VIPERGTSR01
We are in a GT4 Forum so according to GT4
1997 Toyota Supra RZ = 1510kg
2002 Nissan Skyline GTR V-spec II Nur = 1560kg
I wouldnt call that 'much' lighter.
But you are comparing a 1997 Supra to a 2002 GT-R. The GT-R33 V-Spec of 1997 weighs in at 1540kg, so it is actually as close to the same mass as makes no difference.
In answer to the question of this thread, the Skyline is better in all it's forms. The tunability of the engines is better, the handling is far superior, allowing perfectly neutral handling or an awesome drift setup. And, in my opinion, any GT-R looks better than a Supra

The only point I concede (and, running the 300mph Club I have to concede it), is that the Supra wins on top speed. By about 30mph at the top end. But, you rarely reach 304.43mph in circuit racing.
And the ATTESA-ETS System just makes it certain which side to go for. All GT-Rs are fitted with this 4WD system, meaning the acceleration out of corners is second to none, and not many cars will pull away from a GT-R at a standing start.
As a matter of fact, a GT-R33 was pitted against a McLaren F1 in a drag race, by Jeremy Clarkson. I happen to have a copy of that video, and if you watch closely the Skyline pulls away first. Considerably.
If you want, I can re-upload that video.
OK, so I might be biased, but if anyone can argue with the above points, go ahead
DE