VERB (2)

1. be sold more often than other, similar products;
- Example: "The new Toyota outsells the Honda by a wide margin"

2. sell more than others;
- Example: "This salesman outsells his colleagues"

The Collaborative International Dictionary of English v.0.48:

Outsell \Out*sell"\, v. t.
   1. To exceed in amount of sales; to sell more than.
      [1913 Webster]

   2. To exceed in the price of selling; to fetch more than; to
      exceed in value. --Fuller. --Shak.
      [1913 Webster]