The Infiniti G37 IPL Convertible is a luxury sports car produced by Japanese automaker Infiniti. It is based on the G37 Convertible and was unveiled at the 2009 New York International Auto Show. The IPL Convertible features a 3.7-liter V6 engine with 348 horsepower, a 7-speed automatic transmission, and a limited-slip differential. It also features enhanced suspension and chassis components, revised exterior styling, and upgraded interior features.