Steve McGarrett’s large black sedan in Hawaii Five-O was most famously a 1974 Mercury Marquis Brougham. Earlier in the series, he also drove a 1968 Mercury Park Lane Brougham , both in black.

Quick scoop

  • The 1974 Mercury Marquis Brougham is the best-known answer for the big black sedan associated with McGarrett.
  • The show also used a 1968 Mercury Park Lane Brougham for many earlier seasons.
  • Fans often remember it as a sinister-looking black Mercury that fit the character’s authority-heavy image.

In plain terms

If someone asks for the “large black sedan,” they usually mean the later Mercury Marquis Brougham.

If they mean the original early-series car, that was the Mercury Park Lane Brougham.

TL;DR

McGarrett drove a black Mercury Marquis Brougham later on, and earlier a black Mercury Park Lane Brougham.