Historical clue formulations

• Auto whose engine is apt to purr? — 2020-09-26
• Jungle predator — 2018-08-26
• Luxury car name since 1935 — 2016-05-06
• Operating system between Puma and Panther — 2012-11-04
• Figure of many a Mayan deity — 2011-09-07
• Symbol of strength, to the Maya — 2011-07-17
• Alternative to a Mercedes or BMW — 2006-09-04
• Black-spotted cat — 2000-04-04