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The 2026 GMC Yukon delivers up to 122.7 cubic feet of maximum cargo space and seats up to 8 passengers. That is a meaningful jump from third-row-up cargo of just 25.5 cu ft, showing the full range of the cabin’s flexibility. This page covers every interior dimension, seat-by-seat feature, and trim-level upgrade available at Greg Hubler Buick GMC.
The 2026 Yukon’s cabin is built around one central idea: a full-size body means full-size usability on every row. Front-row occupants get 44.5 inches of leg room and 42.3 inches of head room. Second-row passengers sit in 42.0 inches of leg room and 38.9 inches of head room. Even the third row holds 34.9 inches of leg room and 38.2 inches of head room, which is competitive for a three-row SUV at this price tier.
Shoulder room stays generous all the way back: 65.5 inches in row one, 64.7 inches in row two, and 62.7 inches in row three. Hip room follows the same pattern at 61.5, 61.3, and 49.4 inches respectively. The overall interior width of 81.0 inches (measured without mirrors) is what makes those rear-row numbers possible on a vehicle that is just over 210 inches long.
The centerpiece of the tech stack is the 16.8-inch infotainment touchscreen with Google built-in, paired with wireless Android Auto and Apple CarPlay as standard equipment on every trim. Wireless phone charging, tri-zone automatic climate control, a 10-speaker Bose CenterPoint Surround audio system, and a full 11-inch Driver Information Center round out the cabin at the entry level.
The Yukon’s 25.5 cu ft behind the third row expands to 72.5 cu ft when that row folds, and climbs to 122.7 cu ft when both rear rows are folded flat. A power 60/40 split-folding third-row bench seat is standard on every trim, so that transition from passenger mode to cargo mode requires no manual lifting or wrestling with heavy seatbacks.
The cargo box width at the wheel housings is 49.5 inches, which is wide enough to load two large hard-side suitcases flat without stacking them. The power programmable liftgate (standard on Elevation) and the AutoSense power liftgate (standard on AT4 and Denali 4WD and above) mean hands-free loading is accessible across most of the lineup.
The power-sliding center console, standard on the Denali and both Ultimate trims, transforms the front-row floor plan. When it slides back, it opens a walk-through path from the front seats to the second row, which parents with young children or anyone managing cargo on the fly will use constantly. On Elevation and AT4 trims, the sliding console is available as an add-on.
The Rear Seat Media System adds dual 12.6-inch rear-seat touchscreens (available on most trims, standard on AT4 Ultimate and Denali Ultimate), giving rear passengers independent entertainment control. The 8-inch rear-seat climate-control touchscreen is standard on AT4 Ultimate and Denali Ultimate, so second-row occupants set their own temperature without asking the driver.
Standard heated front seats and a heated steering wheel anchor the front row. Second-row outboard seats are heated and feature power-release functionality. The manual tilt/telescoping steering column is the only notable absence compared to upper trims. Seating capacity is 8 with a standard bench configuration in row two.
Adds heated and ventilated front seats, Magnetic Ride Control (which directly improves ride comfort on Indiana’s varied road surfaces), a power tilt/telescoping steering column, bright sill plates, and perforated leather seating surfaces. The AT4 4WD also gains Hill Descent Control as standard. Seating capacity is 8.
Upgrades to the 6.2L V8 as standard, adds the power-sliding center console, a 15-inch multicolor Head-Up Display, perforated leather seating, 4-way power lumbar for driver and front passenger, and the power tilt/telescoping column. Seating is 7 due to the Denali’s standard second-row bucket seat configuration. Heated and ventilated front seats are standard here as well.
Steps up to full-grain leather seating in an Obsidian Rush finish with AT4 Ultimate badging, 16-way power front seats with massage, the 18-speaker Bose sound system, Air Ride Adaptive Suspension, a panoramic moonroof, and the Rear Seat Media System as standard. Super Cruise hands-free highway driving is standard. Seating is 7.
Matches the AT4 Ultimate’s luxury content and adds the potential for second-row ventilated executive seats with massage and Bose head-restraint speakers (via the Executive Second Row Seating Package), a 22-speaker Bose Performance Series CenterPoint Surround system (via package), and an 8-inch rear climate-control touchscreen as standard. The Denali Ultimate also opens the Night Vision option, which no lower trim offers. Seating is 7.
The 5G Wi-Fi hotspot capability, standard on every trim, keeps multiple devices connected simultaneously, which matters for families where the kids are streaming and the driver is using navigation at the same time.
For buyers who tow, the available ProGrade Trailering System adds trailer-specific blind-spot monitoring and trailering camera provisions, and the Yukon’s 8,400-lb tow rating means the interior space comes with real capability behind it.
The Yukon’s 122.7 cu ft maximum cargo figure and 44.5-inch front leg room sit at the top of the full-size three-row SUV segment. Competing vehicles in this class generally offer similar footprints, but the Yukon’s standard 16.8-inch touchscreen is larger than what most rivals include at equivalent trim levels. The standard wireless Apple CarPlay and Android Auto pairing, the available Air Ride Adaptive Suspension on upper trims, and the panoramic moonroof standard on both Ultimate trims give the Yukon a tech and comfort edge that rivals typically reserve for their highest-spec packages.
The Denali and Denali Ultimate trims specifically address buyers who want luxury-car cabin refinement in a full-size SUV body, with full-grain leather, massage seating, and a head-up display forming a package that competes with three-row luxury alternatives at a lower price point.
Greg Hubler Buick GMC carries 2026 Yukon inventory across the trim lineup, from Elevation through Denali Ultimate, so you can sit in every row and judge the dimensions yourself before you decide.
The 2026 Yukon holds 25.5 cu ft behind the third row, 72.5 cu ft with the third row folded, and 122.7 cu ft with both rear rows folded flat.
Up to 8 passengers on Elevation and AT4 trims with the standard second-row bench. Denali, AT4 Ultimate, and Denali Ultimate seat 7 due to the standard second-row bucket seat configuration on those trims.
Front leg room is 44.5 inches. Second-row leg room is 42.0 inches. Third-row leg room is 34.9 inches.
Yes. The power-sliding center console is standard on the Denali and both Ultimate trims. It is available as an option on Elevation and AT4 trims.
Every 2026 Yukon trim comes standard with a 16.8-inch diagonal advanced color LCD touchscreen with Google built-in compatibility.
Yes. Wireless Apple CarPlay and wireless Android Auto are standard on every trim in the 2026 Yukon lineup.
Third-row head room is 38.2 inches and shoulder room is 62.7 inches, both measured with the panoramic moonroof deleted. AT4 Ultimate and Denali Ultimate include a standard panoramic moonroof, which may reduce available head room slightly.
The Rear Seat Media System with dual 12.6-inch rear-seat touchscreens is available on most trims and standard on AT4 Ultimate and Denali Ultimate. The 8-inch rear-seat climate-control touchscreen is standard on AT4 Ultimate and Denali Ultimate.