On 2018 Model 3 Performance (Minus) I replaced my Yoko A052 255/40R18 "Autocross Cheater Tires" (200 treadwear) (at 10,500 miles, 1/32" tread depth) with non-Tesla PS4S tires (300 treadwear) with the same size and it seems I am getting less efficiency. There has been a recent firmware update that changed the efficiency display software so I don't know if that had an effect on my perception. Kind of surprising. I like that the PS4S's do have nice rim protectors and that with the extra 10mm of rubber (per side) provides good protection for the "Curb Magnet" Aeros.