Out of all the popular cities in Thailand, Bangkok is the cheapest city to rent a car in at just ₹ 1,141/day. Renting a car in Bangkok is 74% cheaper than renting one in Surat Thani where the per day rate is around ₹ 4,449. Other fairly inexpensive cities in Thailand to get a rental car in are: Koh Samui (₹ 1,187/day), Phuket City (₹ 1,188/day), and Ubon Ratchathani (₹ 1,193/day). While these cities typically have cheaper prices than the rest of the country, travellers looking to rent a car in Bangkok should expect to spend around ₹ 1,141/day on their transportation. The most popular city to rent a car in Thailand is Bangkok.