25 Hours of Thunderhill
Acura ILX
Audi R8 LMS
Audi TT RS
Honda Civic
Honda CR-Z
Lexus IS300
Mazda 6 Diesel
Miata MX-5
Norma Sports Racer
Porsche 997
RX-8
Seat Leon
The EDJE
US Air Force
Mazda Teams Score At The US Air Force 25 Hours of Thunderhill
The three Mazda teams raced brand-new 2014 Mazda6 SKYACTIV-D Clean Diesel racecars. These are not the same SpeedSource cars …