^--- Yeah, after a little digging, I did find out that they weigh the car... I didn't realize that. Options would play a role. It is actually neat how they show weight by corner.
2016 M2 | Long Beach Blue | 6MT - current
2015 M4 | Austin Yellow | DCT
2014 Corvette Stingray | Z51 | Torch Red | 7MT
2012 MB C63 Coupe | Performance package | Obsidian Black
2011 E92 M3 | Jerez Black | Fox Red | DCT | Competition Package