DETROIT — Drivers of the Saab 9-5 sedan and 9-5 SportWagon are among the safest group of drivers in the market. According to the recently published Highway Loss Data Institute (HLDI) report, the Saab 9-5 sedan topped the luxury midsize category for relative frequency of injury insurance claims. HLDI’s study, covering model years 2001-2003, compares cars on the basis of cost of injuries sustained following on-road crashes. The study indicates the relative frequencies of injury compensation claims from an insurance company, per insured vehicle year. Both the 9-5 sedan and SportWagon achieved a rating of “substantially better than average” for injury claims in the luxury midsize category. According to the HLDI formula, the Saab 9-5 sedan’s top ranking for injury claims is 53-percent better than average, and the Saab 9-5 SportWagon’s ranking is 39-percent better than average.