i use 3DS MAX platform and i render on : KEYSHOT 6 - real time render.
this is a simple concept seat
in all of my new models im using real sport car seats measurement to make sure you are getting the accurate meassurement to fit the seat in any model you wish for.
using meshsmooth level 3- the model can be easly ajusted to any level of smoothness and it can be minimized easly i leave the option for you to fit your need