What are the top two red grape varieties of Catalunya?

The top two red grape varieties of Catalunya are indeed Tempranillo and Cabernet Sauvignon. Tempranillo is a significant grape variety in the region, known for its ability to adapt to various climates and produce wines with a range of styles, from fresh and fruity to depth and complexity. It is widely recognized as a key variety across Spain, including in Catalunya, contributing to the production of both varietal wines and blends.

Cabernet Sauvignon is also prominent in Catalunya, reflecting global trends as winemakers experiment with a variety of international grape varieties. This variety thrives well in Catalunya's diverse terroirs, resulting in richly structured wines with excellent aging potential.

While the other combinations of grape varieties presented in the choices are significant in other regions or contexts, they do not reflect the primary attributes or prominence of the red grape varieties in Catalunya. Thus, the pairing of Tempranillo and Cabernet Sauvignon accurately highlights the leading varieties in this region.