The blaze in Hawley Road began in the early hours of Sunday, November 23.
Kent Fire and Rescue Service responded to the fire at 12.10am, sending three fire engines to the scene.
Firefighters wearing breathing apparatus tackled the flames using high-pressure hose reel jets.
The fire, which started in one car, spread to two other vehicles before being brought under control.
No injuries were reported.
Initial investigations suggest the fire was accidental, likely caused by a fault in the vehicle.
Crews remained on-site until 3.04am to ensure the area was safe.
