Drag Race - C8 Corvette - Duramax Diesel - Twin Turbo V12 Bentley GT. Posted: June 1, 2025 | Last updated: June 7, 2025. More for You. The Polling on Elon Musk Is a Warning for Republicans.

GM 6.6L L5P Duramax V8 Turbo Diesel. Dana60Cummins/Wikimedia Commons/CC0 1.0. We promised we would get to GM's L5P later, and now here it is. This is GM's most modern turbo diesel as of 2025.