I also read the article and I am very impressed with the performance... scary to think an S500 does 0-60 in 6.1 (6.2 for the denali). whats even better is the price at a scant 47,990 base.
For those of you who dont get the magazine.....
6.2L V-8
380 BHP @ 5700
415 LB/FT @ 4400
6-speed automatic
5610 curb weight
0-60 6.2
0-100 17.2
1/4mi- 15 @ 94
70-0 187 FT