* I don't have to pay tax on the entire car, only for the duration I have it for.
* I don't like to own a car for more than 2 years.
* I don't have to worry about car maintenance or other costs involved with wear and tear.
* I don't have to try selling my car when it's time to give it up.
* I feel like I got a good deal on it.
Of course, financing plays a big role. It all depends on how many miles you drive and how long you like to own cars for.