2020 GMC Yukon Horsepower
The 2020 Yukon is powered by one of two engines. The standard is a 5.3L engine with eight cylinders. Its top power output is 355 HP at 5,600 RPM. It also produces up to 383 LB-FT of torque at 4,100 RPM. This engine, which is standard on the SLE and SLT, is connected with a six-speed automatic transmission. The Denali gets a separate engine, which is a 6.2L V8. The Denali engine has a greater power output of 420 HP at 5,600 RPM. Its torque production increases to 460 LB-FT at 4,100 RPM. The Denali engine is paired with a 10-speed automatic transmission, which is available on the SLT. You have a choice of two-wheel or four-wheel drive with the Yukon.