The driver was in the 11300 block of Baron Cameron Avenue about 4:20 .m. when the passengers implied that they had a weapon, threatened the driver and demanded money, police said.
The driver handed over an undisclosed amount of cash and was not injured.
The suspects fled on foot toward Wiehle Avenue. One suspect was described as black, very tall. He was wearing a multi-colored shirt and jeans. The second suspect was described as Hispanic, 5 feet 6 to 5 feet 8 inches tall. He was wearing an orange shirt, jeans and a baseball cap.