Car Abbreviations and Acronyms
- RADCONRadio Controller
- RAESRRice Advanced Engineering Systems and Research
- RAOCRenault Alpine Owners Club
- RARRefinarias De AçÚCar Reunidas
- RASRear Aclive Steer
- RASRRacers Against Street Racing
- RBRear Bumper
- RBRunning Boards
- RBRacing Beat
- RBRail Box
- RBRare Breeds
- RB8Receiver Bit 8
- RBFRicharddburns Foundation
- RBSRadar Brake Support
- RCRadio Controller
- RCRmcing Concept
- RCRadar Conirol
- RCReal Cool
- RCReasonable Cause
- RCReserve Capacity
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