2027 GMC Sierra 1500 in Pasadena, CA

2027 GMC Sierra 1500 in Pasadena, CA
The next-generation 2027 GMC Sierra 1500 brings an all-new design, a redesigned cabin, four available powertrains and a new generation of truck-focused technology to GMC shoppers. From the everyday usefulness of the enhanced TurboMax engine to two new V8 choices and the proven appeal of the available Duramax diesel, the Sierra lineup is designed to give drivers more ways to match a truck to the work, travel and terrain ahead.
At Thorson Motor Center, we are helping Pasadena-area truck shoppers learn what is changing before the first 2027 Sierra 1500 models are expected to reach GMC dealerships late in the 2026 calendar year. Production timing, local allocation and individual configurations can change, so our team can provide the latest availability information as GMC releases it.
or keep reading to compare the major powertrain, capability, technology and trim highlights.

What Is New for the 2027 GMC Sierra 1500
The 2027 Sierra 1500 is a full redesign, not a light refresh. Its exterior adopts a more upright profile with a more vertical grille, evolved signature lighting and trim-specific details. Inside, GMC has reorganized the cabin around clearer digital information, useful storage and premium materials that vary by trim.
Available cabin features include dynamic ambient lighting, a panoramic sunroof and a new MultiPro Center Console with additional storage and an extended work surface. GMC also introduces a new user interface with high-contrast displays and truck-specific views for navigation, media, vehicle status, trailering information and available Super Cruise functions. For shoppers moving from an older Sierra, the redesigned layout may be one of the most noticeable differences in daily use.

2027 GMC Sierra 1500 Engine Options
Every announced 2027 Sierra 1500 engine is paired with a 10-speed automatic transmission. The four-engine range gives shoppers a meaningful choice between standard torque, V8 performance and diesel efficiency and range. Final availability depends on trim, drivetrain, cab, box and package configuration.
| Engine | Horsepower | Torque | Key capability |
|---|---|---|---|
| Enhanced 2.7L TurboMax | 350 hp | 455 lb-ft | Standard engine with increased output for 2027 |
| All-new 5.7L V8 | 402 hp | 428 lb-ft | Up to 13,500 lb max available towing when properly equipped |
| All-new 6.6L V8 | 481 hp | 501 lb-ft | GMC’s most powerful half-ton V8 to date |
| 3.0L Duramax Turbo-Diesel | 305 hp | 495 lb-ft | More than 900 miles of available GM-estimated highway range with the available approximately 34-gallon tank |
Maximum towing ratings are configuration-specific. Engine choice alone does not determine a truck’s rating; cab style, drivetrain, axle ratio, equipment and the weight of passengers and cargo also matter. Our team can help shoppers review the trailering label and equipment on a specific vehicle when 2027 models arrive.

Up to 13,500 Pounds of Max Available Towing
When properly equipped, the 2027 GMC Sierra 1500 offers up to 13,500 pounds of maximum available trailering capability with the new 5.7L V8. That headline figure is useful for comparing the top of the lineup, but choosing the right Sierra begins with the trailer you plan to pull, its loaded weight and the passengers and gear you expect to carry.
Available trailering technologies are designed to help drivers monitor and manage a connected trailer. Available Super Cruise hands-free driver assistance technology can also support compatible hands-free driving while trailering on compatible roads when the truck is properly equipped. Drivers must remain attentive and use the system according to its operating requirements.

More Than 60 Inches of Available Digital Displays
The redesigned Sierra cabin can provide more than 60 diagonal inches of available combined digital displays. Depending on configuration, the system can include a 16.3-inch diagonal GMC Infotainment System, a 12.2-inch diagonal Driver Information Center, a 15-inch diagonal Head-Up Display and an 11.5-inch diagonal front-passenger display.
These screens are intended to do more than add visual impact. GMC’s new interface places navigation, media, vehicle data and trailering tools in clearer views, while the available front-passenger display creates a separate space for compatible passenger functions. Available underbody camera views on selected off-road configurations can add useful visual context away from pavement.

Available Super Cruise With Trailering Capability
Super Cruise is standard on the announced AT4, AT4X, Denali and Denali Ultimate trims and available on Elevation. On compatible roads and under proper operating conditions, the system supports hands-free driver assistance and can be used while trailering when the vehicle is properly equipped. Plan or trial requirements, road compatibility and feature limitations apply, so shoppers should review current GMC terms and the specific equipment on the vehicle they are considering.

Compare the 2027 GMC Sierra 1500 Trims
GMC has announced six trims for the next-generation Sierra 1500. Each one emphasizes a different mix of value, design, off-road hardware and premium comfort.
Sierra Pro
Sierra Pro is the capability-focused starting point. Announced standard highlights include the enhanced TurboMax engine, 10-speed automatic transmission, 16.3-inch infotainment display, 12.2-inch Driver Information Center, Trailering Package, Adaptive Cruise Control and HD Rear Vision Camera.
Sierra Elevation
Elevation adds a bolder appearance and more comfort and utility features. Highlights include the enhanced TurboMax engine, available 5.7L V8 or Duramax diesel, an articulating 16.3-inch center display, MultiPro Center Console, MultiPro Tailgate, heated front seats and steering wheel, and available Super Cruise.
Sierra AT4
AT4 is designed for shoppers who want premium comfort with built-in off-road equipment. GMC has announced a standard 5.7L V8, a 2-inch factory-installed lift, monotube shocks, 34-inch all-terrain tires, a panoramic sunroof, Head-Up Display, heated and ventilated front seats, and Super Cruise with trailering capability.

