If you read our report this morning regarding the closed-door 2027 Silverado dealer reveal happening next week in Las Vegas, you knew the leaks were coming. But we didn’t expect the floodgates to open this fast.
GM-Trucks.com has just obtained a massive, highly detailed set of spy photographs showing the next-generation 2027 GMC Sierra 1500. Not only do we have our best look yet at the exterior styling of the new Denali, but we finally have the holy grail: completely uncovered, crystal-clear shots of the all-new 2027 Sierra AT4 interior.
Discuss these spy shots in our 2027+ Silverado/Sierra Forum
Forget the heavy vinyl drapes we saw on test mules late last year. These prototypes are shedding their camouflage, and they reveal a truck that borrows heavily from both the mid-size Canyon and the flagship Sierra EV, while pushing the ICE (Internal Combustion Engine) platform into an entirely new era.
Grab a cup of coffee. Let’s break down exactly what General Motors is hiding in plain sight.
IMPORTANT UPDATE: While we look at the 2027, GM has just issued an emergency recall for 2020-2022 models regarding transmission-related rear wheel lockup. [See if your truck is on the list here.]
The Face of the 2027 Denali: Lighting and Grille Details
We are looking at a 2027 Sierra 1500 Denali prototype, and for the first time, the heavy mesh covering the grille is completely gone.
The new Denali grille consists of approximately ten thin, horizontal slats, giving it a highly refined, premium width. But the real story is the lighting. Underneath the tight wrap, this prototype is running its actual production lighting setup. We can clearly see a portion of the new, highly stylized LED signature, the projector beam headlight units, and heavily revised bumper-mounted fog lamps.
Rounding out the stance, this prototype is rolling on Bridgestone Alenza tires—a staple rubber choice for Denali trucks running premium 22-inch or 24-inch wheel packages.
Muscular Sheet Metal: Canyon & EV Influence
The current T1 architecture has always been handsome, but the 2027 Sierra is getting significantly more aggressive. The tight wrap on this prototype simply cannot hide the more chiseled, expressive surface development applied to the front and rear fenders.
The haunches and flared fenders take direct inspiration from the aggressively styled GMC Canyon midsize truck. Meanwhile, the squared-off wheel arches look like they were lifted straight off the GMC Sierra EV.
Furthermore, GMC is continuing to heavily differentiate the Sierra from its Chevrolet Silverado counterpart. While the 2027 Silverado spy shots we covered previously showed twin bulges on the outer thirds of the hood, this Sierra prototype features a massive, single, wide power bulge running straight down the center.
Looking lower, the front bumper showcases vertically-oriented tow hooks and a completely revised lower air-intake, distinctly different from the Chevy setups we’ve analyzed.
The MultiPro Tailgate Evolves
Moving to the rear, the camouflage is pulling tight enough to reveal the cut-lines for the new Sierra 1500’s multifunction tailgate.
These new shots strongly suggest that the 2027 ICE trucks will adopt the advanced MultiPro tailgate mechanics utilized on the Sierra EV. However, it appears GMC has incorporated that functionality into a unique ‘gate with different overall exterior styling to separate the gas/diesel trucks from their electric siblings.
The Holy Grail: 2027 Sierra AT4 Interior Fully Exposed
This is what you came here for. We managed to get a look inside a 2027 Sierra 1500 AT4 prototype, and the interior is completely uncovered.
This is a massive departure from the current architecture and an entirely new layout for the GMC lineup. The 2027 Sierra is dominated by a massive, landscape-oriented infotainment screen that stretches across the center stack.
Unlike the current generation, the HVAC vents have been relocated below the main screen. Directly under the vents sits a row of GMC’s familiar, premium toggle-style switches, with an additional row of auxiliary buttons located at the very bottom of the stack.
The center transmission tunnel has been completely redesigned. It now features a large storage cubby with what appears to be dual inductive wireless phone chargers. The cup holders appear to be direct carryovers from the Sierra EV pickup, alongside a generous, camo-covered armrest and storage bin.
Looking past the steering wheel, the driver instrumentation screen also appears to be lifted from the Sierra EV. But there is a key difference: while the EV’s digital cluster sticks up from the dash area like a tablet, the ICE truck has the screen cleanly encased within a traditional, clean-lined dashboard hood.
The Column Shifter Returns (Sort of…)
Perhaps the biggest news for traditional truck buyers: the center console gear shifter is gone.
The new 2027 Sierra 1500 will utilize the electronic transmission selector stalk found on the Sierra EV. By moving the shifter back to the steering column, GMC has removed the clunky gear selector from the center console, drastically cleaning up the space between the driver and passenger and maximizing storage utility.
The Vegas Reveal is Real
When you combine these incredibly finished, production-ready prototypes with our report this morning regarding the 4-month inventory build and the closed-door Vegas dealer reveal next week, the picture is crystal clear. The 2027 generation is arriving faster than anyone anticipated.
What do you think of the new interior layout? Are you happy to see the center console shifter gone? Join the debate right now in the Next Gen 2027 Silverado and Sierra forum section.
Zane Merva is the Executive Editor of GM-Trucks.com and the President of the New England Motor Press Association (NEMPA). A veteran automotive journalist with over 26 years of experience, Zane is a designated ‘Car Talk’ Expert and has been a contributor to The Boston Globe. He possesses a unique evaluative perspective, having road-tested more than 2,000 vehicles across every major manufacturer. While he is a recognized authority on General Motors truck platforms—including the Silverado, Sierra, and Colorado—his expertise is grounded in decades of deep competitive analysis that few in the industry can match. His commentary has been featured by major OEMs and media outlets, including Hyundai and PR Newswire