Wow! Just near Lambo LP560/Viper SRT-10 performance! In a 3800 lb luxury sedan! I call it bull...lol jk!
In fact this car was much cheaper (as-tested) AND it beat the 503hp AMG C63S (91.52s) & the 425hp BMW ///M3 (92.51s) in the test. Impressive, GM! Don't let the haters fool you.