what year did cadillac stop using the northstar engine
Northstar engine series GM ceased production of the 4.6 L Northstar in 2003, and the remaining series in July 2010. The final cars to receive it, the Cadillac DTS, Buick Lucerne, and Cadillac STS, rolled off the line in 2011.[1] It was replaced by the GM LS small-block OHV engine, used in newer Cadillac V8 models like the CTS-V, marking a step back to a simpler, more reliable push rod engine design.
Cadillac DTS The first version of the DTS was initially shown at the 2005 Chicago Auto Show on February 9. The DTS remained in production until 2011.