The 2025 GMC Sierra 1500 is a light-duty pickup truck available in eight different trim levels, three body styles and two-bed lengths. While the new GMC Sierra 1500 is powerful and highly capable, it also offers an interior loaded with the latest technology and available comfort features. Besides impeccable engine capabilities, the 2025 Sierra 1500 also features top-edge safety and driver-assistance technologies that protect you from potential road threats. Keep reading to learn more about the new 2025 GMC Sierra 1500 from our experts at Terra Nova GMC Buick.
Exterior
Trim-Exclusive Grille Design
Each trim of the new 2025 Sierra 1500 comes with an exclusively designed grille, elevating the pickup truck’s rugged and performance-focused exterior styling. The available trim-exclusive grille includes:
- Premium chrome moulding on the SLT
- Gloss-black upper and dark nickel inserts on the AT4X
- Signature chrome grille on the Denali
- Vader Chrome finish on the Denali Ultimate
Graphite Edition
Available exclusively on the Sierra 1500 Pro, the Graphite Edition effortlessly elevates the appearance and performance of your truck with its stunning features, including:
- 20-inch six-spoke high gloss black painted aluminum wheels
- Recovery hooks
- Body-colour upper grille
- Body-colour front and rear bumpers
2025 GMC Sierra 1500 Exterior Specifications:
Dimensions: | Sierra 1500 Crew Cab Short Bed | Sierra 1500 Crew Cab Standard Bed | Sierra 1500 Regular Cab Standard Bed | Sierra 1500 Regular Cab Long Bed | Sierra 1500 Double Cab Standard Bed |
Length (mm/in) | 5,891 / 231.92 | 6,133 / 241.45 | 5,359 / 210.97 | 5,835 / 229.73 | 5,891 / 231.92 |
Width (without mirrors) (mm/in) | 2,063 / 81.24 | 2,063 / 81.24 | 2,061 / 81.15 | 2,061 / 81.15 | 2,063 / 81.24 |
Height (mm/in) | 1,918 / 75.51 | 1,915 / 75.4 | 1,927 / 75.85 | 1,927 / 75.85 | 1,921 / 75.63 |
Wheelbase (mm/in) | 3,745 / 147.43 | 3,987 / 156.98 | 3,213 / 126.49 | 3,545 / 139.56 | 3,745 / 147.44 |
Cargo Box Length (on floor) (mm/in) | 1,776 / 69.92 | 2,018 / 79.44 | 2,018 / 79.44 | 2,494 / 98.20 | 2,018 / 79.44 |
Cargo Box Width (on floor) (mm/in) | 1,814 / 71.40 | 1,814 / 71.40 | 1,814 / 71.40 | 1,814 / 71.40 | 1,814 / 71.40 |
Ground Clearance, Front (mm/in) | 205 / 8.08 | 202 / 7.97 | 210 / 8.25 | 206 / 8.10 | 205 / 8.08 |
Ground Clearance, Rear (mm/in) | 205 / 8.08 | 202 / 7.97 | 210 / 8.25 | 206 / 8.10 | 205 / 8.08 |
Cargo Volume (L) | 1,781 | 2,030 | 2,030 | 2,523 | 2,030 |
Interior
Excellent Craftsmanship
Like all its predecessors, the 2025 GMC Sierra 1500 interior is also crafted using only the finest quality materials and state-of-the-art technologies, offering top-edge comfort and superior relaxation. Some interior elements to look forward to include:
- Perforated front leather seating surfaces on AT4
- Red double-needle stitching and ceramic white accents on AT4X
- Real wood trim and sophisticated accents on Denali
- Luxurious Alpine Umber interior with full-grain leather seats and plaited contrast stitching on Denali Ultimate
Versatile Storage Space
Got multiple travel luggage, camping gear, work tools or accessories? The Sierra 1500 offers ample space to stow all you have in its well-thought-out and generous storage area. You get:
- Rear under-seat storage
- Large lower lockable glove box and upper glove box
- Centre-console storage
- Rear seatback storage with two compartments inside the rear outboard seatbacks
2025 GMC Sierra 1500 Image Gallery





2025 GMC Sierra 1500 Interior Specifications:
Dimensions: | Sierra 1500 Crew Cab | Sierra 1500 Regular Cab | Sierra 1500 Double Cab |
Front Headroom (mm/in) | 1,093 / 43.03 | 1,095 / 43.11 | 1,093 / 43.03 |
Second Headroom (mm/in) | 1,019 / 40.12 | 1,013 / 39.88 | 1,013 / 39.88 |
Front Legroom (mm/in) | 1,131 / 44.53 | 1,131 / 44.53 | 1,131 / 44.53 |
Second Legroom (mm/in) | 1,102 / 43.40 | 895 / 35.24 | 895 / 35.24 |
Front Shoulder Room (mm/in) | 1,677 / 66.02 | 1,677 / 66.02 | 1,677 / 66.02 |
Second Shoulder Room (mm/in) | 1,655 / 65.16 | 1,648 / 64.88 | 1,648 / 64.88 |
Front Hip Room (mm/in) | 1,554 / 61.18 | 1,547 / 60.9 | 1,554 / 61.18 |
Second Hip Room (mm/in) | 1,530 / 60.24 | 1,530 / 60.24 | 1,530 / 60.24 |
Passenger Capacity | 5 | 3 | 6 |
Technology
Super Cruise Driver-Assistance Technology
With an attentive driver and under proper driving conditions, the available Super Cruise driver-assistance technology offers access to hands-free vehicle operation on compatible highways across the country and the US, making driving easier and more convenient.
