| Car Name: | Proton Iriz R5 |
| Category: | R5 |
| Constructor: | Mellors Elliott Motorsport (MEM) |
| Drivers: | Oliver Mellors, Nabila Tejpar, Julian Hope, Oliver O'Donovan, Theo Bengry, Eugene Donnelly, David Condell, Declan Gallagher, Liam Egan, James Williams |
| Technical Ref: | [1] |
| Front Suspension: | Reiger |
| Rear Suspension: | Reiger |
| Engine Name: | MEM developed 4B11 engine |
| Capacity: | 1.6L |
| Turbo/Na: | turbocharged |
| Gearbox Name: | XTRAC Sequential Gearbox |
| Gears: | 6 |
| Differential: | 4-wheel drive |
| Weight: | 12301NaN1 |
| Lubricants: | SORT Oil |
| Tyres: | Michelin |
| Debut: |  2017 Goodwood Rally Stage |
| First Win: | Goodwood Rally Stage 2017 |
| Last Win: | Grizedale Rally Stages 2019 |
| Races: | 39 |
| Wins: | 8 |
| Podiums: | 15 |
| Cons Champ: | 0 |
| Drivers Champ: | 0 |
| Teams Champ: | 0 |
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]