Either you're a troll, or just stupid. Or a stupid troll. In any case, you can never have negative power-to-weight ratios because power (HP) and weight (kg) are always positive. Positive divided by positive is always positive.

Anyway, to humour you since you like numbers:
Kawasaki Barako - 13.5 HP
Weight with 7 passengers - 530 kg
Power to weight ratio: 25 HP/ton

Sure, it moves, but with a top speed of 30 kph and lots and lots of revs and smoke.

GT-R with Vios engine: 47 HP/ton
Much higher than the loaded Barako, if that's your point. But it'll still be a very slow car. An L300 has the same P/W ratio but that's a diesel which is why it can climb easily despite not having power. Of course, its top speed up a steep hill is pathetic.

Ultimately thogh, what you want is possible. So why not go ahead and do it? Make a statement to all your haters!

Oh wait, wala ka naman palang pera. Puro drawing nga lang pala 'to.