Elon Musk's "two years from now" (or even "later this year") is everyone else's "in five to ten years." His 2 being everyone else's 5 is also appropriate given

Elon Musk's "two years from now" (or even "later this year") is everyone else's "in five to ten years." His 2 being everyone else's 5 is also appropriate given that he describes their level 2 autonomy as level 5.