| Renha Formigao 1978 | pickup-trucks, Volkswagen |
| REO Speed Wagon 1915-1953 | |
| REVAi G-Wiz 2001-2012 | hatchbacks, REVAi |
| Revenge Design Verde 2010 | concepts-prototypes, coupes, hybrid-vehicles, supercars |
| Revolution A-One (Prototype racing) 2022-current | LMP-racing, racing-vehicles, Revolution |
| Reyn Speed Shop BMW 858 CSL 2024 | BMW, coupes, custom-builds, grand-tourers |
| Rezvani Arsenal 2024-current | crossovers-suvs, Rezvani |
| Rezvani Beast 2016-2023 | coupes, open-top-cars, Rezvani, supercars |
| Rezvani Beast 2024-current | coupes, Rezvani, supercars |
| Rezvani Hercules 2020-current | Offroad, pickup-trucks, Rezvani |
| Rezvani Tank 2017-2020 | crossovers-suvs, Offroad, Rezvani |
| Rezvani Tank 2020-current | crossovers-suvs, Offroad, Rezvani |
| Rezvani Vengeance 2022-current | crossovers-suvs, Offroad, Rezvani |
| RGS Mirage GT-1 1997-2003 | GT-racing, Lamborghini, racing-vehicles, SuperGT-racing |
| Rhino Racing RR01 2023-current | kit-car |
| Rich Rebuilds’ ICE-T (V8 Tesla) | |
| Rickman Ranger kit car | |
| Riley One-Point-Five 1957-1965 (Wolseley 1500) | Riley, sedans, Wolseley |
| Rimac Ampster 2012 | custom-builds, electric-vehicles, Opel-Vauxhall, Rimac |
| Rimac Concept One 2013-2016 | concepts-prototypes, electric-vehicles, hypercars, Rimac |
| Rimac Concept S 2016 | concepts-prototypes, electric-vehicles, Rimac |
| Rimac e-M3 1984/2012 | BMW, custom-builds, electric-vehicles, Rimac |
| Rimac Nevera R 2025 | coupes, electric-vehicles, hypercars, Rimac |