2026 GMC Sierra 1500 Interior

2026 GMC Sierra 1500 interior view

You can tow and haul just about anything with your GMC Sierra 1500, thanks to its hefty towing capabilities and spacious bed dimensions. But how much space will you have inside the cabin? It depends on whether you opt for a Regular Cab, Double Cab, or Crew Cab. In this 2026 GMC Sierra 1500 interior overview, Express Dyersburg GMC breaks down the GMC Sierra 1500 dimensions for each cab style. Plus, we’ll offer a glimpse at the premium amenities and high-tech interior features that will make your drives throughout the Union City area easier and more enjoyable.

 

 

2026 GMC Sierra 1500 Dimensions By Cab Style

You’ll need to choose from 3 cab types when building your new Sierra 1500. To help guide your decision, consider how many passengers you’ll carry around Blytheville. The Regular Cab has a 3-passenger capacity, while the Double Cab comfortably seats 6 occupants. Finally, the Crew Cab can accommodate 5 or 6 passengers, depending on the configuration.

Explore the detailed GMC Sierra 1500 dimensions among the various cab and bed combinations to see what suits your needs:

Regular Cab, Standard Bed

Trims: Pro (2WD/AWD)

  • Seating Capacity: 3 passengers
  • Headroom (Front): 43.11 inches
  • Legroom (Front): 44.53 inches
  • Shoulder Room (Front): 66.02 inches
  • Hip Room (Front): 60.90 inches 

Regular Cab, Long Bed

Trims: Pro (2WD/AWD)

  • Seating Capacity: 3 passengers
  • Headroom (Front): 43.11 inches
  • Legroom (Front): 44.53 inches
  • Shoulder Room (Front): 66.02 inches
  • Hip Room (Front): 60.90 inches 

Double Cab, Standard Bed

Trims: Pro (2WD/AWD), SLE (2WD/AWD), Elevation (2WD/AWD)

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

Crew Cab, Short Bed

Trims: Pro (2WD/AWD), SLE (2WD/AWD), Elevation (2WD/AWD), SLT (2WD/AWD), AT4 (4WD only), AT4X (4WD only), Denali (2WD/AWD), Denali Ultimate (4WD only)

  • Seating Capacity: 6 passengers
  • Headroom (Front/Rear): 43.03 inches / 40.12 inches
  • Legroom (Front/Rear): 44.53 inches / 43.40 inches
  • Shoulder Room (Front/Rear): 66.02 inches / 65.16 inches
  • Hip Room (Front/Rear): 61.18 inches / 60.24 inches

Crew Cab, Standard Bed

Trims: Pro (2WD/AWD), SLE (2WD/AWD), Elevation (2WD/AWD), SLT (2WD/AWD), AT4 (4WD only), Denali (2WD/AWD)

  • Seating Capacity: 5 passengers
  • Headroom (Front/Rear): 43.03 inches / 40.12 inches
  • Legroom (Front/Rear): 44.53 inches / 43.40 inches
  • Shoulder Room (Front/Rear): 64.54 inches / 64.00 inches
  • Hip Room (Front/Rear): 60.78 inches / 59.24 inches

2026 GMC Sierra 1500 Interior Features 

Your Sierra 1500 becomes a mobile office with helpful technology, including a Wi-Fi® hotspot and seamless phone integration. When you’re on the road in Ripley, you’ll also enjoy premium appointments to keep you comfortable. Here’s a closer look at the highlights you’ll encounter inside the 2026 GMC Sierra 1500:

  • 4-way manual front seats
  • 7-inch diagonal color touchscreen
  • Bluetooth® audio streaming for select devices
  • Apple CarPlay® and Android Auto™ capability for compatible phones
  • Wi-Fi® hotspot capability
  • 3.5-inch diagonal monochromatic Driver Information Center
  • And more

While these features come standard in the base model, opting for upper-level Sierra 1500 trims unlocks additional upgrades, such as heated seats, wireless Apple CarPlay® and Android Auto™, a 13.4-inch diagonal GMC Premium Infotainment System with Google built-in, and more.

Climb Inside The GMC Sierra 1500 At Express Dyersburg GMC

You can compare cab options and explore more interior features at our GMC dealership in Dyersburg. Contact us to schedule an appointment or visit us during our flexible hours. When you’re ready to upgrade, our new vehicle specials can help you lock in a competitive price.

More from Express Dyersburg GMC

  • 2026 GMC Terrain Dimensions

    Drivers searching for a compact SUV that blends everyday capability with elevated comfort often turn to the GMC Terrain. With its thoughtful interior and exterior design, the 2026 GMC Terrain is a versatile choice for those navigating the open highways and the tight Union City streets. Learn more about the 2026 GMC Terrain dimensions, from ground…

  • 2026 GMC Sierra 2500 Trim Levels

    The GMC Sierra 2500 is an HD truck offering the towing power and overall performance that drivers throughout Union City and the surrounding areas crave. If you are ready to upgrade your pickup truck, learn about the 2026 GMC Sierra 2500 trim levels with Express Dyersburg GMC today. Whether the GMC Sierra 2500 highest trim option interests you—or…

  • 2026 GMC Sierra 1500 Overview

    Do you need a truck that works as hard as you do? The 2026 GMC Sierra 1500 could be exactly what you require! This truck is available in several trim levels, each offering unique features to drivers in Union City and beyond. Take a moment to check out our overview, and then contact us to test-drive…

Get Directions

125 Us-51 Byp, Dyersburg, TN, 38024
Express Dyersburg GMC 36.0362, -89.4117.