GM Pledges $500M+ to Develop Next-Generation V-8 Engines for Full-Size Trucks and SUVs

Rumors of the V-8 engine’s demise were greatly exaggerated. General Motors has confirmed plans to invest over $500 million in building a new generation of eight-cylinder engines at its St. Catharines, Canada, manufacturing plant. These next-gen V-8s will power the automaker’s full-size trucks and SUVs, delivering enhanced performance compared to the current fifth-generation engines.

Sixth-Generation V-8: Stronger Performance Ahead

General Motors has outlined that its sixth-generation V-8 will surpass the outgoing fifth-generation engine—currently found in models like the Chevrolet Suburban and GMC Sierra. While full specifications remain undisclosed, GM highlights advancements in combustion and thermal management technology as key drivers of the new engine’s improved efficiency and power.

Displacement Details: Larger Engines for the Next Decade

Industry trade journals Automotive News and GM Authority report that the next wave of V-8s will feature increased displacement over current offerings. The 2027 Chevrolet Corvette Grand Sport will lead the charge with a new 6.7-liter V-8, internally designated as the LS6. A second engine, displacing 5.7 liters, is also in development. For context, the fifth-generation V-8—introduced in 2013—is available in 5.3-, 6.2-, and 6.6-liter configurations.

Plant Upgrades and Production Expansion

Production equipment for the next-gen V-8s has already begun arriving at the St. Catharines plant, which will continue assembling fifth-generation engines in the interim. The total investment for the facility stands at $691 million Canadian—approximately $505 million U.S. at current exchange rates. This funding is exclusive to St. Catharines; additional investments are being made at the Tonawanda Propulsion Plant in Buffalo, New York, and Flint Engine Operations in Flint, Michigan to meet anticipated demand.

What’s Next for GM’s V-8 Engines?

General Motors has not yet revealed full details about the sixth-generation V-8. However, the engine’s debut in the 2027 Corvette Grand Sport will provide an early look. Mainstream consumers can expect to see the new V-8 under the hood of the upcoming 2027 Chevrolet Silverado, marking a significant step forward in GM’s truck and SUV lineup.