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The 2019 GMC Yukon XL is the extended version of the full-size Yukon SUV. It seats up to eight passengers across three rows. Maximum cargo capacity is 121.7 cubic feet with the rear seats folded down.
Three trims are available: SLE, SLT, and Denali.
Two V-8 engines are available: one for SLE and SLT models, and a larger one reserved for the Denali. The base engine is a 355-hp, 5.3-liter V-8 that makes 383 pounds-feet of torque mated to a six-speed automatic transmission. Denali models get a 420-hp, 6.2-liter V-8 that makes 460 pounds-feet of torque paired to an eight-speed automatic.