As consumers become more comfortable purchasing items online they’d traditionally try out in stores first online, startups are vying to take advantage.

The latest to move into the Philadelphia market is Carvana, an online web service that allows consumers to purchase used vehicles online.

The Phoenix-based company announced that as of this week, customers who live within 50 miles of Center City, an area that includes about 8 million people, can purchase a new vehicle and have it delivered to…