 Cars.com | Cost isn't necessarily an indicator of safety in convertibles Los Angeles Times, CA - The lowest-rated car was the Pontiac G6 from General Motors Corp., which received "marginal" ratings for both side and rear collisions and an "acceptable" ... Most New Convertibles Rate Poor for Safety Volvo C70 and Saab 9-3 Earn First-Ever Top Safety Pick Designation ... 10 Convertibles Put to Crash Tests |