Seems TESLA does much better R&D spending (others really just wasteful ??)
Six Car Makers Make the List of Top 20 R&D Spenders
2015 - 2018 GM ~ 27.7 Billion
GM's research and development expenditures 2018 | Statistic
2010 - 2018 Tesla <$6 billion ?? please double check
If you look at the dashboard picture on the Model S main page, it shows a battery indicator on the bottom left of the screen indicating 242 miles remaining on charge. This indicator is not more than 60% full which would equate to a total range of over 400 miles when charged to 100%.