This Marlboro-liveried car is running a Buick engine, with the rest a bit unclear.
The only car I can ID for certain is the T125 Lotus, which was the customer racer they sold briefly in 2012-2013.
Group 4C - Modern Formula
2013 Lotus T125
1997 Lola T97/20
1994 Shelby Sports Racer
2002 Dallara Indy
2006 Swift JMS016P
1997 Lola T97/20