Time required for fully waxing a car depends on a variety of factors. Here are the most important factors:
- The type and size of the vehicle (a Toyota Prius vs. a Chevy Suburban).
- The type of the the wax
- Using a buffer or doing it buy hand
With all the factors of washing, drying, polishing, sealing, and finally waxing plan on spending about 3.5 hours if you are using a buffer, or about 5 hours if doing it by hand on a medium-sized car. https://nanocareproducts.com/how-long-does-it-take-wax-car/. Waxing a car could take 8-9 hours on a large car.