| Off-Road Performance Package (DISC) | | Performance Upgrade Package (LPO) (DISC) |
| Preferred Equipment Group 4SB | | Trailering Package |
| 6 Speakers | | 6-Speaker Audio System Feature |
| AM/FM radio: SiriusXM with 360L | | 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 | | 120-Volt Bed Mounted Power Outlet |
| 120-Volt Instrument Panel Power Outlet | | 12-Volt Rear Auxiliary 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 | | Auto-Locking Rear Differential |
| Electrical Lock Control Steering Column | | 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 |
| Panic alarm | | Security system |
| Theft Deterrent System (Unauthorized Entry) | | Speed control |
| Auxiliary External Transmission Oil Cooler | | Heavy-Duty Air Filter |
| Not Equipped w/Automatic Stop/Start | | Auto-dimming door mirrors |
| Black Sport Step (LPO) | | Body-Color Surround Grille |
| Bumpers: body-color | | Cat-Back Performance Exhaust (LPO) |
| Front License Plate Kit | | Heated door mirrors |
| LED Cargo Area Lighting | | Performance Air Intake System (LPO) (DISC) |
| Power door mirrors | | ProGrade Trailering System |
| Rear step bumper | | Rear Wheelhouse Liners |
| Spray-On Pickup Bed Liner w/AT4 Logo | | 2 USB Ports |
| 2 USB |
| 2021 GMC Sierra 1500 |
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| 2021 GMC Sierra 1500 |
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| 2021 GMC Sierra 1500 |
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| 2021 GMC Sierra 1500 |
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| 2021 GMC Sierra 1500 |
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| 2021 GMC Sierra 1500 |
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