2027 GMC Sierra 1500 Denali: What's New and Why It's Still the Premium Pick

For 2027, the GMC Terrain pairs its 1.5L turbocharged engine with an eight-speed automatic transmission across the lineup. The 2026 Elevation FWD previously used a CVT, while AWD configurations used the eight-speed automatic. As a compact SUV focused on everyday usability, the Terrain combines its turbocharged engine with an 8-speed automatic transmission across the lineup. Here is what the 2027 GMC Terrain brings, and why buyers shopping for a GMC auto SUV in the Fairless Hills area are paying attention. Powertrain The 2027 GMC Terrain runs a 1.5L turbocharged four-cylinder engine producing 175 horsepower and 203 lb-ft of torque. An 8-speed automatic transmission is standard. AWD is available on Elevation and standard on AT4 and Denali. Fuel economy comes in at an EPA-estimated 28 MPG highway on the Elevation trim. The AT4 and Denali trims are rated at 26 MPG highway. GMC now lists the eight-speed automatic on the 2027 Elevation, while the 2026 FWD Elevation used a CVT. It works with the 1.5L turbocharged engine to deliver a familiar driving experience for daily commuting and highway driving. The eight-speed automatic uses fixed gear ratios, unlike the CVT previously offered on the 2026 Elevation FWD. Buyers comparing model years should note this transmission difference. Three Trims, Three Different Buyers Elevation is the entry trim and the one most buyers start with. It comes standard with heated front seats and a heated steering wheel, a 15-inch GMC infotainment system with Google built-in, an 11-inch driver information center, and more than 16 safety and driver assistance features. The 2026 Terrain offered the same three core trims, but its Elevation FWD configuration used a CVT. For 2027, GMC lists an eight-speed automatic as standard on Elevation. AT4 is the trail-ready option. It adds an AT4-exclusive Terrain drive mode, a lifted ride height, and 17-inch all-terrain tires. The AT4 offers up to six selectable drive modes: AWD, Normal, Snow/Ice, Off-Road, Tow/Haul, and the AT4-exclusive Terrain Mode. Denali is the top trim. Heated and ventilated front seats, heated rear outboard seats, animated headlamps and taillamps, HD Surround Vision, and 19-inch wheels define the Denali's position in the lineup. Seating, Cargo, and Practicality The GMC Terrain seats five passengers across two rows. There is no third-row option on this vehicle. Cargo volume reaches 63.5 cubic feet with the rear seats folded and 29.8 cubic feet behind the second row. The rear seats split 60/40 and the Terrain includes rear underfloor storage as well. Available features include a panoramic sunroof, two-tone roof, and an AutoSense power liftgate. When properly equipped with the Trailering Package, the Terrain can tow up to 1,500 lbs. For a two-row SUV, the Terrain's cargo numbers are competitive. The 29.8 cubic feet behind the second row handles everyday loads without issue. The 63.5 cubic feet with seats folded puts it in a usable range for buyers who occasionally need to move larger items without renting a truck. The rear underfloor storage is a practical addition that keeps smaller items out of sight and organized. The Terrain offers 29.8 cubic feet of cargo space behind the second row and 63.5 cubic feet behind the first row, giving buyers useful space for everyday cargo and larger loads. GMC Terrain for Sale at Peruzzi Buick GMC Peruzzi Buick GMC is located at 156 Lincoln Highway, Fairless Hills, PA 19030. Peruzzi Buick GMC lists GMC Terrain inventory, with availability varying by model, trim and configuration. Availability changes regularly. Buyers comparing the 2026 GMC Terrain against the 2027 can work through both options with the sales team directly. Call the sales department at 866-270-4913 or stop in Monday through Friday, 9 AM to 8 PM, and Saturday, 9 AM to 6 PM. FAQs Is the GMC Terrain a good car? The 2027 GMC Terrain is a strong option in the compact SUV segment. It offers a turbocharged engine, an 8-speed automatic transmission, available AWD, and trims that include a trail-capable AT4 and a fully loaded Denali. If you’re shopping for a two-row, five-passenger SUV with a generous feature set and a range of drivetrain options, the Terrain is worth a closer look. Are GMC Terrains reliable? The GMC Terrain has been offered across multiple generations, but model-year-specific reliability information for the 2027 model will develop as more vehicles enter service. As the 2027 Terrain becomes more widely available, owner assessments and independent evaluations will provide model-year-specific reliability data. At Peruzzi Buick GMC, the service department provides maintenance and repair services for GMC vehicles. What changed on the 2027 GMC Terrain? The 2027 GMC Terrain’s transmission is not a new update. GMC continues to offer the 1.5L turbocharged engine with an 8-speed automatic transmission. Based on the available official specifications, no transmission change has been verified for the 2027 model year. Does the GMC Terrain have a third row? No. A two-row SUV, the GMC Terrain can seat up to five people. It does not offer a third-row seating option. Buyers who need a third row in the GMC lineup can consider the GMC Acadia, which offers three-row seating. How many seats does the GMC Terrain have? The GMC Terrain seats five passengers across two rows. The rear seat splits 60/40 for cargo flexibility. There is no third-row option on the Terrain.

