Automotiveaddicts iconAutomotiveaddictsSep 17, 2026

GM’s New 5.7-Liter and 6.6-Liter V8 Engines Bring More Muscle to the 2027 Silverado and Sierra

General Motors is giving traditional V8 truck buyers plenty to look forward to with its sixth-generation small-block engines, and we finally have the numbers that matter.

GM’s New 5.7-Liter and 6.6-Liter V8 Engines Bring More Muscle to the 2027 Silverado and Sierra

Share this story

Send the public story page.

Useful takeaways from this story.

General Motors is giving traditional V8 truck buyers plenty to look forward to with its sixth-generation small-block engines, and we finally have the numbers that matter.

Building the complete brief

The page is ready to read now. The fuller skim-friendly version will appear here automatically.

The useful part

General Motors is giving traditional V8 truck buyers plenty to look forward to with its sixth-generation small-block engines, and we finally have the numbers that matter.

Keep reading in the app

Open the app view to save this story, compare related coverage, and continue from the same source.

Open in app