2025 GMC Sierra 1500 Interior

When you think of the GMC Sierra 1500, you probably think of a rugged truck with a durable exterior and powerful capabilities. However, the Sierra 1500 can also be regarded as a premium vehicle that caters to modern Fairmont drivers with a wealth of features in the cabin. In this 2025 GMC Sierra 1500 interior overview, you can learn more about the different cab sizes and features you’ll encounter in each trim level. 

Continue reading to compare the GMC Sierra 1500 Crew Cab dimensions to the Double Cab and Regular Cab. Then, value your trade to begin your upgrade from your home in the Morgantown area.

2025 GMC Sierra 1500 Interior Dimensions

The 2025 GMC Sierra 1500 interior is available in three cabin configurations: Regular, Double, and Crew. To get a sense of how the GMC Sierra 1500 Crew Cab dimensions compare to the GMC Sierra 1500 Double Cab dimensions, explore the different measurements for each option below: 

Regular Cab

• Seating Capacity: 3 passengers

• Front Headroom: 43.1 inches

• Front Legroom: 44.5 inches

• Front Shoulder Room: 66.0 inches

• Front Hip Room: 60.9 inches

Double Cab

• Seating Capacity: 6 passengers

• Front/Rear Headroom: 43.0 inches/39.9 inches

• Front/Rear Legroom: 44.5 inches/35.2 inches

• Front/Rear Shoulder Room: 66.0 inches/64.9 inches

• Front/Rear Hip Room: 61.2 inches/60.2 inches

Crew Cab

• Seating Capacity: 6 passengers

• Front/Rear Headroom: 43.0 inches/40.1 inches

• Front/Rear Legroom: 44.5 inches/43.4 inches

• Front/Rear Shoulder Room: 66.0 inches/65.2 inches

• Front/Rear Hip Room: 61.2 inches/60.2 inches 

2025 GMC Sierra 1500 Interior Features 

As you explore the trim levels of the Sierra, you’ll find the 2025 GMC Sierra 1500 Elevation interior has a slightly different suite of features from the Pro, SLE, and other trims. To get a sense of which trim is right for you, compare the key 2025 GMC Sierra 1500 interior accessories and features for each configuration: 

Pro

• 12-volt auxiliary front power outlet
• 3.5-inch diagonal monochromatic driver information center
• Bluetooth®
• GMC Pro Safety
• Single-zone climate control
• Wireless Apple CarPlay®/Android Auto™

SLE

• Pro Features, Plus: 
• Hitch Guidance
• 12.3-inch diagonal color driver information center
• 13.4-inch diagonal GMC Premium Infotainment System with Google built-in
• Dual-zone automatic climate control
• Heated front seats
• Heated steering wheel

Elevation

• SLE Features, Plus: 
• Rear window defogger

SLT

• Elevation Features, Plus: 
• Inside rearview auto-dimming mirror

AT4

• SLT Features, Plus: 
• Heated/ventilated front seats
• Adaptive Cruise Control
• HD Surround Vision
• Wireless charging

Denali

• AT4 Features, Plus:
• Heated rear seats

AT4X

• Denali Features, Plus:
• Rear camera mirror
• Bed view camera
• Head-up display
• Leather-wrapped steering wheel

Denali Ultimate

• AT4X Features (except for bed view camera), Plus: 
• Bluetooth®
• Heated rear seats
• Super Cruise™ capabilities

If you’re curious as to why we didn’t include information about the Sierra 1500 audio system above, that’s because the speaker system that is available to you will change based on how you configure your Sierra 1500. That’s to say, audio system availability isn’t strictly based on which trim you choose. So, while you will ultimately end up with a 2-speaker system, a 6-speaker system, or a Bose Premium Series audio system that includes 12 speakers with CenterPoint, you should speak with one of our representatives to get a clear and concise picture of what your options will be.

See the GMC Sierra 1500 Interior Near Grafton

Do you want a closer look at the GMC Sierra 1500 Crew Cab dimensions or Regular Cab dimensions? Head to Dan Cava's GMC to explore the cab styles and interior features in person. When you’re ready for the next steps, our friendly finance team is here to help.