THE IS200's interior speaks of its sporting intent and the marque's luxury heritage. The seat trim is Chenille fabric with metal-fibre highlights, the driver's seat eight-way adjustable and the front passenger's seat four-way adjustable. There are separate headrests for all passengers with the front headrests being four-way adjustable the rear headrests are two-way adjustable.

There are seat back pockets on the front seats.