This numbers-matching 1971 Pontiac GTO H.O. shares its 455 cubic-inch engine and M-22 ‘Rock Crusher’ four-speed with the flashier GTO Judge — but with only 476 H.O.s ever built, it’s arguably the rarer car. The same owner has had it since 1977, and a certified appraiser recently verified its drivetrain against factory PHS documentation before taking it to 100 mph. Watch to find out why the quiet sibling of the Judge might be the smarter buy.