2021 GMC Sierra 1500

This 2021 GMC Sierra 1500 AT4 represents a capable work truck that delivers genuine utility with purposeful design and reliable performance for buyers who demand a vehicle ready for any job.

This Sierra 1500 AT4 comes equipped with features built for both work and daily driving:

- Power sunroof with Cayenne Red Tintcoat exterior
- 20 machined aluminum wheels with carbon grey metallic accents
- AT4 Preferred Package including 8 Premium GMC Infotainment with navigation
- Bose Premium Audio System with SiriusXM 360L
- Wireless charging and universal home remote
- ProGrade Trailering System with integrated trailer brake controller and hitch guidance
- Spray-on pickup bed liner with AT4 logo
- Heated and ventilated front seats with 10-way power adjusters
- Remote vehicle starter and keyless open and start
- 120-volt bed and instrument panel power outlets
- Hill descent control and auto-locking rear differential
- Heated steering wheel and power sliding rear window

Under the hood sits an EcoTec3 5.3L V8 engine paired with a 10-speed automatic transmission and 4WD capability, providing the power needed for demanding tasks while delivering an estimated 15 city and 21 highway MPG. The off-road suspension and AT4-specific design elements ensure this truck handles challenging terrain with confidence.

The truck's interior reflects thoughtful planning for functionality. The cabin features power-adjustable front seats with heating and ventilation, a driver information center with 4.2 color display, and multiple USB charging ports throughout. Climate control includes automatic temperature management with front dual zone air conditioning and rear window defogger for year-round comfort.

Safety and security systems include electronic stability control, traction control, brake assist, and a full suite of airbags. The HD rear vision camera helps with backing and parking, while the theft deterrent system provides peace of mind. Deep-tinted glass and power door mirrors with heating add convenience to daily operation.

With approximately 35,457 miles on the odometer, this Sierra 1500 AT4 remains well within its prime years. The combination of proven engineering, comprehensive equipment package, and recent model year makes this truck a solid choice for buyers seeking reliability with modern conveniences.

Thank you for visiting McKenzie Buick GMC. Proudly serving the Milton community since 1967, we're committed to delivering a straightforward, transparent buying experience every step of the way. Conveniently located near Blackwater Bay at 6500 Caroline Street (Highway 90 at the Highway 89 Bypass), we offer a full selection of competitively priced new and pre-owned cars, trucks, and SUVs. Whether you're shopping, servicing, or ordering parts, our team is here to help with no surprises—just honest, reliable service. Reach out anytime or come experience the McKenzie Advantage for yourself