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2025 GMC Sierra HD 2500 Interior Guide

2025 GMC Sierra 2500 Interior

Known for its heavy-duty capabilities, the 2025 GMC Sierra 2500 interior is a nice place to spend a work day near Thomasville, GA or an extended road trip past the Dothan, AL area. From the base trim level to the top-spec model, you will be impressed with the standard and available features and technologies in this heavy-duty truck. Explore the 2025 GMC Sierra HD interior in this guide from the team at Dale Earnhardt Jr Buick GMC in Tallahassee! Be sure to check with our parts center about floor mats and seat covers for the GMC Sierra 2500.

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2025 GMC Sierra HD Interior Dimensions 

The 2025 GMC Sierra 2500 is exceptionally roomy. Whether you need to drive your Crawfordville 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: 44.53/43.40inches 
  • Front/Rear Shoulder Room: 66.06/65.30 inches 
  • Front/Rear Hip Room: 60.90/60.24inches 
  • Passenger Capacity: 3

Double Cab

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

Crew Cab

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

See the GMC Sierra 2500 Interior Near Panama City

Now that you know all about the 2025 GMC Sierra HD interior, it’s time to experience more. Contact us today to schedule your test drive in a new GMC Sierra 2500 HD at Dale Earnhardt Jr Buick GMC! Our team will explore all the trim levels and option packages to ensure you find the best interior features for your pickup needs, while our finance experts will find the best loan plan or lease deal for your budget. Browse our special offers and new vehicle specials, and get pre-approved for financing online ahead of time. Be sure to check with our parts center about GMC Sierra 2500 seat covers and floor mats when stopping by our Tallahassee showroom!

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Hendrick Vehicle Disclaimer

$1,139.00 Predelivery Service Charge included in advertised price; this charge represents costs and profit to the dealer for items such as inspecting, cleaning, and adjusting vehicles, and preparing documents related to the sale. All prices exclude all taxes, tag, title, registration fees and government fees. Out of state buyers are responsible for all taxes and government fees and title/registration fees in the state where the vehicle will be registered. All prices include all manufacturer to dealer incentives, which the dealer retains unless otherwise specifically provided. Dealer not responsible for errors and omissions; all offers subject to change without notice; please confirm listings with dealer. All vehicles may not be physically located at this dealership but may be available for delivery through this location. Transportation charges may apply. Please contact the dealership for more specific information. All vehicles are subject to prior sale.



Additional Disclaimers:

Well-qualified customers who purchase a new, used, or certified pre-owned vehicle, 4 model years or newer with less than 60K miles between August 1, 2026 and August 31, 2026, and finance through a participating dealer and lender have the option to defer monthly payments for 90 days from contract date. Excludes Hendrick Performance vehicles. Finance charges begin to accrue on the date you sign the Retail Installment Sale Contract at the Annual Percentage Rate (APR) disclosed in the contract. May not be combined with other preferred lender financing offers. 75 months maximum term limit. Equal monthly payments only. Not available to Pennsylvania residents; see your dealer for details. Must take retail delivery by August 31, 2026. See dealer for complete down payment and interest rate options and details. Financing available to qualified buyers. Some exclusions apply. See dealer for complete details.

*Offer includes all dealer discounts and OEM incentives. Offer does not include tax, tag, title, fees, and other dealer installed options. Discount varies by model and stock number. See dealer for details. Take retail delivery by 8/31/26. **Monthly payment is $15.15 for every $1,000 you finance. Average example down payment is 8.8%. Must finance through GM Financial. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 8/31/26. ***Deferred monthly payments for 90 days. Excludes residents of PA. Must finance with GM Financial. Some customers may not qualify. Down payment required at signing, if applicable. Finance charges accrue from date of financing. Not available with lease and some other offers. Take new retail delivery by 8/31/26.

*Savings include all dealer discounts, conditional OEM incentives, and non conditional OEM stackable incentives. Savings vary by model and stock number. Not available with lease and some other offers. Take new retail delivery by 8/31/26. ** 2026 Buick Envision Deferred monthly payments for 150 days. Must finance with GM Financial. Some customers may not qualify. Down payment required at signing, if applicable. Finance charges accrue from date of financing.  Not available with lease and some other offers. Take new retail delivery by 8/31/26.  ***For Current Lessees of a 2021 model year or newer GM or Non-GM passenger car or truck at least 30 days prior to the lease of a new GM vehicle through GM Financial. Customer remains responsible for current lease payments. Each dealer sets own price. $199/month for 24 months. Your payments may vary. Payments are for a 2026 BUICK Envista Preferred with an MSRP of $26,495. Based on due at signing amount of $4,909 (after all offers). 24 monthly payments total $4,776. Must show proof of lease. Option to purchase at lease end for an amount to be determined at lease signing. Lessor must approve lease. Lessee pays for maintenance, repair, excess wear and disposition fee of $495 or less at end of lease. No security deposit required. Payments may be higher in some states. Not available with other offers. Take new retail delivery by 08-31-2026.

*Savings include all dealer discounts, conditional OEM incentives, and non conditional OEM stackable incentives. Savings vary by model and stock number. Not available with lease and some other offers. Take new retail delivery by 8/31/26. **Payments are for a 2026 GMC Yukon 4WD Elevation with an MSRP of $75,395. Based on due at signing amount of $12,239 (after all offers). 36 monthly payments total $28,764. Option to purchase at lease end for an amount to be determined at lease signing. Lessor must approve lease. Take new retail delivery by 08-31-2026. Lessee pays for maintenance, repair, excess wear and disposition fee of $495 or less at end of lease. No security deposit required. Payments may be higher in some states. Not available with other offers. Example $799/month for 36 months. Your payments may vary. For eligible new and unused models leased through GM Financial.

*GMC Yukon Savings include all dealer discounts, conditional OEM incentives, and non conditional OEM stackable incentives. Savings vary by model and stock number. Not available with lease and some other offers. Take new retail delivery by 8/31/26.**HUMMER EV is available from a GMC EV dealer. Length of contract 36 months. Monthly payment is $28.16 for every $1,000 you finance. Average example down payment is 9.2%. Must finance through GM Financial. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 8/31/26. ***For Current Lessees of a 2021 model year or newer GM or Non-GM passenger car or truck at least 30 days prior to the lease of a new GM vehicle through GM Financial. Customer remains responsible for current lease payments. Each dealer sets own price. $259/month for 36 months. Your payments may vary. Payments are for a 2026 GMC Terrain FWD Elevation with an MSRP of $32,195. Based on due at signing amount of $4,399 (after all offers). 36 monthly payments total $9,324. Must show proof of lease. Option to purchase at lease end for an amount to be determined at lease signing. Lessor must approve lease. Lessee pays for maintenance, repair, excess wear and disposition fee of $495 or less at end of lease. No security deposit required. Payments may be higher in some states. Not available with other offers. Take new retail delivery by 08-31-2026.

*Please see dealer for details.

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