A firefighter suffered a seizure behind the wheel — sending an FDNY firetruck crashing into several cars parked in Brooklyn Wednesday evening, fire sources told The Post.

Six firefighters, including the driver, were sent to Brookdale Hospital Medical Center with non-serious injuries, the FDNY said.

Surreal images from the scene show a black Acura SUV sandwiched on top of a white Sedan, with a fire truck rammed into them at an angle.

It’s unclear where the firefighters were headed at the time of the accident on East New York Avenue off of St. Marks Avenue in Brownsville.

Additional reporting by Tamar Lapin