2005–2010 Cadillac STS 4.6 V8 Specs & Performance

Built for drivers seeking strong V8 performance with luxury-sedan comfort, the Cadillac STS 4.6 V8 used a naturally aspirated 4.6-liter V8 gasoline engine producing 321 hp and 315 lb-ft of torque. The rear-wheel-drive sedan paired the engine with a five-speed automatic transmission and reached 155 mph, with a 6.0-second 0–60 mph time. Its combination of V8 power, rear-wheel drive and a sophisticated luxury-sedan platform gave it a distinctly performance-focused character, while its listed combined economy was 16.2 mpg.

The 2005–2010 Cadillac STS 4.6 V8 featured a four-door, five-seat large sedan layout with 16.4 ft³ of luggage space. MacPherson struts at the front, multi-link rear suspension, and ventilated disc brakes at both ends supported its chassis setup. At 3,995 pounds, it measured 196.3 inches long with a 116.4-inch wheelbase and used a 17.4-gallon fuel tank, with a listed driving range of 283 miles.