i have both (just got the pantiger) but my pantiger is a non smoke and sound. i personally like the bulldog better because it has better ground clearance and it seems that the suspension works better. also all of the vents (i have no idea what they are, i'm not a tank expert.) on the top of the hull are open (could get water in -if its snowing, or just dirt in easier). the bulldogs are closed. i would also recommend a smoke and sound. electronics are better and i love the sound. i still love my pantiger even though its not a ss but i think i like my bulldog more.