SRO GT4 is a class of grand tourer racing cars maintained by the SRO Motorsports Group that race in various Auto racing series across the globe. It is an entry-level class aimed at amateur drivers. GT4 cars are production-based vehicles with a few modifications for racing. The cars are closer to their road legal counterparts than most other GT racing classes; they are also one of the least powerful GT categories. The class uses a balance of performance system to provide close competition between different race cars.

The Lotus Emira is a sports car manufactured by the British company Lotus Cars. It is intended to be the firm's final vehicle powered by an internal combustion engine.