2025 GMC Sierra 1500 Interior

You already know about the GMC Sierra 1500 towing capacity for hauling loads around Richmond. And you generally invest in a pickup truck for its engine performance in San Pablo and elsewhere. 

But you also want your new vehicle to have a cabin that fits your active lifestyle with the connectivity, comfort, and convenience features you need. Welcome to the 2025 GMC Sierra 1500 interior, giving you a mobile office for every job site and a comfortable cockpit when heading to your favorite campsite. 

Our guide helps you to compare the 2025 GMC Sierra 1500 Crew Cab dimensions to the Regular and Double Cabs. We’ll also show you how the 2025 GMC Sierra 1500 Elevation interior features stack up to the other trims. When you’re ready, we’d be happy to show you the 2025 GMC Sierra 1500 interior with a test drive. Keep reading to learn more from Hanlees Hilltop GMC!

2025 GMC Sierra 1500 Interior Dimensions

The GMC Sierra 1500 interior offers three cabin configurations, including Regular, Double, and Crew. Each one has similar features based on the trim you select. However, cab size affects the bed size and towing capacity. So, it depends on your requirements. The GMC Sierra 1500 Crew Cab dimensions might work if you’re going from job site to job site. For managing a rural property or ranch, the regular cab may suffice.

Compare the GMC Sierra 1500 Crew Cab dimensions with the other cab sizes here:

GMC Sierra Regular Cab Dimensions

• 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

GMC Sierra Double Cab Dimensions

• 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

GMC Sierra Crew Cab Dimensions

• 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 

GMC Sierra 1500 Interior Features for 2025

Every cab has a specific set of GMC Sierra 1500 interior features. As you ascend the lineup, you’ll find more and more premium features. The Denali Ultimate has some GMC Sierra 1500 interior features you won’t find anywhere else except on a Hummer EV for drives in Berkeley and beyond.

Please note that the GMC Sierra 1500 Elevation interior adds an additional feature above the Pro, SLE, and other models as a mid-range trim. See this list of the most popular items on each trim:

Pro

• 12-volt auxiliary front power outlet
• 3.5-inch diagonal monochromatic driver information center
• Automatic Emergency Braking
• Bluetooth®
• GMC Pro Safety
• Lane Keep Assist with Lane Departure Warning
• 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

• GMC Sierra 1500 Elevation Interior 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 
• Enhanced Automatic Emergency Braking
• Heated rear seats

AT4X

• Denali Features (Except for Enhanced Automatic Emergency Braking), Plus: 
• Automatic Emergency Braking
• Rear camera mirror
• Bed view camera
• Head-up display
• Leather-wrapped steering wheel

Denali Ultimate

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

We didn’t include specs about the audio system for the interior because your choices depend on the trim you select. You can find a 2-speaker system, a 6-speaker system, or a Bose Premium Series audio system that includes 12 speakers with CenterPoint. Talk to one of our team members, and we’ll brief you on which cabins have which audio system.

See the GMC Sierra 1500 Interior Near El Cerrito

Ready to climb into the cabin of a GMC Sierra 1500? Contact us, call (510) 662-7148, or schedule a test drive with our team. If you need a heavy-duty pickup truck for hauling larger loads, consider our inventory of GMC Sierra HD models. Don’t want to pay high gas prices? The Sierra EV is for you. We’d love to see you drive home in a new pickup truck from Hanlees Hilltop GMC!