GMC is expected to add a new customization option to the 2027 Sierra Denali, and it's one of the more interesting factory options reported for the new generation. According to GM Authority, the Color-Out Package would give Denali buyers a cleaner, more monochromatic exterior by replacing chrome trim pieces with body-color components and swapping GMC's standard emblems for black ones. GMC has not officially listed the package on its consumer-facing website at this time. Here's everything that's been confirmed so far. What Does the 2027 GMC Sierra Denali Color-Out Package Include? The Color-Out Package makes four specific changes to the Sierra Denali's exterior: Body-color wheel arch moldings - Replacing the chrome arch treatment on the standard Denali Body-color tailgate applique - The panel across the rear gate goes body-matched instead of chrome Body-color mirror caps - Side mirror housings switch from chrome to a painted finish Black GMC emblems - Front and rear badges switch from chrome to black The result is a more cohesive, single-tone exterior, less chrome contrast, more visual continuity across the truck's surfaces. GM Authority describes the package as appealing to buyers who want a less chrome-heavy, more monochromatic Denali appearance. Which Colors Is the Color-Out Package Available In? This is an important detail, GM Authority reports that the Color-Out Package will require either Sterling Metallic or Glacier White Tricoat. It requires one of two specific finishes: Color Paint Code Availability Sterling Metallic GXD Available across the full 2027 Sierra lineup Glacier White Tricoat G4J Exclusive to Denali and Denali Ultimate Sterling Metallic is a silver-toned finish carried over from the 2026 model year and available on every trim from Pro to Denali Ultimate. GM Authority reports Glacier White Tricoat as available on Denali and Denali Ultimate. The full 2027 Sierra 1500 exterior color palette consists of nine options: three new finishes,  Azurite Blue Metallic, Dark Ridge Metallic, and Mesa Red, alongside six returning colors including Onyx Black, Cardinal Red, Coastal Dune, Sterling Metallic, Glacier White Tricoat and Summit White. The Color-Out Package applies to neither the new colors nor Onyx Black, it is strictly limited to Sterling Metallic and Glacier White Tricoat. Is the Color-Out Package Available on the Denali Ultimate Too? Based on information reported by GM Authority, the Color-Out Package is confirmed for the Sierra Denali trim. GM Authority reports the package as exclusive to the Sierra Denali. Denali Ultimate availability has not been reported. Given that Glacier White Tricoat is listed as exclusive to both the Denali and Denali Ultimate, it's possible the package carries over, but this has not been officially stated. What Else Is New on the 2027 GMC Sierra Denali? The Color-Out Package is one of several appearance changes for the redesigned 2027 Sierra. GM Authority reports revised wheel-arch treatment as part of the 2027 Sierrra redesign. Under the hood, the 2027 Sierra 1500 arrives with a substantially revised powertrain lineup. GMC has confirmed four engine options: New 5.7L Gen 6 Small Block V8 - A new sixth-generation architecture 5.7L Small Block V8 joins the 2027 powertrain lineup New 6.6L Gen 6 Small Block V8 - Denali Ultimate features a standard 6.6L V8, the most powerful naturally aspirated V8 engine in its class. Enhanced TurboMax 2.7L - Best-in-class standard torque per GMC's class claim Duramax 3.0L Turbo-Diesel - Class-exclusive diesel option All four engines pair with a 10-speed automatic transmission. Official horsepower, torque, towing, and payload figures have not yet been released by GMC and will be confirmed closer to the truck's launch. How Much Does the Color-Out Package Cost? Pricing for the Color-Out Package has not been announced. GM Authority reports that pricing for the Color-Out Package is not yet available. Who Is the Color-Out Package For? Sierra Denali buyers who want a cleaner exterior without chrome accents and prefer a