An S600 Bi-turbo can still take one in the 1/4 and 0-60. Their is a modified S600 that can run in the 11's I think. The XLR is an R129 rip off, GM's always a step behind.

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2006 CL500
1969 280SE
2023 Ram 1500
2026 Genesis GV70
2007 Tiara 3200