Northstar
Cadillac's most technologically advanced engine since the original arrived in 1992 is the DOHC Northstar unit. Although Oldsmobile, Pontiac, and Buick have borrowed the Northstar architecture for their V8 (and even V6) engines, it was not until the 2004 Pontiac Bonneville that a non-Cadillac used the Northstar name.
The Northstar is broken up into different versions depending on model usage and model year.
Read more about this topic: Cadillac V8 Engine