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Overview
The 2008 Cadillac STS, featuring refreshed signature styling inside and out; a new, standard 298-horsepower (222 kW) V-6 engine; and a host of new vehicle technologies, debuts at New York Auto Sho ...

Selecting the Right Engine Oil
Selecting the right engine oil depends on both the proper oil specification and viscosity grade. See Recommended Fluids and Lubricants  . Specification Use and ask for licensed engine oils wi ...

Under the Hood
The 3.6-liter V-6 produces 254 hp and 252 pounds-feet of torque. Cadillac's 4.6-liter Northstar V-8 generates 320 hp and 315 pounds-feet of torque. The five-speed-automatic transmission incorporat ...