The Jaguar XJR-10 is an IMSA GTP sports prototype race car, designed, developed, and built by TWR for Jaguar, with the aim of competing, from 1989, in the IMSA GT Championship. Jaguar XJR-10s competed until 1991, before Jaguar replaced it with the Jaguar XJR-16. The car debuted a new 3.0-liter twin-turbo V6 engine, which replaced the previous V12, and was later fitted to the Jaguar XJ220 as well.[1][2][3]