The GMC Envoy fits in a very competitive midsize SUV field. Engine choices include a 291-bhp 4.2L I-6, or a 300-bhp 5.3L V-8 (Envoy Denali) coupled to a 4-speed automatic. The V-8 is equipped with Displacement on Demand for improved fuel economy. Envoy models are available with 2WD or Autotrac on-demand 4WD. Stabilitrak® stability control is standard and head curtain side airbags are available. Towing capacity is 6,600 lbs. when equipped with the 5.3L V-8. Most other midsize SUVs are equipped with independent rear suspensions and 5-speed automatics, features which put the Envoy at a comparative disadvantage. The Envoy Denali is best suited for customers who need extra towing capability, or prefer the minor luxury upgrades.