Question: what are gmc sierra trim levels?
Answer: Sierra Trim The base trim (simply called “Sierra”) has a starting MSRP of $34,995. That's for a double cab, standard box, 2WD truck. It comes with a 4.3-liter V6 EcoTec3 engine that produces 285 horsepower and 305 pound-foot of torque. This is the only trim with the V6 engine option standard.