What year are you looking at? Aren't the GT seats only a very recent addition earlier pp cars have leather/alcantara with carbon fibre laminate backs. (Which could also be specified separately) Unless you've seen the build spec sheet the only way to spot the LSD is to look for the label on the gearbox which is only easy to see if you take the battery box and ecu out! Earlier cars with PP will visually have manual gearbox, supersport wheels, aerial delete, leather/alcantara seats with carbon backs.