Someone should take a UV gun or some measurement tool to it. Aside from that there's nothing truly solid to go off of.The Taycan's roof has "7 layers of materials in the glass" to protect it from the sun, haven't experienced it in person yet if it actually works.
1. There will be two models available at launch, the Turbo and Turbo S Porsche is going big with the Taycan by offering its top two trim levels at launch. Customers will be able to choose between the Turbo and Turbo S variants that tap in to the Taycan’s performance capabilities. 2. It has the...www.taycanevforum.com
Really, Porsche should be doing it.If someone were able to do that would be a great way to get definitive numbers.