Ok le me give you some tips on how to determine the options on a ls. Lets start from the front of the car. Turn on the headlights and fog if the head lights are brighter than the fogs you most likely have the hid headlights if they are the same colors then you have regular hologen headlampsheadlamp Now in the read of the car if you look at the bumper if you have round objects that are evenly spaced jn the middle of the bumper then hose are sensors for rear back-up if its flat surface then you don't have it. Now to the interior of the car. They Are 2 radio options for this year. The premium alpine system that is non navigation enabled and carries a 6 cd changer and the other is the superior thx navigation unit. Look up and if you see the sky then most likely you have a moonroof if no sky is seen then don't panic youdont have a moonroof. Now look in the left side of the steering week if you see a button with a pedal kn it then you have the adjustable pedals. In the center console behind the ebrake there is the either advanced traction control or regular traction control button push it and it will tell you what you have for example it will say either traction off/on or advance trac off/on. But really just fallow joeger list and moat of the options other than the heater block can be easily seen and just cross out what you have and do that for both cars but maybe if you give us the vin numbers or if you log in or create a account at
www.myford.com when you place your vin number on that site it will give you a itemized listings on all the options that are factory installed on that car I haven't logged into mines for a while (couple of years) but that's a good way to get the list if installed options.