tire Service Tools
- Jacks
- Brake Service Tools
- Lockout Kits
- Exhaust System Service Tools
- Auto Glass Tools
- Electrical System Tools
- Transmission & Drivetrain Service Tools
- EV Charging
- Automotive Paint
- Repair Manuals
- Battery Chargers & Jump Starters
- Creepers
- Key Cutting Machines
- Dollies & Movers
- Auto Detailing
- Dent Repair Tools
- Service Carts
- Vehicle & Parts Protection
Popular Accessories
2021 GMC Sierra 1500 Specifications
| Submodel | Base, Elevation, SLE, SLT, AT4, Denali | ||||
|---|---|---|---|---|---|
| Body Type | 2-door Regular Cab 4-door Double Сab 4-door Crew Сab | ||||
| Engine | 2.7-liter 4-inline (Turbocharged) | 3.0-liter 6-inline | 4.3-liter V6 Ecotec V-6 VVT DI | 5.3-liter V8 Ecotec3 | 6.2-liter V8 Ecotec3 |
| Power | 310 hp @ 5600 rpm | 277 hp @ 3750 rpm | 285 hp @ 5300 rpm | 355 hp @ 5600 rpm | 420 hp @ 5600 rpm |
| Torque | 348 lb-ft @ 1500 rpm / 472 Nm | 460 lb-ft @ 1500 rpm / 624 Nm | 305 lb-ft @ 3900 rpm / 414 Nm | 383 lb-ft @ 4100 rpm / 519 Nm | 460 lb-ft @ 4100 rpm / 624 Nm |
| Fits to: | Base Elevation SLE | AT4
Denali Elevation SLE SLT | Base | AT4
Base Denali Elevation SLE SLT | AT4 Denali SLT |
| Fuel | GAS | Diesel | GAS | GAS | GAS |
| Transmission | 8-speed Automatic | 10-speed Automatic | 8-speed Automatic | 8-speed Automatic | 10-speed Automatic |
| Drivetrain | RWD / 4WD | ||||
| Top Speed | 100 mph | ||||
| Weight | 4500 - 5000 lbs | ||||
| GVWR | 6800 lbs | ||||
| Payload | Regular Cab: 2060 – 2240 lbs Double Сab: 2020 – 2160 lbs Crew Сab: 1950 – 2140 lbs | ||||
| Towing/Trailering | Regular Cab: 7700 – 10000 lbs Double Сab: 6600 – 12200 lbs Crew Сab: 6500 – 12100 lbs | ||||
| Cargo Vol | 62.9 cu-ft | ||||
| Front Legroom | 44.53 in | ||||
| Back Legroom | 43.40 in | ||||
| Wheelbase | Regular Cab - 139.6 in Double Сab - 147.4 in (6 ft 6 in box) Crew Сab -147.4 in (5 ft 7.5 in box), 157 in (6 ft 6 in box) | ||||
| Width | 81.2 in | ||||
| Length | Regular Cab - 229.6 in Double Сab - 231 in (6 ft 6 in box) Crew Сab - 231.7 in (5 ft 7.5 in box, 241.2 in (6 ft 6 in box) | ||||
| Height | 75.5 in | ||||
| Bed Length | Regular Cab - Long Box 98.2 in Double Cab - Standard Box 79.2 in Crew Cab - SB 69.0 in, LB 79.2 in | ||||
| Tire Size | 275/55 R20 255/70 R17 265/65 R18 | ||||
| Wheel Bolt Pattern | 6x139.7 mm | ||||
| Suspension | Front: independent, short/long arm
Rear: leaf springs | ||||
| Brake | 4-wheel antilock disc brakes with DuraLife rotors | ||||
| Seats | Regular Cab - 2 seats Double Сab - 5 (6) seats Crew Cab - 5 (6) seats | ||||
| MPG (Combined) | N/A | N/A | 21 mpg | 20 mpg | 18 mpg |
| Tank Capacity | 24 gal | ||||
| Warranty | Basic: 3 Years/36,000 Miles Drivetrain: 5 Years/60,000 Miles Corrosion: 3 Years/36,000 Miles Roadside Assistance: 5 Years/60,000 Miles Maintenance: 1 Year/1 Visit | ||||
| Safety Rating | NHTSA 5 Stars Overall Rating | ||||