I noticed when I’m in sports mode, and only in sports mode, it won’t shift from 3rd to 4th until 3,500 or 50ish mph, is this normal? Or is it a sign of a deeper transmission issue. Shifts completely fine in drive tho. Thanks

 

That is precisely why it is called "Sequential SportShift"—so that the vehicle attempts to maintain higher RPMs, at which the engine produces its maximum torque.