Cadillac Deville theory - MOST new Devilles are initially bought by over-40 businessmen and post-soccer moms. When the cars get a few years old and the resale value drops to an "affordable" level for a younger "I want a Cadillac" group, then you see the 18 - 28 year group drivers.
Cars and why My first car (at 16 years old) (1955) was a "partnership" in a 1949 Cadillac hearse. Then a 1953 Morris Minor drophead coupe. Then from '55 through today: an MG, Austin Healey, Jaguar, Corvair, special order Corvair Spyder, special order '65 Chevelle Malibu SS 327/350, a series of family sedans (all used), a '72 Volvo wagon(POS), a resto '67 Cougar, resto '65 Pontiac GTO 398 tri, 3 Fox body Mustang GT's, 2 Taurii, the STS + trucks. Why the STS ?? Good deal, nice car, and I have not lost "the need for speed". In addition to daily driver cars I have had 7 motorcycles (both road machines and dirt track scramblers), 3 airplanes, and a few 1/4 mile drag coupes. Different time and economy - but that '65 Chevelle cost me - special order, new, delivered - $2388 out the door. A brand new 427/435 4-speed Stingray hardtop was about $7,000 out the door. As an indicator of how some things appreciate in value, in 1960 I bought a 1945 Piper Cub for $650 ! Today, that same airplane in good condition would easily sell for $50,000 !