The NASCAR Mexico T4 Series is a semi-professional 4-cylinder racing series in Mexico. It is promoted and sanctioned by NASCAR Mexico, the Mexico City-based NASCAR office. The T4 Series features the largest grid in Mexican motorsports, with more than 30 teams running full-time and a few others doing a limited schedule. It is also notorious for the diversity of its drivers. As the series allows drivers to debut at age 15, several young mexican talents are choosing the T4 Series to start their NASCAR career. In the other hand, there are several 40-something drivers who have been racing in the series since it begun in 1994.