Big trucks and SUVs continue to be the backbone of GMC’s business, and American buyers show no signs of losing interest. The Sierra full-size pickup and Yukon full-size SUV remain the brand’s heavy-hitters, and while they’ve been strong performers, GMC isn’t sitting still. Designers and engineers are already deep into developing the next versions of their most in-demand models.

More: GM’s EV Dream Plant Is Now A Gas Powerhouse In The Making

GMC, much like sibling brand Chevrolet, isn’t stepping away from internal combustion engines just yet. That’s proving to be a practical move as EV demand has cooled, in part due to the rollback of federal incentives under the Trump administration. But electrification at GMC doesn’t start and end with battery-electric vehicles. Plug-in hybrids are now part of the plan.

Plug-In Powertrains and Production Plans

GM CEO Mary Barra has confirmed that plug-in hybrid models will join the lineup in 2027. That same year, GM plans to ramp up production of the Sierra at its Orion Township facility in Michigan. According to Automotive News, this timing may align with a mid-cycle refresh for the Sierra, followed by updates to the heavy-duty version in 2028.

These refreshed models are expected to feature electrified powertrains as their main upgrade, alongside tweaks to styling and onboard tech. The all-electric Sierra EV could also see its own redesign in 2028, potentially bringing it more in line with its combustion-powered counterpart. As for the related Yukon and Yukon XL SUVs, a redesign is reportedly planned for 2029, and they too are expected to adopt plug-in hybrid options.

Future Updates Across the Lineup

The rest of GMC’s portfolio is also set for change. Autonews reports that the fully electric Hummer, which began production in late 2021, will likely undergo a mid-cycle refresh around 2028 for both pickup and SUV variants. The current-generation Arcadia, launched in late 2023, could be due for an update by 2027 or 2028. Meanwhile, the Canyon midsize pickup is expected to get a refresh in 2029, six years after its debut. The GMC Terrain is also quite fresh, so don’t expect a facelift before 2028 or 2029.

More: Forget The Cadillac XT6, This Is GM’s Fanciest Crossover

The aging GMC Savana van is expected to stick around at least through 2026, with some reports suggesting a potential production expansion. First introduced in 1996 and largely unchanged since then, the Savana continues on alongside its Chevrolet Express twin.

Growing Sales Driven By the Full-Size Segment

Sam Fiorani, Vice President of Global Vehicle Forecasting at AutoForecast Solutions, pointed to the strong position GMC holds in the full-size market: “Trucks are such an important part of the U.S. market, and GMC has cornered the segments that are a bit more upscale than Ford or Chevrolet.”

That strategy appears to be paying off. GMC posted its best-ever first-half sales in 2025, reaching 315,906 units, an 11 percent increase over last year. The Sierra alone accounted for 166,409 of those sales, up 12 percent. The Yukon followed with 48,190 units sold, a 22 percent increase.

The only drop came from the Terrain compact SUV, down 34 percent with 32,361 units sold. On the other end, the Hummer EV saw the largest percentage gain in the first half of 2025, climbing 74 percent to 7,987 units. Still, it remains GMC’s second slowest-selling model, just ahead of the newly introduced Sierra EV, which logged 2,774 units in the same period.