The Yukon XL Denali features a 4G LTE hotspot, Apple CarPlay (available Android Auto), eight-inch IntelliLink LCD screen with ultra quick operation, XM traffic, OnStar with crash response, crisp head-up display, adaptive cruise, lane-keep assist, 110-volt plug outlet and the list continues on.Despite the lofty power output, the Yukon XL Denali returns decent fuel economy with 14 miles per gallon city and 20 mpg highway (identical to the V6 EcoBoost in the Ford Expedition EL), thanks in part to the eight-speed automatic transmission. The engine is the tried and true 6.2-liter EcoTec3 V8, producing 420 horsepower with 460 pound-feet of torque. The Magnetic Ride Control suspension (also shared with the Chevrolet Corvette and Cadillac CTS-V) is composed and supple at both city and highway speeds, backed up by competent braking capability for such a large vehicle. On the road, the Yukon XL Denali has plenty to offer any driver seeking the total package.The range-topping Denali also comes standard with 20-inch wheels, but the $2,680 Open Road Package on this tester adds 22-inch seven-spoke wheels. The exterior is accented with modern HID/LED lighting and a striking Iridium Metallic paint job (that tacks another $395 on the as-tested price). Its attractive and contemporary design either has motorists excusing themselves from left lane or increases your home value by merely being parked in your driveway. If I had to settle on a favorite aspect of the 2016 GMC Yukon XL Denali, it would have to be the styling.