The Proton Iriz R5 is a R5 rally car built by Mellors Elliott Motorsport in the UK under license from Proton. It is based upon the Proton Iriz road car.[2] The car marked the comeback of the British Rally Championship for Proton.[3]
In 2022, the rally car was succeeded by the Proton Iriz RX (Rallycross), which was built specifically for Team RX Racing and Oliver O'Donovan.[4]