This corporate, peaceful and calm name could be ideally suited to an automotive, transport or travel company.
The word "PremiumSedan" contains 12 characters and five syllables.
Premiumsedan.com is a dot com domain. Dot com domains are the most valued top-level-domain in the world, famously used by websites like twitter.com. A dot com is the first thing people think of when they think of a website.