GR Corolla is well known as the high-performance version of Toyota's compact sedan, but that doesn't necessarily mean that it skimps out on comfort.

Nobody has accused the GR Corolla of dullness, but the Gazoo Meisters of the Nrburgring are turning up the heat anyway.

Speaking of the fenders, they appear wider than usual and this suggests the production model could have an increased track. Regardless, the prototype rides on lightweight wheels that are backed up by a high-performance braking system with red calipers.

The mysterious tester had a few visual and technical updates over the regular Toyota GR Corolla and our spies believe it's the hotter GRMN

Toyota is testing a hotter version of its GR Corolla New model will likely be a GRMN Corolla Prototypes feature new aerodynamic features aimed at increasing downforce Toyota looks to be readying the next step in performance for its feisty GR Corolla.

The Morizo Edition of the Toyota GR Corolla is the most high-end model ready for the track. Here's how many were made and how much one is worth now.