Toronto Highlights City Tour What is the maximum group size? Our tours are limited to 14 guests.  Average group size is 7. We can also accommodate private groups of any size. What type of vehicle do you use? We use modern, fully air-conditioned vehicles such as Mercedes-Benz Sprinters. How long is the tour? The tour is 3 hours. Is there a tour guide? Yes. Our tours are conducted by superb tour guides. How far in advance should we book? Please reserve as soon as possible as our maximum group size is 14. Do you offer charters/private tours year-round? Yes. Please contact us to arrange charters or private tours for any group size. ​How do we book? Bookings can be made online or by phone at 1-800-228-6902 or 1-416-915-2516.