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This 2021 GMC Sierra 1500 AT4 in blue represents a capable and well-equipped truck built for both work and daily driving. With its EcoTec3 5.3L V8 engine paired with a 10-speed automatic transmission and 4WD capability, this Sierra delivers the performance and traction you need for varied driving conditions.

- EcoTec3 5.3L V8 Engine with 10-Speed Automatic
- 4WD with Auto-Locking Rear Differential and Off-Road Suspension
- Crew Cab with Front Bucket Seats and Heated Front Seating
- Premium GMC Infotainment System with Apple CarPlay and Android Auto
- SiriusXM with 360L Satellite Radio
- Spray-On Pickup Bed Liner with AT4 Logo
- ProGrade Trailering System with Integrated Trailer Brake Controller
- HD Rear Vision Camera with Hitch Guidance and Hitch View
- Remote Vehicle Starter System and Keyless Open & Start
- Automatic Temperature Control with Dual Zone A/C
- Heated Steering Wheel and Auto-Dimming Mirrors
- Goodyear Wrangler DuraTrac LT275/65R18C Tires
- Black Sport Step and Illuminated Front GMC Emblem
- 120-Volt Bed Mounted and Instrument Panel Power Outlets
- Front Fog Lights and Fully Automatic Headlights

The AT4 trim stands out with its focus on off-road capability and comfort. The off-road suspension combined with hill descent control ensures you can tackle challenging terrain with confidence. The truck bed includes a spray-on liner protecting your cargo, while the red recovery hooks are ready for any situation requiring extra pulling power.

Inside, the crew cab provides a spacious and welcoming environment. Heated and ventilated front seats adjust via 10-way power controls with lumbar support for long drives. The premium GMC infotainment system offers intuitive control with a multi-touch interface, smartphone integration through Apple CarPlay and Android Auto, and satellite radio entertainment throughout your journey.

Trailering capability is built into this Sierra with the ProGrade system featuring an integrated trailer brake controller and hitch guidance with a dedicated hitch view camera. The in-vehicle trailering app provides additional support when you need it. Fuel efficiency comes in at 15 city and 21 highway miles per gallon, making this V8-powered truck reasonable for its class and capability.

This truck combines rugged functionality with refined comfort, making it suitable for owners who demand both capability and daily-use convenience. The AT4 package represents a thoughtful balance between work-ready features and lifestyle appeal.

* All of our cars go through our Twin Pine Certified Process * While every reasonable effort is made to ensure the accuracy of this information, we are not responsible for any errors or omissions contained on these pages. Please verify any information in question with Twin Pine Ford (717)-733-FORD *Prices DO NOT include: taxes, tags, registration, license, and title fee* Twin Pine Ford will only accept outside 3rd Party financing in the event we cannot match customers Pre-Approved rate. (See dealer for details.)

Disclaimer: We are not able to finance customers from the following states: Alaska, Arizona, California, Iowa, Kansas, Minnesota, North Dakota, South Dakota, Oklahoma, Ohio and/or Tennessee. However, these customers are welcome to secure their own financing.