General Motors entered 2026 with momentum. Instead, it ended the first quarter fighting a broad slowdown across nearly every brand. Total sales fell 9.7 percent to 626,429 units, signaling a tough start to the year for one of America’s largest automakers.

While winter storms were cited as an early headwind, the numbers point to deeper challenges. Buick stumbled badly, Cadillac’s EV-heavy strategy showed cracks, and Chevrolet struggled across both electric and gasoline models. Only GMC managed to hold relatively steady.

Here’s the thing. This wasn’t just a soft quarter. It looked like a shift in momentum.

Buick’s Momentum Suddenly Vanishes

Buick had been quietly rebuilding. The affordable Envista brought new buyers into showrooms, and the redesigned Enclave showed promise. Then the momentum faded.

Buick sales plunged 32.6 percent to 41,654 units. The biggest hit came from the Chinese-built Envision, which dropped 71 percent after a $3,000 price increase and tariff pressure. Dealers currently hold more than 9,000 units in inventory, roughly six months of supply. That suggests demand, not availability, is the real issue.

Other models also struggled. The Encore GX fell 36 percent, while the Envista slipped 9.7 percent. Even the newer Enclave dropped slightly by 3.3 percent.

Buick’s electrification plans in the United States also appear stalled, leaving the brand without a clear direction just as competitors accelerate their EV rollout.

Cadillac’s EV Bet Shows Mixed Results

Cadillac’s aggressive move into electric vehicles delivered uneven results. The removal of EV tax credits last year continues to impact demand.

Lyriq sales fell 21.6 percent, while the Escalade IQ dropped 26.8 percent. However, the Optiq surged 65.9 percent following powertrain upgrades and the introduction of the Optiq-V. The three-row Vistiq also showed early promise with 1,902 units sold.

Gas-powered models offered limited relief. The outgoing CT4 rose 27.4 percent, though volume remained low. Meanwhile, CT5 sales declined 13.3 percent and the Escalade fell 28.5 percent. Older XT models continued to fade from relevance.

Overall, Cadillac sales dropped 25.5 percent.

Chevrolet Faces EV and Gasoline Pressure

Chevrolet experienced one of the roughest quarters. Electric vehicle sales were particularly weak.

Blazer EV sales plunged 82.6 percent, while Silverado EV dropped 41 percent. Even the revived Bolt struggled, moving just 791 units during the quarter.

Gasoline models didn’t provide much support. The Blazer fell 26.3 percent, Equinox dropped 13.5 percent, and Tahoe declined 10 percent. Suburban, Trailblazer, and Colorado also posted losses.

Two bright spots emerged. Traverse sales jumped 33.6 percent, and Silverado 1500 rose 7.9 percent. Still, they weren’t enough to offset broader declines. Overall Chevrolet sales fell 8.1 percent.

GMC Holds Steady Amid Industry Headwinds

GMC delivered the most stable performance among GM’s brands. Sales dipped just 0.2 percent.

Terrain rose 35.2 percent, and Canyon increased 21.2 percent. The Acadia held steady, while Sierra EV saw a modest 3.1 percent gain.

However, challenges remained. Hummer EV sales dropped 52.5 percent, and Yukon volumes fell 11.7 percent.

A Tough Start to 2026

General Motors attempted to strike an optimistic tone, highlighting stronger March sales and growth in Super Cruise subscriptions. But the broader picture suggests a company navigating shifting demand, uncertain EV adoption, and brand-specific challenges.

What this really means is simple. GM still leads in U.S. sales, but the road ahead looks far less predictable than it did just a few months ago.