Question: what is the best used sports car under 30k?
Answer: Cadillac CTS-V Coupe. Regardless of the price point, the Cadillac CTS-V Coupe is one of the most energizing sports cars around. ... 
Maserati Coupe/Spyder Tipo M138. ... 
Dodge Challenger V8. ... 
Lotus Elise. ... 
Infiniti G37 and Q60. ... 
BMW M3 E46. ... 
Lexus RC 350. ... 
Porsche Boxster.