The shocking attack occurred on Tuesday at about 4:30 p.m. at the intersection of Saint Nicholas Terrace and West 127 Street.
Security camera video shows the suspects pulling up to the vehicle, dragging the 64-year-old and 36-year-old victims and repeatedly punching and kicking them.
The suspect also took $150 before fleeing, said police.
The NY Post reported the suspects retaliated after the driver allegedly hit a member of their crew a short time earlier at Frederick Douglass Boulevard and West 127th Street.
The suspects fled westbound on West 127th Street.
The victims were taken by EMS to Mt. Sinai St. Luke’s Hospital in stable condition.
Anyone with information about the assault should contact the NYPD's Crime Stoppers Hotline at 1-800-577-TIPS (8477). The public can also submit their tips by logging onto the CrimeStoppers website on Twitter @NYPDTips.
Police say all calls are strictly confidential.