Some figures on skidpad lateral acceleration:
Scion FR-S with stock tires: 0.89g
Scion FR-S with Dunlop Star Spec's (215 size): 0.94g
Scion FR-S with Dunlop Star Spec's (235 size): 0.96g
Subaru BRZ 2017 with stock tires and revised suspension: 0.90g
Porsche Cayman S 2014 with stock tires: 1.04g
Sources:
http://www.roadandtrack.com/car-cult...ransformation/
https://www.caranddriver.com/reviews...rm-test-review
https://www.caranddriver.com/reviews...al-test-review