Sierra AT4X
AT4X moves farther toward technical trail use with the Duramax 3.0L Turbo-Diesel, a 2-inch factory lift, Multimatic DSSV dampers, new Multimatic Jounce Control Dampers, front and rear electronic locking differentials, 35-inch mud-terrain tires, Baja Drive Mode and available underbody camera views.
Sierra Denali
Denali focuses on a premium road experience. Announced highlights include the 5.7L V8, Denali Premium Suspension with Adaptive Ride Control, a Denali-specific interior, heated and ventilated front seats, a 15-inch Head-Up Display, panoramic sunroof and Super Cruise with trailering capability.
Sierra Denali Ultimate
Denali Ultimate is the flagship expression of the 2027 Sierra 1500. GMC has announced the 6.6L V8, heated and ventilated massaging front seats, a 16-speaker Bose Premium Series audio system, front-passenger display, Head-Up Display, panoramic sunroof, underbody cameras, 22-inch wheels and Super Cruise with trailering capability.

A More Useful MultiPro Tailgate and Cargo Bed
The available MultiPro Tailgate returns with a redesigned applique, four additional tie-downs and an integrated ruler system. The bed provides 16 standard tie-down locations, giving owners multiple anchor points for work supplies, outdoor equipment and household projects. Available 120-volt power and GMC accessories can further tailor the bed to the way the truck will be used.

Expanded Standard Safety and Driver Assistance
GMC has announced a broader standard safety foundation for the 2027 Sierra 1500. The feature list includes Intersection Automatic Emergency Braking, Front Pedestrian and Bicyclist Braking, Side Bicyclist Alert, Reverse Automatic Braking, Safety Alert Seat, Adaptive Cruise Control, IntelliBeam, Front and Rear Park Assist, Forward Collision Alert, Rear Cross Traffic Braking, Blind Zone Steering Assist, Rear Pedestrian Alert and HD Rear Vision Camera.
Safety and driver-assistance systems have limitations and do not replace attentive driving. Feature operation can vary with vehicle equipment and conditions, so shoppers should review the owner’s manual and the exact window label for the truck they select.

Learn About the 2027 GMC Sierra 1500 at Thorson Motor Center
Thorson Motor Center is located at 3456 E Colorado Blvd in Pasadena, serving GMC truck shoppers from Pasadena, Alhambra, Glendale, Arcadia and nearby Los Angeles County communities. As availability develops, our team can help you compare the announced Sierra Pro, Elevation, AT4, AT4X, Denali and Denali Ultimate trims and discuss which engine and equipment combination fits your priorities.
Ready to take a next step? to request 2027 Sierra updates. You can also , or online. Pre-qualification or an application does not guarantee approval, terms or vehicle availability.
2027 GMC Sierra 1500 FAQs
When will the 2027 GMC Sierra 1500 be available?
GMC expects the first 2027 Sierra 1500 models to begin arriving at dealerships before the end of the 2026
calendar year. Timing and local availability can vary. Contact Thorson Motor Center for current
Pasadena-area updates.
What engines are available in the 2027 GMC Sierra 1500?
GMC has announced an enhanced 2.7L TurboMax engine, an all-new 5.7L V8, an all-new 6.6L V8 and the 3.0L
Duramax Turbo-Diesel. All four are paired with a 10-speed automatic transmission.
How much can the 2027 GMC Sierra 1500 tow?
The 2027 Sierra 1500 offers up to 13,500 pounds of maximum available towing when properly equipped.
Actual capability depends on the engine, cab, drivetrain, axle ratio, equipment, passengers and cargo.
Which 2027 Sierra 1500 engine has the most horsepower?
The available 6.6L V8 produces 481 horsepower and 501 lb-ft of torque, making it the highest-output
engine announced for the 2027 Sierra 1500.
Is the Duramax diesel available for 2027?
Yes. The 3.0L Duramax Turbo-Diesel produces 305 horsepower and 495 lb-ft of torque. With the available
approximately 34-gallon fuel tank, GMC estimates more than 900 miles of available highway range. Engine
availability varies by configuration.
Does the 2027 GMC Sierra 1500 offer Super Cruise?
Yes. Super Cruise with trailering capability is standard on AT4, AT4X, Denali and Denali Ultimate and
available on Elevation. Compatible roads, vehicle equipment, driver attention and an active eligible
plan or trial are required.
What trims are available for the 2027 Sierra 1500?
GMC has announced six trims: Pro, Elevation, AT4, AT4X, Denali and Denali Ultimate. Additional cab, box,
drivetrain and package availability may be announced as production expands.