Automotiveworld iconAutomotiveworldSep 17, 2026

GM unveils 5.7L and 6.6L V8s for 2027 Silverado and Sierra

GM's sixth-gen Small Block raises the stakes in full-size trucks before any electrified powertrain can claim the segment

GM unveils 5.7L and 6.6L V8s for 2027 Silverado and Sierra

Share this story

Send the public story page.

Useful takeaways from this story.

GM's sixth-gen Small Block raises the stakes in full-size trucks before any electrified powertrain can claim the segment

Building the complete brief

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

The useful part

GM's sixth-gen Small Block raises the stakes in full-size trucks before any electrified powertrain can claim the segment

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