2014 Mazda 6 Diesel Confirmed for Rolex 24

[IL]

The 2014 Mazda 6 will become the first diesel-fueled car to race in the Rolex 24 endurance race at Daytona.

InsideLine

[Christina John]

Yes !! I have also read on official site and various other automotive blogs that Mazda 6 is the foremost confirmed vehicle to take part in Rolex 24 Hour Race.
Here is the source link: http://www.autotransportdepot.com/blog/?p=139.