Alfa 159, Brera & 946 Spider
Just seen posted in another section, but it's long been said the 159 has one of the most rigid chassis out there, this blog really does show it to be true!
Car Body Torsional Rigidity - A Comprehensive List (Updated: Apr. 29, 2016) - YouWheel.com - Car News and Review
The Brera is said to be...