The amenities and safety features in Tesla's Model S compete well with those in the gas-powered luxury cars of today -- but to keep up with the likes of Mercedes-Benz, even Tesla will have to push technology further. Photo credit: Tesla Motors

Tesla Motors (NASDAQ:TSLA) and its brash CEO, Elon Musk, love nothing more than to name an outrageous-sounding technological goal -- and then meet it. The latest: Musk said this week that Tesla will be able to offer cars that are (mostly) self-driving in three years.

That's way ahead of giants General Motors (NYSE:GM) and Toyota (NYSE:TM), which have been saying that 2020 is a more likely date for the arrival of autonomous cars. In this video, Fool contributor John Rosevear looks at what Musk really said and argues that Tesla's goal this time isn't revolutionary -- instead, it's more likely to be the basic price of admission to the luxury-car market in a few years' time.