28/November/2018
This is a frequent question.
The Syncro is equally to 2wd immune to roll over, (if not better as I had the opportunity to check many times), because the 140 kgr.ballast, at the lowest point under it's center of gravity, give it a great advantage.
The Syncro has a, static, limit of for more than 45°, a very high limit for any car:
07/December/2018
Some more, official and very conservative, data:
The Syncro Heresy