2018 was the year Tesla took over. Tesla commanded ~65% of the plugin market in December:
For the full year 2018, Tesla had 53% market share. GM, with the second largest market share was at only 10%:
The Model 3 similarly took over the US Compact Luxury sedan market:
In fact, Tesla sold so many Model 3’s in the last 6 months that it has been in the top 5 passenger cars sold since September and now has entered the top 10 for all of 2018. The Model 3 had 5.5% of the passenger car market in December and 2.6% for 2018.
With just three models for sale, Tesla is on track to overtake the top US luxury brands in 2019. If not in 2019, definitely in 2020:
Here is 2018 by month:
Maybe 2019 is the year of the Tesla Killer that we’ve been hearing about? It is more likely 2019 will be the year Tesla enters the S&P 500.