Police said they received a report of the fire at about 3:05pm from Noppadon Phonlawer, 38, a resident of Moo 9, Thepkrasattri.
Officers arrived at Mr Noppadon’s home to find a Nissan half-cab pickup truck, registered in Prachinburi, completely destroyed by the blaze.
The owner of the vehicle was identified as Wanchai Malee, 65, from Sattahip District, Chonburi Province.
Thalang Police have filed a report and notified the Phuket Forensic Science Centre to examine the scene to determine the cause of the fire.
Officers are also reviewing CCTV footage from the surrounding area to assist the investigation.
Pol Lt Col Panya Chaiwichit, Criminal Investigator at Thalang Police Station, is leading the inquiry.