JAGUAR X-TYPE X400 I V6 2.1L YB(AJ-V6) DOHC 24v Petrol V6 115kW Sedan FWD [03/02 - 11/09]. JAGUAR X-TYPE X400 I V6 2.1L YB(AJ-V6) DOHC 24v Petrol V6 115kW Wagon FWD [11/03 - 03/09]. XTRA COOL GOLD is suitable for use in all vehicles not requiring anti-freeze protection, both petrol and diesel.