Karl Brauer of edmunds.com performed a similar test, also at Mazda Raceway Laguna Seca, in which he and two others — professional race driver A. J. Allmendinger, and IGN gaming editor Justin Kaehler — set times in "GT4" and real life in a variety of cars. Brauer's best time in a Ford GT in the game was 1:38, and his best time on the real track was 1:52. In the four vehicles the trio tested, none was able to duplicate his game times on the real track. Brauer suggested the main differences between the game and reality: