Unlike the LS power on tap in the CTS-V, the XLR-V and STS-V used a custom-tailored version of Cadillac’s own Northstar V-8. This supercharged, 4.4-liter Northstar was exclusive to these two ...

Cadillac based this model on the STS, which ran from 2005 through 2011 ... You won't have a problem there, thanks to the larger wheels, modified bumpers, hood bulge, distinct grille, and the ...