Multiple articles today have called the TT DOHC V8 in the CT6 V-Sport is part of a new “Cadillac Exclusive” engine architecture. All the mid engine Vette rumors have cited the power plant as a DOHC TT V8...

I feel like the IMSA program’s move away from the Corvette bodied prototype to the DPi V-R was an early indication that the car would be a Cadillac.