2025 GMC Sierra HD 2500 Interior: Dimensions & Features

Are you a new GMC enthusiast curious about the 2025 GMC Sierra HD interior details? We have all the information you’re looking for outlined in this detailed guide. This popular truck is ready to take your Cibolo and San Antonio drives to new heights with the best features and amenities on the market. Read on to learn more and then apply for financing online with our easy-to-use form. We look forward to welcoming you into the GMC family!

2025 GMC Sierra HD Interior Dimensions

The 2025 GMC Sierra 2500 is exceptionally roomy. Whether you need to drive your Schertz family around town or run a small office out of your cabin at the construction site, the Sierra is more than spacious enough to accommodate your needs. That said, the Sierra 2500 is available with three different cabins, each of which has unique dimensions. Compare the GMC Sierra HD interior dimensions for each cabin below:

Regular Cab

• Front/Rear Headroom: 43.11/40.12 inches
• Front/Rear Legroom: 44.53/43.40 inches
• Front/Rear Shoulder Room: 66.06/65.30 inches
• Front/Rear Hip Room: 60.90/60.24 inches
• Passenger Capacity: 3

Double Cab

• Front/Rear Headroom: 43.03/39.88 inches
• Front/Rear Legroom: 44.53/35.24 inches
• Front/Rear Shoulder Room: 66.02/64.88 inches
• Front/Rear Hip Room: 61.18/60.24 inches
• Passenger Capacity: 6

Crew Cab

• Front/Rear Headroom: 43.03/40.12 inches
• Front/Rear Legroom: 44.53/43.40 inches
• Front/Rear Shoulder Room: 66.02/65.03 inches
• Front/Rear Hip Room: 61.18/60.24 inches
• Passenger Capacity: 6

2025 GMC Sierra HD Interior Features

Inside the robust GMC Sierra 2500 interior, you’ll find top-shelf amenities, some of the most cutting-edge technologies in automotive, and premium materials. Let’s explore just a few of the highlights among a long list of standard and available interior features:

• 10-way power driver seat with power lumbar
• 10-way power front passenger seat
• 120-volt box-mounted power outlet
• 120-volt power outlet
• HD Rear Vision Camera
• HD Surround Vision
• Head-Up Display
• 13.4-inch diagonal GMC Premium Infotainment System with Google built-in
• Dark Walnut/Slate, Perforated Leather-appointed front outboard seating positions
• Dual-zone automatic climate control
• 60/40 split-folding rear bench seat
• Alpine Umber, Full Grain Leather seat trim
• Wi-Fi® hotspot capable
• Wireless charging
• 12-volt auxiliary front power outlet
• 12.3-inch diagonal color Driver Information Center
• Wireless phone projection
• Wrapped steering wheel
• Atmosphere/Brownstone, Forge Perforated Leather seat trim
• Bose Premium Series with a 12-speaker system with CenterPoint
• Dark Walnut/Slate, Cloth seat trim
• Steering-wheel mounted controls
• GMC Infotainment System with color touchscreen
• Heated driver and front outboard passenger seats
• Heated steering wheel
• MultiPro™ Audio System by Kicker

Explore the GMC Sierra 2500 Interior at Gunn Buick GMC

Don’t just read about the GMC Sierra 2500 interior. Schedule a test drive today and see what this incredible truck has to offer in person. If you have any questions about our available configurations, feel free to call us at (866) 468-6484, or stop by our dealership for in-person assistance next time you’re in Selma.