The full-size GM pickups offer the turbo 2.7L I4 L3B gasoline engine, which rivals the Ram 1500 and mild hybrid Pentastar 3.6L V6. But which engine is better?

GM's got its eye on that lump as it prepares a twin-turbo 3.0-liter V6 engine provisionally called LF3, a derivative of the same High Feature LF1 V6 (pictured) in the new Commodore. According to ...

The new V6 is promised for the 2008 model year, with a launch vehicle "to be announced." Destined to be GM's highest specific output non-turbo engine, the new V6 sounds like a natural for the V6 ...

Mercedes-Benz will be expanding its engine lineup with the addition of a 3.0-liter, twin-turbo V6 powerplant with at least 335 hp and 295 lb-ft of torque. The twin-turbo V6 powerplant will join ...