GM Suspends 2026 SUV Sales Over Undisclosed Problem

Three SUVs, One Platform, Same Problem

General Motors has placed a stop-sale order on three of its midsize SUVs – the 2026 model years of the GMC Acadia, Buick Enclave, and Chevrolet Traverse. While these nameplates each target slightly different market segments, they’re all built on the GM C1 platform and assembled at the Lansing Delta Township plant in Michigan. They also share the same 2.5-liter turbocharged inline-four engine.

But right now, what they really share is a problem. As of July 7, GM has issued a stop-sale on all three 2026 models, citing an undisclosed quality issue, according to GM Authority. Dealers were instructed via bulletin N252517720 not to sell, trade, auction, or even use affected vehicles for demonstration purposes. The order covers specific VINs, and while GM investigates the issue, these SUVs are essentially on lockdown.

Stop-Sale Hits as 2026 Updates Roll Out

The timing of the stop-sale is unfortunate, especially since the 2026 model year brings notable updates for all three SUVs.

The 2026 GMC Acadia gets more tech than the outgoing model year, but with a price hike in tow. It now starts at over $44,000, with standard features including a digital key card and a Rear Camera Mirror for the Elevation trim, while Glacier White Tricoat and Riverstone Metallic replace older color options.

Meanwhile, the 2026 Buick Enclave gets updated interior trim, upgraded in-car tech, and a sleeker infotainment interface. The automaker also shuffled paint options and tweaked some of the standard safety tech.

The 2026 Chevy Traverse has only been redesigned for 2024, which hosted the return of the Z71 trim and a new, sportier-looking RS variant. While no major powertrain changes were introduced, the Traverse benefits from tech upgrades and refreshed interior styling.

No Timeline Yet, and It’s Not the First Time

GM hasn’t provided a timeline for when the stop-sale might be lifted, or what quality issue exactly triggered it. Of note, production has already started, so the problem must have been really important to not reach customers.

This isn’t the first time that GM has issued a stop-sale order. In 2023, GM halted sales of the Chevy Blazer EV due to software issues, while in 2016, it stopped selling certain SUVs over incorrect fuel economy labels.