Well After years of owning my Bugeye WRX and with not a lot of the original car left it was interesting to see what it weighed and it came out at 1426 with a full tank of petrol say 50 lts = 37.5 kgs so still about the same as the original weight but I have a 6 speed dccd box now which is about 30 kg more. So still about 100 kg less than a STi