The Toyota IST can be a good option as a rental car, especially for those who are looking for a compact and fuel-efficient car for urban driving. The IST's small size and nimble handling make it easy to maneuver in tight spaces and navigate through crowded city streets. It also has good fuel efficiency, which can help keep rental costs down.
The IST's practical and functional interior design can make it a comfortable car to drive for longer periods of time, and its high seating position can provide better visibility on the road. The IST is also known for its reliability and low maintenance costs, which can be a benefit for rental car companies.
Overall, the Toyota IST can be a good rental car option for those who are looking for a practical and economical car for urban driving. However, it may not be the best choice for those who need more space or plan to do a lot of highway driving, as its small size and engine may not provide the best performance for these situations.