2025
GMC SIERRA 1500 AT4 4X4 CREW CAB 6.6 FT. BOX

Rugged yet refined, the all-new 2025 GMC Sierra 1500 AT4 is designed to conquer off-road terrain while offering upscale comfort and advanced tech. With bold styling, rugged enhancements, and capable performance, this truck balances adventure-ready toughness with everyday usability.

Performance & Capability

• 2.7L TurboMax engine delivering 310 hp and 430 lb‑ft of torque

• Smooth 8-speed automatic transmission with selectable drive modes (including Off‑Road and Terrain)

• Standard 4WD with two-speed transfer case and front and rear locking differentials

• Factory off‑road suspension with Rancho® monotube shocks

• Tows up to 12,200 lb (when properly equipped) and payloads around 2,000 lb

Exterior Features

• Rugged AT4 styling featuring a darkened grille, red tow hooks, and skid plates

• 20″ black aluminum wheels wrapped in heavy‑duty all-terrain tires

• LED projector headlamps, fog lamps, and lighted assist steps

• Bed-mounted camera, corner‑step rear bumper, and optional power tailgate

• Black tubular assist steps and roof‑mounted LED forward lighting (optional)

Interior Comfort & Convenience

• Jet‑Black leather-appointed front seats with red contrast stitching

• Heated and ventilated front seats with heated rear outboard rear seats

• Dual-zone automatic climate control and heated leather-wrapped steering wheel

• Spacious Crew‑Cab design with fold-flat rear seats and in‑floor storage options

• Keyless entry, push-button start, and auto-dimming rearview mirror

Tech & Connectivity

• 13.4″ GMC Premium Infotainment touchscreen with available navigation

• 12.3″ digital driver information display featuring Off‑Road pages and trail maps

• Wireless Apple CarPlay® and Android Auto™; available Wi‑Fi hotspot

• Surround Vision camera system, HD trailering camera, and Bed View camera

• Full suite of GMC Pro Safety Plus features: adaptive cruise, lane keep assist, automatic braking, blind-spot steering assist