265/35/19 PS4S on bronze Ts5s and avg range is about ~10-15 wh/mi less than stock Aeros w/out covers, tested over 5k mi.
Though its not a controlled comparison, varying conditions at play, etc. most of those miles are over the same commute so its ballpark.
That said, 15wh/mi is more margin of error than anything. The biggest impact to efficiency with wide tires, IMO, seems to be driving in rain and its impact on rolling resistance, as well as ambient temps...but that might be more impacting on overall battery efficiency than just tires.
Though its not a controlled comparison, varying conditions at play, etc. most of those miles are over the same commute so its ballpark.
That said, 15wh/mi is more margin of error than anything. The biggest impact to efficiency with wide tires, IMO, seems to be driving in rain and its impact on rolling resistance, as well as ambient temps...but that might be more impacting on overall battery efficiency than just tires.