Tesla patent reveals Roadster active rear wing with 700 kg downforce

The USPTO published Tesla patent application US 2026/0285418 A1 for a two-piece active rear wing that stows flush in the bodywork and generates up to 700 kg of downforce at high speed. Deployment takes under 3 seconds, and DRS mode cuts 250 drag counts. The filing appeared a week before Tesla's Roadster unveiling on October 1 in Texas.

• Wing produces up to 700 kg of downforce at speeds above 100 mph
• Deploys in under 3 seconds, changes angle in under 0.25 seconds
• DRS mode removes 250 drag counts; deployed wing adds 350
• Mechanical latches and predictive sensors retract the wing before rear impacts