A rear-end collision caused gasoline to spew from one of the vehicles and the bottom burst into flames at about 7 p.m. Thursday at Woodrow Wilson Bridge Drive and Indian Head Highway, fire department spokesman Mark Brady said.
David Ramadhani, a Fed Ex driver from Bowie, got a fire extinguisher from his truck and got the fire under control enough so that he and Michael Harry, of Oxon Hill, could unlock the car door, cut the female occupant's seat belt with a utility knife and pull her from the burning vehicle, Brady said.
The rescued woman and the driver of the second vehicle were taken to a local hospital.
"The immediate removal of the female from the vehicle saved her life," Lt. Dale Giampetroni said. "There is no way anyone could have survived the intense fire that firefighters encountered upon their arrival."
Those firefighters found the vehicle fully engulfed.
The cause of the crash is under investigation.