AMC pitched the AMX — which stood for American Motors Experimental ... which came with a new range of engines: a 2.5-liter four-cylinder, a 2.8-liter V6, and a 2.1-liter turbo-diesel.

That much is evidenced by the following video, which features a 1968 Pontiac Firebird and 1970 AMC AMX going head-to-head in three rounds of racing action. Once again coming to us from the Cars ...