March 81C

This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these messages) Some of this article's listed sources may not be reliable. Please help improve this article by looking for better, more reliable sources. Unreliable citations may be challenged and removed. (June 2022) (Learn how and when to remove this message) This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "March 81C" – news · newspapers · books · scholar · JSTOR (December 2025) (Learn how and when to remove this message) (Learn how and when to remove this message)

The March 81C is an open-wheel race car, designed by and built by March Engineering, to compete in the 1981 IndyCar season. It was March's first successful IndyCar chassis. The March 81C chassis won two out of the eleven races that season, and scored one pole position, all with Tom Sneva. It was powered by the 840 hp (630 kW) Ford-Cosworth DFX turbo V8 engine.^[1][2][3]