
GM LF3 vs LF4 Differences in the V-Series Cadillac
If you’ve spent any time lurking around Cadillac forums or staring at engine bay photos of late-model Vs, you’ve probably noticed two alphanumeric codes popping up: LF3 and LF4. At a glance, they look identical, both are 3.6-liter twin-turbo V6s, both wear Cadillac badges, and both make glorious forced-induction noises.