factory option over aftermarket modifications. The package appeals to buyers who like the Denali's premium positioning but want the truck's exterior to look more modern and less traditional. Visit Peruzzi Buick GMC in Fairless Hills The 2027 GMC Sierra 1500 is expected to arrive at dealers before the end of 2026. Peruzzi Buick GMC is located at 156 Lincoln Hwy, Fairless Hills, PA 19030. Contact the team to get on the notification list for 2027 Sierra availability and Color-Out Package ordering details as they're released. FAQs What is the 2027 GMC Sierra Denali Color-Out Package? It is an optional appearance package (RPO code PDD) that replaces the Sierra Denali's chrome exterior trim, wheel arch moldings, tailgate applique, and mirror caps with body-color pieces, and swaps standard GMC emblems for black ones. Which colors does the Color-Out Package require? The package is available only in Sterling Metallic (GXD) or Glacier White Tricoat (G4J). It is not compatible with any other exterior color in the 2027 Sierra lineup. Is the Color-Out Package available on the Denali Ultimate? GMC has confirmed it for the Sierra Denali. Availability on the Denali Ultimate has not been officially confirmed. How much does the 2027 Sierra Denali Color-Out Package cost? Pricing has not been announced. GMC has not released official option pricing for the 2027 Sierra 1500 at this time. When will the 2027 GMC Sierra 1500 be available at Peruzzi Buick GMC? The 2027 GMC Sierra 1500 is expected to arrive at US dealers before the end of 2026. Contact Peruzzi Buick GMC at 156 Lincoln Hwy, Fairless Hills, PA 19030 to get on the notification list for availability and Color-Out Package ordering details as they're released.

When you're looking at the AT4 vs Denali trim lines on a GMC, it's not just that one is better than the other; it's that they're designed to serve different purposes even though they're both more upmarket than lower trims. The AT4 is designed around off-road ability, toughness, and conquering obstacles with a smile, where the Denali trim is designed to impress you with luxurious materials, cutting-edge technology, a soft ride, and a visually elegant aesthetic. Though options vary across the GMC model line, this knowledge can help determine if the added cost of higher trim levels is worth it for your lifestyle. What Does GMC AT4 Mean? AT4: AT4 brings the capability. If it's applicable to the vehicle's platform and body style the AT4 trim may be equipped with all-terrain tires, new drive modes, additional ride height, underbody protection (skid plates), recovery hooks, and the ability to tackle tougher terrain. Taking the example above with the 2026 GMC Terrain, the Terrain AT4 as standard gets AWD, a lifted height and underbody protection, 17-inch all-terrain tires, as well as the Terrain AT4 exclusive drive modes (Terrain Mode). With bigger vehicles like our GMC Yukon and truck lineup, the AT4 experience really focuses on traction and ability. More off-road capability All-terrain tires Additional traction-focused equipment Rugged exterior styling Extra confidence on dirt, gravel, and uneven terrain A GMC that can handle more than normal paved-road driving What Does GMC Denali Mean? On the higher end of the Terrain spectrum is the 2026 GMC Terrain Denali. Unlike the AT4 and that particular model's main mission, the Denali's main intention here is to offer the plushest ride with the most distinctive looks as well as tech features over the 2026 GMC Terrain Denali trim levels that are sure to add an upscale flair to your next family or weekend getaway. Added features include a premium interior with leather-appointed seating and heated and ventilated front seats, as well as the addition of advanced tech features such as HD Surround Vision, GM’s popular Rear Camera Mirror, and one-off Denali styling. 