Two fire appliances from Taunton were sent to reports of a garage fire on Midford Road in Taunton at 02:34 this morning (Monday).
Upon arrival, crews confirmed one single garage within a block of 20 garages to be well alight containing one car.
Crews requested a further fire appliance which was sent from Taunton.
Crews extinguished the fire using six breathing apparatus, two hose feel jets, one compressed air foam jet, two thermal image cameras and one triple extension ladder.
Crews checked neighbouring garages for fire spread.
Police were also in attendance.
The fire service said the cause is believed to be deliberate.