One fire engine from Taunton was sent to a report of a vehicle on fire on a commercial car sales forecourt on Priorswood Road in Taunton at 03:21 this morning (Thursday).
On arrival, crews confirmed that this was involving two vehicles well alight.
Crews extinguished the fire using two hose reel jets and two breathing apparatus.
Two cars were 50 per cent damaged by fire and smoke and a third car was 5 per cent damaged by fire and smoke.
The cause of the fire was suspected to be deliberate so police were also requested to attend.
Avon and Somerset Police said:
“Police were called at 3.30am today by the fire and rescue service to a car dealership in Priorswood Road, Taunton, after a fire damaged three vehicles.
The incident is being treated as arson.
If anyone saw or heard anything suspicious, please call us on 101 and give the call handler the reference number 5218284363.”