20-inch wheels, for a more commanding stance and enhanced style. A more luxurious interior Premium comfort features Upscale exterior styling Advanced technology A refined everyday driving experience More premium features without moving to a separate luxury brand AT4 vs. Denali: Where Does Your Money Go? Feature AT4 Denali Primary Focus Off-road capability Premium comfort & luxury Styling Rugged and adventure-focused Upscale and sophisticated Terrain Capability Enhanced Primarily road-focused Interior Premium with durable touches More luxurious materials and finishes Technology Advanced More premium technology options Best For Drivers who want capability Drivers who prioritize comfort However, what is crucial to note is that a more expensive vehicle does not instantly translate to a better vehicle for everyone. It translates to an optimized vehicle. Is AT4 Better for Off-Road Driving? But on the other hand, if you’re prioritizing the capacity for off-road adventure more often than not, the AT4 is probably going to make the most sense for you.The entire point of GMC’s lineup of AT4 variants, of course, is to equip models with an array of capability enhancements that go beyond those found in the road-legal variants. The factory-provided suspension lift for the 2026 GMC Sierra 1500 AT4 is a case of this, as is class-leading trailer-pulling prowess and equipment geared specifically for adventuring over dirt or rock trails. Is Denali Worth It for Daily Driving? For many drivers – especially commuters – this is where the Denali treatment might actually start to make sense. “You’re more likely to encounter these luxury items on your daily commute than use some specialized off-road equipment each week,” says Edmunds. The upcoming 2026 GMC Yukon Denali, for instance, gets a larger 15-inch head-up display and optional power sliding console, along with Magne Ride damping (on a top Denali trim for the first time). And if family trips and the highway are more common modes for you, Denali’s priorities make more sense. What About the Price Difference? The price gap can swing wildly depending on the specific GMC model and equipment. For example, right now GMC has the 2026 Terrain AT4 on offer with an MSRP starting at $41,395 and a 2026 Terrain Denali with a starting price of $43,895. That puts the Denali at about a $2,500 premium over the AT4  before you've added even one option or assessed destination charges, delivery, handling, documentation, etc.For large, premium GMC SUVs and pickup trucks, this could be different indeed.Comparing the specific trim level of AT4 and Denali of the GMC vehicle you want is far more productive than trying to guess that price difference is universal or standard on equivalent equipment across the product lineup. Which One Should You Choose? Choose AT4 if you: Regularly drive on gravel, dirt, or rough roads Want stronger off-road capability Prefer rugged styling Want terrain-focused equipment Plan to use your GMC for outdoor adventures Choose Denali if you: Spend most of your time on paved roads Want a more luxurious cabin Prioritize premium comfort Want upscale exterior styling Value additional technology and convenience features AT4 or Denali: What's Actually Worth Paying For? It all depends on what you actually use it for If you'd like your GMC to take you off the pavement And give you more in terms of driving dynamics off-road the AT4 can spend your additional money on you know the equipment that would enjoy going to the wilderness The Denali puts that money, if the road primarily is your home the family or your daily vehicle into the items you gonna use daily so in the interior of premium the technologies within it. So. At the end of the day, neither package is the top shelf; at the end of the day, they serve very specific purposes. The AT4s are focused on capability; Denalis are focused on the finer touches. Find Your GMC at Peruzzi Buick GMC Can't decide between the AT4 and Denali? Come down to Peruzzi Buick GMC in Fairless Hills, PA, and compare the available GMC models and trims hands-on. Comparing the interiors, exteriors, and technology to see which trim will really work for your lifestyle and for your wallet comes much more easily once it's in front of you.