GM Tonawanda plant gets $888 Million investment for next-gen V8s

General Motors Tonawanda plant is set to receive a record-setting $888 million investment for the production of next-generation V8 engines.

The sixth-generation powertrain will be used in GM’s full-size trucks and SUVs and promises improvements in performance, fuel efficiency and emissions.

GM Tonawanda plant investment

The investment, the largest GM has ever made in one of its engine plants, will fund new machinery, tools, equipment and facility renovations. Production of the new V-8 is slated to begin in 2027.

“Our significant investments in GM’s Tonawanda Propulsion plant show our commitment to strengthening American manufacturing and supporting jobs in the U.S.,” said GM Chair and CEO Mary Barra. “GM’s Buffalo plant has been in operation for 87 years and is continuing to innovate the engines we build there to make them more fuel efficient and higher performing.”

The new V-8s will feature advanced combustion technologies and thermal management systems designed to enhance performance while reducing environmental impact according to a GM statement. The upgrades align with GM’s broader strategy to modernize its internal combustion offerings as well as expand its electric vehicle lineup.

Tonawanda becomes the second GM facility selected to build the sixth-generation V-8, following a $500 million investment in the Flint Engine Operations announced in early 2023.

The Tonawanda facility, represented by UAW Local 774, will continue producing the current fifth-generation V-8s alongside preparations for the new engine line.

The announcement is the latest in a series of strategic manufacturing investments GM has made over the past 15 years, reinforcing the automaker’s long-term commitment to its U.S. operations and workforce.

2027 Chevy Silverado 1500, GMC Sierra

This engine will be used in both the new 2027 Chevy Silverado 1500 and GMC Sierra which are expected to be all new.

We’ve seen spy photos of the new trucks already driving around and they are expected to have several upgrades including new seats, new interior layouts and the new powertrains.

It is also likely these trucks could be either a plug-in hybrid setup as GM has publicly said they were looking into or a hybrid setup like the Ford F-150 Powerboost.

It is likely the new powertrains will launch in the trucks first expected out by the fall of 2026 then in the full-size SUVs to follow as production ramps up.

Our take

There is a lot of controversy online over the 6.2-liter V-8 engine recall and the use of 0W20 oil. Then, there is the ongoing concerns over lifter failure, cylinder deactivation and direct injection causing long-term reliability concerns. These new engines will do little to quell those concerns unfortunately. The press releases states quite clearly they are going to be designed with “improvements in performance, fuel efficiency and emissions.”

That means lighter-weight oils, direct injection, cylinder deactivation and whatever else GM engine engineers can come up with to improve performance.