2025 GMC Sierra
The 2025 GMC Sierra stands out with powerful performance, cutting-edge technology, and professional-grade capability. From work-ready options to luxury-inspired trim levels, there's a Sierra built for every driver's needs right here at our Johnstown GMC dealership.
GMC Sierra 1500 Pro
- 17" Silver painted steel wheels with all-season blackwall tires
- 3.5" diagonal monochromatic display Driver Information Center
- 7" diagonal color touchscreen GMC Infotainment System
- Automatic Stop/Start
- Grille with chrome header and flat black insert bars
- LED Headlamps, Taillamps, and Daytime Running Lamps
- TurboMax™ Engine
GMC Sierra 1500 SLE
- 12.3" diagonal color Driver Information Center
- 13.4" diagonal GMC Premium Infotainment System with Google built-in
- 3.0L Duramax® Turbo Diesel engine (Available)
- 5.3 EcoTec3 V8 engine (Available)
- 8-speed automatic transmission (Standard)
- Available Hitch View
- Cruise Grade Braking
- Heated driver and front outboard passenger seats
- Powertrain Grade Braking
- TurboMax™ engine
GMC Sierra 1500 Elevation
- 12.3-inch Diagonal Driver Information Center
- 13.4-inch Diagonal Center Touch Screen
- 3.0 L Duramax® Turbo Diesel engine (Available)
- 5.3 EcoTec3 V8 engine (Available)
- Available power sunroof
- Black Polished Front Grill, Black Polished Mirror caps, Black Polished Rims (Standard)
- Dual-zone automatic climate control
- Heated driver and front outboard passenger seats
- Heated steering wheel
- Leather Interior (Available)
- TurboMax™ engine
GMC Sierra 1500 SLT
- 18" 6-spoke machined aluminum wheels with Dark Grey Metallic accents
- 3.0L Duramax® Turbo Diesel engine (Available)
- 5.3L EcoTec3 V8 engine (Standard)
- 6.2L EcoTec3 V8 engine (Available)
- Available GMC MultiPro tailgate Step Lights
- Black vertical recovery hooks
- Bose Sound System (Available)
- Cargo bed LED lighting
- Heated driver and front outboard passenger seats (Available)
GMC Sierra 1500 AT4
- 18" LT275/65R18C Mud-Terrain Goodyear® Wrangler Territory blackwall tires
- 3.0L Duramax® Turbo Diesel engine (Standard)
- 6.2L EcoTec3 V8 engine (Available)
- 10-speed automatic transmission with Electronic Precision shift
- Font bucket seats
- Heated driver and front outboard passenger seats (Available)
- Integrated trailer brake controller
- Tailgate with EZ Lift assist, power lock & release
GMC Sierra 1500 Denali
- 20" multi-dimensional polished aluminum wheels
- 3.0L Duramax® Turbo Diesel engine (Available)
- 5.3L EcoTec3 V8 engine (Standard)
- 6.2L EcoTec3 V8 engine (Available)
- 10-speed automatic transmission with Electronic Precision shift
- Available CarbonPro Bed
- Available GMC MultiPro Power Steps
- Available Super Cruise driver assistance technology
- Font bucket seats
- Heated driver and front outboard passenger seats (Available)
- Premium interior with Adaptive Ride Control
- Signature Denali styling
GMC Sierra 1500 AT4X
- 3.0L Duramax® Turbo Diesel engine (Standard)
- 6.2L EcoTec3 V8 engine (Available)
- 10-speed automatic transmission with Electronic Precision shift
- Available Off-Road High Clearance Steps
- Bose® Premium Series with 12-speaker system
- Factory 2" lift
- Font bucket seats
- Multimatic DSSV Dampers
- Ventilated driver and front passenger seats
GMC Sierra 1500 Denali Ultimate
- 12-speaker Bose Premium Series with Centerpoint Surround Sound
- 22-inch x 7-spoke Ultra Bright Machined Aluminum Wheels with Bright Chrome Accents
- Available CarbonPro™ Composite Bed
- Available Enhanced 3.0L Duramax® Turbo Diesel engine
- Available Super Cruise Hands-Free Driver Assistance Technology
- Heated and ventilated 16-way Power Front Seats with Massage
- Signature Denali Vader Chrome Grille
- Standard 6.2-liter V8 Gas Engine
- Suede Headliner
Test Drive the 2025 Sierra at a GMC Dealership Near Portage, PA
We have a large selection of 2025 GMC Sierra models available in our inventory, and you're invited to our Thomas GMC dealer for a test drive! Feel free to shop online or visit us to shop in person. You can also stop by our finance center if you've already found the perfect truck, or simply fill out a finance application online to get a head start. Contact us online with any questions about the new GMC Sierra for sale.