Conversation so far:
how old does a car have to be to be historic
“Historic vehicle” means a vehicle that is over 25 years old, and that is owned solely as a collector's item
what are some examples of historic cars
The 1967 Chevy Corvette, the 1975 BMW 3.0 CSL, any pre-1974 Porsche 911–these are some of the vehicles that have earned a significant place in automotive history

Question: what are some features of the porsche
Self-contained rewrite: what are some features of the porsche 911