Tesla (NASDAQ: TSLA) has been the darling of the auto industry over the past decade, building a market cap that at times was larger than all of its major competitors combined. Investors have noticed, and Tesla stock is actually underperforming rival General Motors (NYSE: GM) by a wide margin over the past year. If you"re interested in investing in either Tesla or General Motors today, which stock is better?

The vehicle will feature five LED interactive displays, including a 55-inch-diagonal screen spanning the front cabin of the car; a "smart glass roof" that includes customizable transparency options; and Ultra Cruise, GM"s next-generation advanced driver-assist system that the company has said will be capable of driving itself in most circumstances.