The Infiniti G37 Coupe and Convertible haven't been crash-tested by either of the two U.S. safety agencies that do so, although the equipment sets for both of these cars are assuring.
In addition to standard dual front airbags, side seat-mounted airbags, curtain airbags (roof-mounted in coupes, door-mounted in convertibles), stability and traction control, and active headrests, you'll find some advanced safety features like adaptive headlights and adaptive cruise control on the options list. There's also a "preview braking" function that uses sensors to predict an impact and applies some brake force to limit impact speeds.
The G37 Convertible comes fitted with twin pop-up roll bars for additional rollover safety.One weakness for both of these models is outward visibility. The low seating position here cuts rearward visibility dramatically for shorter drivers; taller drivers will find Coupes acceptable, and the Convertible does have slimmer pillars to help make the most of the field of vision, even though the roof design can get in the way.