7Mark Martin – Net worth: $70 million
The 7th wealthiest NASCAR driver is the 56-year-old Mark Anthony Martin, with a net worth of $70 million.
The millionaire began racing when he was a teenager and, in the late 70s, he joined the ASA racing series, and quickly became popular. In 1977, Martin was named ‘Rookie of the Year’.
His journey on the NASCAR circuit began in 1981, but his first 6 years turned out to be unsuccessful.
After jumping from team to team, the driver returned to the ASA circuit in 1984, where he achieved steady success and began racing in the Nationwide Series in 1987, winning 40 Sprint Cup races and 49 Nationwide Series races.
As of 2014, he had the second most wins in the Nationwide Series.
Mark Martin last drove the #14 Stewart-Haas Racing Chevrolet SS in the NASCAR Sprint Cup Series.