What size engine does the 2008 GMC Yukon have?

- A 5.3L V8 LMG EcoTec3 FlexFuel V8 engine that produces 320 horsepower and 335 lb-ft of torque

- A 6.0L V8 LQ4 Gen III V8 engine that produces 366 horsepower and 380 lb-ft of torque

- A 6.2L V8 L92 VVT V8 engine that produces 403 horsepower and 417 lb-ft of torque