The 2006 Saab 9-3 SportCombi is delivered with a standard five-speed manual gearbox on base models or a six-speed manual on the Aero. For those requiring an automatic, Saab offers its Sentronic manually-interactive transmission as an option. On base models, Sentronic is a five-speed unit; on the Aero, it’s a six-speeder with steering wheel controls.