Why Drupal?
Drupal is the popular open source technology that has a loyal community of users and developers. It means that it has no costs to use the software and there is no licensing fee.
It has comprehensive CMS features providing more power to its platform and its users. Drupal’s version of plug-in are called modules that contain same functionality available in WordPress plug-in.
Drupal can support thousands of pages of content making it as a perfect choice to handle really large volumes of data. Also, it is search engine friendly enabling people to find your site easily. Drupal is carefully tested by experts keeping it most secure CMS platform.
When you build an eCommerce store, Drupal Commerce is better for job as it has several eCommerce modules, payment gateways, shopping carts, logistics handling, customer CRM, etc.