| Preferred Equipment Group 4SA | | Trailering Package |
| 6 Speakers | | 6-Speaker Audio System Feature |
| AM/FM radio: SiriusXM with 360L | | Not Equipped w/HD Radio |
| 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 |
| Heavy Duty Suspension | | Manual Tilt-Wheel & Telescoping Steering Column |
| 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 | | Delay-off headlights |
| Front fog lights | | Fully automatic headlights |
| Panic alarm | | Security system |
| Theft Deterrent System (Unauthorized Entry) | | Speed control |
| 170 Amp Alternator | | Auxiliary External Transmission Oil Cooler |
| Engine Block Heater | | Not Equipped w/Dynamic Fuel Management |
| Auto-dimming door mirrors | | Bumpers: chrome |
| Chrome Grille | | Chrome Wheel To Wheel Assist Steps |
| Heated door mirrors | | LED Cargo Area Lighting |
| Power door mirrors | | ProGrade Trailering System |
| Rear step bumper | | Rear Wheelhouse Liners |
| 4G LTE Wi-Fi Hotspot Capable | | AppLink/Apple CarPlay and Android Auto |
| Auto-dimming Rear-View mirror | | Color-Keyed Carpeting Floor Covering |
| Compass | | Driver door bin |
| Driver vanity mirror | | Front reading lights |
| GMC Connecte |
| 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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