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GM’s 2027–2028 strategy: new platforms and refreshed Cadillac, Chevrolet and GMC lineups

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GM readies five overhauled models for 2027–2028: Cadillac CT5/XT5, Chevy Blazer, Silverado 1500, GMC Sierra 1500—new platforms, V8, hybrid, smarter ADAS.
Michael Powers, Editor

General Motors is preparing a sweeping round of updates that will reach every key brand—Cadillac, Chevrolet, and GMC. Across 2027–2028, the company plans to introduce five new or fully overhauled models with an emphasis on technology, design, and performance.

The Cadillac CT5 moves into its second generation while keeping a gasoline engine and U.S. production. It transitions to an improved Alpha 2-2 platform aimed at greater body rigidity and comfort. Following it is a renewed XT5, which remains in the lineup despite earlier plans to end production and will also continue with internal combustion power.

Chevrolet’s Blazer is set for a major redesign, bringing a new interior, expanded driver-assistance capabilities, and a refreshed range of powertrains. The Silverado 1500 becomes the first to ride on the new T1-2 platform and will gain the sixth generation of the Small Block V8 along with a hybrid option.

GMC’s Sierra 1500 won’t be left out, sharing the Silverado’s underlying architecture while leaning into more premium equipment.

Taken together, the updates sketch out GM’s strategy: strike a balance between electrification and traditional engines while keeping brand appeal and technological credibility strong in the U.S. market. The direction feels deliberate—preserving proven hardware where it still resonates, then layering in fresh platforms, upgraded assistance features, and thoughtful design to keep the lineup competitive.