Horsepower divided by kerb weight, the figure that settles the argument a power figure starts.
The top of this board holds the Power per tonne badge

1996 Nissan Silvia
Oleksii· Own figures

Counted from what people entered — a typo is not a record. Owner-entered figures are marked; where the figures come from.

2009 BMW M3
Oleksii· Own figures· Still owned

2006 Mitsubishi Lancer Evolution IX
Konstantin· Own figures

2002 Porsche 911
Grisha· Still owned