Many times I have said to follow UTQG rating but not 100% since many say some tyres high treadwear rating but fast wear off, some AA traction but traction not really there but of course there are other factors like...
I have a SMT6 in my N/A Wira tuned during a typical hot Malaysian afternoon. During hot days in the afternoon...the car runs great - engine revs smoothly and car feels torquey...