This 2019 GMC Sierra 1500 AT4 delivers the capability and refinement you expect from a premium truck, ready to handle both work demands and weekend adventures with confidence.
- EcoTec3 5.3L V8 engine with 8-speed automatic transmission and 4WD
- AT4 Premium Package with off-road suspension and hill descent control
- Driver Alert Package II featuring forward collision alert, lane keep assist, lane departure warning, and low-speed forward automatic braking
- Heated and ventilated leather front seats with 10-way power adjusters and lumbar support
- Premium Bose 7-speaker sound system with GMC infotainment, Apple CarPlay, and Android Auto
- Spray-on pickup bed liner with AT4 logo
- 6 black rectangular assist steps
- Rear underseat lockable storage with composite storage bin
- Ultrasonic front and rear park assist with hitch guidance
- Rear cross traffic alert and front pedestrian braking
- Integrated trailer brake controller with in-vehicle trailering app
- Wireless charging and heated steering wheel
- Dual zone automatic climate control with rear window defogger
- Remote vehicle starter system with keyless open and start
- 18 machined aluminum wheels
The AT4 designation marks this Sierra as a truck built for serious capability. The off-road suspension and hill descent control provide genuine go-anywhere confidence, while the heavy-duty rear locking differential ensures traction when you need it most. Whether navigating city streets or tackling rough terrain, this truck responds with authority and control.
Inside, the cabin reflects careful attention to comfort and technology. The heated and ventilated leather seats keep you comfortable through changing seasons, while the 10-way power adjusters with lumbar support ensure you find your ideal driving position. The premium Bose audio system paired with the intuitive GMC infotainment interface transforms your daily commute into an enjoyable experience.
Safety remains a priority with the advanced Driver Alert Package II. Forward collision alert, lane keep assist with lane departure warning, and low-speed forward automatic braking work together to help keep you aware and protected. The safety alert seat provides an additional layer of awareness for potential hazards.
Practicality meets sophistication throughout this truck. The spray-on bed liner protects your cargo area, while the integrated trailer brake controller and in-vehicle trailering app make towing straightforward. The rear underseat storage with its lockable lid provides secure organization for valuables or gear, keeping your cab organized and uncluttered.
With 15 city MPG and 20 highway MPG, this Sierra balances power with reasonable fuel efficiency for its class. The 170-amp alternator and auxiliary transmission oil cooler ensure the truck operates reliably under demanding conditions.
We invite you to experience this 2019 GMC Sierra 1500 AT4 firsthand. Contact us to schedule a test drive and discover why this truck stands out in its segment.

