I'm not one to post recommendations, but I wanted to pass on this information to other travelers looking to make the most of their trip to Mendoza!
I went with three friends and we wanted to get to out to Lujan de Cuyo for a day and visit some vineyards. After doing some researching, it seemed we could either do a group tour or hire a private driver. I found the names of a few drivers in the Mendoza forum, emailed them, and a very nice gentleman named Miguel Sanz responded very quickly.
Miguel was super knowledgeable about the area, friendly, funny, and spoke great English. He created a great itinerary for us and we had a blast! He picked us up at the apartment we were renting, drove us around all day, and didn't rush us when we had lost track of time at one of the vineyards. Choosing a driver versus a tour group was a great decision because it made the experience very unique and much more personal.
Miguel really made our trip! You will not regret booking him, I promise you. His email address: firstname.lastname@example.org