Can the old-school Cadillac CT5-V Blackwing stand up against the modern Audi RS7 Performance and the plug-in hybrid BMW M5?

Available with a 4-cylinder 35 TFSI engine with Cylinder on demand (CoD) and 48V Mild Hybrid Electric technology (MHEV), the Audi A3 has 110kW of power and 250Nm of torque in both the Sportback and ...