Certified. Best Time to Buy a Convertible is NOW!!! 2007 Saturn Sky Base RWD ECOTEC 2.4L I4 DOHC VVT Aluminum, Aisin Close-Ratio 5-Speed Manual, Alloy wheels. 20/28 City/Highway MPGCertification Program Details: AutoRide Certified. These vehicles go through a vigorous 125 point inspection. All AutoRide Certified vehicles come with a 12 month 12,000 mile Enhanced Powertrain warranty.