At Sid Dillon Buick GMC Fremont, we know that Omaha truck owners expect both rugged performance and a comfortable, high-tech cabin—and the GMC Sierra 1500 interior delivers exactly that. Designed with premium materials, advanced technology, and spacious seating, the Sierra 1500 ensures you stay connected, comfortable, and in control, whether you’re on the job site or on a weekend adventure.

2025 GMC Sierra 1500 Interior Dimensions

One of the standout qualities of this vehicle is the 2025 GMC Sierra 1500 interior dimensions. Whether you’re driving solo or with a full crew, the Sierra 1500 offers ample legroom and cargo space to accommodate all your needs. The 2025 GMC Sierra 1500 interior is available in three cabin configurations, including Regular, Double, and Crew. 

See the 2025 GMC Sierra 1500 interior dimensions 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 

What Are the 2025 GMC Sierra 1500 Interior Features? 

From its advanced infotainment system to its smart storage solutions, this truck is built to keep up with your active Lincoln lifestyle. See what the 2025 GMC Sierra 1500 interior features are like per trim below: 

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

We didn’t include specs about the audio system because it will depend on your chosen trim. You can find a 2-speaker system, a 6-speaker system, or a Bose Premium Series audio system that includes 12 speakers with CenterPoint. To learn more about which cabins have which audio system, contact our team. 

Explore the 2025 GMC Sierra 1500 Interior at Sid Dillon Buick GMC Fremont 

If you’re ready to experience what the 2025 GMC Sierra 1500 interior features are like, visit us in Fremont today. Our friendly team will help you find the perfect Sierra 1500 for your Columbus needs. Schedule a test drive today!