Large Digital Displays
Inside the new 2025 Sierra 1500, you get up to 40 inches of combined driver-focused digital displays, making all your outdoor travels and trailering experience more immersive and intriguing. The available displays include:
- 13.4-inch diagonal centre touchscreen
- 12.3-inch diagonal customizable Driver Information Centre
- 15-inch diagonal Head-Up Display
Performance
Incredible Engine Choices
The GMC Sierra 1500 pickup truck offers four powerful engine options, including one diesel engine option, to choose from that can easily give you the power and capability you need to handle tough jobs and conquer every trail. The available engine options are up for any task, from towing large trailers to hauling heavy cargo.
- 3.0-litre Duramax Turbo-Diesel engine: 305 horsepower and 460 pound-feet of torque
- 2.7-litre TurboMax engine: 310 horsepower and 430 pound-feet of torque
- 5.3-litre EcoTec V8 engine: 355 horsepower and 383 pound-feet of torque
- 6.2-litre EcoTec V8 engine: 420 horsepower and 460 pound-feet of torque
Sierra 1500 ATX4
Need some extra power and the utmost confidence on tricky terrains? Go for the Sierra 1500 AT4X, the ultimate off-roader in the Sierra 1500 lineup, embracing a long list of incredible off-road features, including:
- Front and rear electronic locking differentials
- Multimatic DSSV dampers
- AEV stamped steel front bumper with front winch capability and stamped boron steel front approach AEV skid plate
2025 GMC Sierra 1500 Engine Specifications:
Specifications: | 2.7L TurboMax Engine | 5.3L EcoTec®3 V8 | 6.2L EcoTec® V8 | 3.0L Duramax Turbo-Diesel |
Transmission | 8-speed automatic | 8-or 10-speed automatic | 10-speed automatic | 10-speed automatic |
Horsepower | 310 | 355 | 420 | 305 |
Torque (lb-ft) | 430 (best-in-class) | 383 | 460 | 460 |
Max. Towing (kg/lbs.) | 4,309 / 9,500 | 5,080 / 11,200 | 5,942 / 13,100 | 5,987 / 13,200 |
Safety
GMC Pro Safety
The 2025 GMC Sierra 1500 offers increased safety protection on the road with the help of the standard GMC Pro Safety — a suite of driver-assistance technologies and advanced collision-avoidance features. The advanced safety and security features that come standard in this safety suite are:
- Automatic Emergency Braking
- Following Distance Indicator
- Forward Collision Alert
- Front Pedestrian Braking
- IntelliBeam
- Lane Keep Assist with Lane Departure Warning
Additional Safety Features and Driver-Assistance Technologies
Besides the standard GMC Pro Safety, the new Sierra 1500 is available with various driver-assistance and safety features, elevating your on-road safety while also making thoughtful decisions in challenging situations. Some of these features include:
- Front and Rear Park Assist
- Safety Alert Seat
- Automatic Parking Assist
- Rear Cross Traffic Alert
2025 GMC Sierra 1500 Trim Levels
To learn more about the new 2025 GMC Sierra 1500 pickup truck, please visit Terra Nova GMC Buick, today to speak with a knowledgeable product specialist. You may also contact a sales professional to ask questions or to learn more about any current sales or incentives that are available. If you would like to get a feel for the all-new 2025 GMC Sierra 1500, you can also request a test drive and take this new truck out on the road. We look forward to helping you find your new pickup truck.