Half the Car Ads at the Super Bowl Were for Electric Vehicles. But They Made Up Less Than 2% of Car Sales Last Year. Posted byAlanis King February 4, 2020 Leave a comment on Half the Car Ads at the Super Bowl Were for Electric Vehicles. But They Made Up Less Than 2% of Car Sales Last Year. The cars featured during the ad breaks included the new GMC Hummer, the Audi E-Tron Sportback, the Porsche Taycan, and the Ford Mustang Mach-E.