Ignored Supercharged V8 Sedan: Cadillac STS-V 🇺🇸⚡ While the CTS-V grabbed the spotlight, the Cadillac STS-V was born quietly in 2006 as GM’s executive-class sleeper missile. Positioned to take on heavyweights like the BMW M5 and Mercedes-AMG E55, the STS-V offered mid-size luxury paired with raw, forced-induction power—yet remained under the radar for most car enthusiasts. Built on GM's rear-wheel-drive Sigma platform, the STS-V swapped standard luxury cruiser dynamics for an aggressive stance, massive Brembo brakes, and a unique supercharged heart found in only one other production car. The Verified Numbers 📊⚙️ The Heart: 4.4-Litre Supercharged Northstar LC3 DOHC V8 🦾⚡ Induction: Eaton M112 Roots-Type Supercharger with Integrated Intercooler 🌪️💥 The Power: 469 HP @ 6,400 RPM | 439 lb-ft Torque @ 3,800 RPM 📈🔥 The Gearbox: GM Hydra-Matic 6L80 6-Speed Heavy-Duty Automatic with Driver Shift Control 🕹️✨ The Drivetrain: Rear-Wheel Drive (RWD) with Limited-Slip Differential 📐🛞 The Performance: 0–60 mph in 4.