Used 2019 GMC Yukon XL SUV Trims Comparison

The SLE base trim starts with a 5.3-liter V8 engine (355 horsepower, 383 lb-ft of torque) paired to a six-speed automatic transmission. Rear-wheel drive is standard, and four-wheel drive is optional.

Standard SLE features include 18-inch alloy wheels, foglights, side steps, roof rails, front and rear parking sensors, automatic wipers, and a trailer hitch receiver with a wiring harness. Standard interior features include tri-zone automatic climate control, power-adjustable front seats, and 60/40-split folding second- and third-row seats.

Also included is a 110-volt power outlet, an 8-inch touchscreen interface, a rearview camera, Bluetooth, OnStar communications (with a 4G LTE connection and Wi-Fi hotspot), Apple CarPlay and Android Auto, and a nine-speaker Bose audio system with CD player, satellite and HD radio and five USB inputs.

The optional Enhanced Driver Alert package adds forward collision warning with automatic low-speed emergency braking, a vibrating safety-alert driver's seat, automatic high beams, and lane departure warning and intervention. The Convenience package adds a power-operated liftgate, an auto-dimming rearview mirror, power-adjustable pedals and a universal garage door opener.

The SLT trim is broken down into SLT Standard Edition and SLT subtrims. The Standard Edition includes all of the above, along with leather upholstery, heated front seats, a power-adjustable front passenger seat and driver-seat memory functions. The SLT further gets you hands-free operation for the rear liftgate, blind-spot monitoring with rear cross-traffic alert, keyless entry and ignition, a heated and power tilt-and-telescoping steering wheel, ventilated front seats, heated second-row seats, and power-folding second- and third-row seats.

For 2019, the SLT also gets two new packages. The optional Graphite Edition package for SLT includes 22-inch wheels and blacked-out exterior trim (side steps, grille), while the Graphite Performance Edition boosts performance and comfort with a 6.2-liter V8 engine (420 hp, 460 lb-ft of torque), a 10-speed transmission, a heavy-duty alternator, Magnetic Ride Control adaptive dampers, a head-up display, a customizable gauge cluster, active noise cancellation system, and upgraded cabin air filtration.

The top-of-the-line Denali trim builds on the features listed above, including those from the Graphite Performance Edition, and adds 20-inch wheels, a two-speed transfer case (4WD models), xenon headlights, a trailer brake controller, power-folding second-row bucket seats, a navigation system, a wireless smartphone charging pad and a 10-speaker Bose surround-sound system.

The optional Denali Ultimate package bundles 22-inch wheels, a sunroof, power side steps, adaptive cruise control, a rear seat entertainment system with DVD player, and an extended satellite radio and traffic information subscription, among other items.

Several Denali features are offered as options on SLT trims, while options for SLE and SLT trims include 22-inch wheels, navigation, and a heavy-duty trailering package with a unique axle ratio, trailer brake controller and a self-leveling suspension.