$180 apiece. (our i3 has the 19" wheels. No idea what the 20" go for) Some Costcos stock them, ours had to order and it arrived next day. I'd expect this cost

$180 apiece. (our i3 has the 19" wheels. No idea what the 20" go for) Some Costcos stock them, ours had to order and it arrived next day. I'd expect this cost is in the ballpark for their other cars.