| Radar RD6 | radar |
| Radford Pikes Peak 2023 | coupes, hillclimb-racing, Lotus, racing-vehicles, Radford |
| Radford Type 62-2 2022 | coupes, Lotus, Radford, sports-cars |
| Radical Project 25 | Radical |
| Radical Rapture 2019-current | open-top-cars, Radical, sports-cars |
| Radical RXC Turbo 500 2017-current | Radical |
| Radical SR10 XXR 2023-current | open-top-cars, racing-vehicles, Radical |
| Radical SR3 2002-current | Radical |
| Radical SR8 RX 2011 | fh1-roster, fm7-roster, Radical, sports-cars |
| RAF 2203 Latvija | |
| Ram 3500 Dually 1994-2002 | pickup-trucks, RAM |
| Ram 3500 Dually 2018-current | pickup-trucks, RAM |
| Ram Mega Cab Cummins 2017-current | RAM |
| RAM Mopar RAM Runner Prerunner Trucks 2011-2015 | fh3-roster, Offroad, racing-vehicles, RAM |
| Ram pickup 2009-2023 (Ram 1500 Classic) | RAM |
| Ram pickup 2018-current (HD, TRX, REV, RHO) | electric-vehicles, pickup-trucks, RAM |
| Ram Rampage 2023-current | RAM |
| Ram Rebel TRX Concept 2017 | concepts-prototypes, fh4-roster, pickup-trucks, RAM |
| Ram Revolution Concept | RAM |
| Ram Trophy Truck 2018 | Offroad, racing-vehicles, RAM, trophy-truck-racing |
| Rambler Rebel 1957 | AMC, sedans |
| Ramsmobile RM-X2 | |
| Randy Grubb Blastolene Special 2001-2003 (Jay Leno Tank Car) | custom-builds, hot-rods, open-top-cars |
| Rayton-Fissore Magnum / Laforza 1985-2003 | crossovers-suvs, Rayton-Fissore |
| RE Amemiya GReddy VI-AZ1 1996 | coupes, custom-builds, Mazda, sports-cars |
| Rebellion DXX (Dakar Rally) | Dakar-racing, Offroad, racing-vehicles, Rebellion |
| Rebellion R2K 2013 | coupes, custom-builds, hypercars, Rebellion, Ultima |
| Red Bull RB17 2024-current | coupes, hypercars, racing-vehicles, RedBull |
| Red Bull X2010 (X1) (Gran Turismo) - | |
| Redux BMW M3 2021 (E30) | BMW, coupes, custom-builds, sports-cars |
| Regis RAM 4s Mohawk | |
| Reliant Rebel 1964-1974 | Reliant, sedans, wagons |
| Reliant Robin 1973-1981 | Reliant |
| Reliant Robin 1989-1998 (Mk2) | hatchbacks, mpvs-vans, Reliant, wagons |
| Reliant Sabre 1961-1964 | coupes, open-top-cars, Reliant, sports-cars |
| Reliant Scimitar GTC SE8 1980-1986 | open-top-cars, Reliant, sports-cars |
| Reliant Scimitar GTE SE5 1968-1975 | Reliant, sports-cars, wagons |
| Reliant Scimitar GTE SE6 1975-1986 | Reliant, sports-cars, wagons |
| Reliant Scimitar SS1 1984-1990 | open-top-cars, Reliant, sports-cars |
| Renaissance Tropica Roadster 1995 | electric-vehicles, open-top-cars |