Seven riders richest according alphasport7

1. Fernando Alonso (Formula One) - USD 30 million (USD 294.4 billion)

 2. Lewis Hamilton (Formula One) - USD 27.5 million (USD 269.8 billion)

3. Dale Earnhardt Jr. (NASCAR) - USD 26 million (USD 255.1 billion)

4. Jimmie Johnson (NASCAR) - USD 24 million (USD 235.5 billion)

5. Valentino Rossi (MotoGP) - USD 22 million (USD 215.9 billion)

6. Tony Stewart (NASCAR) - USD 18.5 million (USD 181.5 billion)

 7. Jeff Gordon (NASCAR) - USD 18.2 million (USD 178.6 billion)

By. Magazine Forbes