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Your vehicleHome›GMC›Yukon›2026› AT4
2026 GMC Yukon

AT4 4WD

Gas 4WD MSRP —Compare this trim against anything →

What the AT4 adds over the Elevation

SpecElevationAT4
Ground clearance7.8 in8 in
Overall height76.6 in76.3 in
Overall length210.2 in210.5 in

Specifications

Source: manufacturer press kit

Brakes

Front brake diameter343 mm
Front brake typeVented disc
Rear brake diameter345 mm
Rear brake typeVented disc

Dimensions Exterior

Ground clearance8 in
Overall height76.3 in
Overall length210.5 in
Overall width81 in
Wheelbase120.9 in

Engine Basics

Aspirationnaturally aspirated
Cylinder count8
Fuel injection systemgdi mpi
Engine type (full description)5.3L V8
Valve configurationOverhead valve, two valves per cylinder, variable valve timing

Engine Output

Horsepower355 hp
Torque383 lb-ft

Headroom

Front headroom42.3 in
Second-row headroom38.9 in
Third-row headroom38.2 in

Legroom

Front legroom44.5 in
Second-row legroom42 in
Third-row legroom34.9 in

Shoulder Room

Front shoulder room65.5 in
Second-row shoulder room64.7 in
Third-row shoulder room62.7 in

Steering

Steering typeElectric power-assisted rack-and-pinion

Suspension

Front suspension typeIndependent coil-over-shocks and stabilizer bar
Rear suspension typeIndependent multi-link with coil-over shocks and stabilizer bar

Tires

Tire size275/60R20

Transmission

Final drive ratio3.2
Transmission speeds10
Transmission typeautomatic

Weights

Curb weight (minimum)5602 lbs

Wheels

Wheel diameter20 in
Wheel materialAluminum

Standard & optional equipment

Source: manufacturer press kit

Safety8 std · 5 opt

  • Front Pedestrian and Bicyclist Braking
  • Rear Cross Traffic Braking
  • Trailer Stability Assist
  • Electronic Stability Control
  • Four-wheel disc with ABS
  • Intersection Automatic Emergency Braking

Infotainment1 std · 0 opt

  • 16.8-inch-diagonal Premium GMC Infotainment Center with vertical interface

Convenience0 std · 1 opt

  • Presence-based hands-free liftgate (automatically opens in presence of key fob) optional

Climate0 std · 1 opt

  • 8-inch-diagonal rear climate control touchscreen optional

Exterior2 std · 1 opt

  • 20-in. aluminum wheels (std. Elevation, AT4, Denali, AT4 Ultimate)
  • Animated headlamps and taillamps
  • Panoramic sunroof optional

Powertrain2 std · 2 opt

  • 10-speed automatic transmission
  • 5.3L V8 355 HP / 383 lb-ft (Standard on Elevation, AT4)
  • 3.0L Duramax Turbo-Diesel 305 HP / 495 lb-ft – Late Availability (Available on all Trims) optional
  • 6.2L V8 420 HP / 460 lb-ft (Standard on AT4 Ultimate, Denali, Denali Ultimate; Optional on AT4) optional

Chassis2 std · 0 opt

  • Electric power-assisted rack-and-pinion steering
  • Independent coil-over-shocks and stabilizer bar front suspension; available four-corner air control and Magnetic Ride Control

Cargo1 std · 1 opt

  • Max Trailering Capacity: 8,400 lb (Yukon) / 8,200 lb (Yukon XL)
  • Trailer Reverse Trajectory (rearward guidelines for trailer path when backing up) optional

Ranked by what shoppers ask about first; standard equipment before options.

Transcribed from the manufacturer's official press kit for the 2026 Yukon. Confirm with the window sticker for a specific unit.

The cheapest ownership win

Insurers price the 2026 Yukon very differently, and the gap between the best and worst quote on the same car and driver is usually larger than any option you are weighing on this page.

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Common questions about the AT4

Source: EPA, NHTSA and manufacturer press kits

What does the 2026 GMC Yukon AT4 add over the Elevation?

Against the Elevation, 3 published specifications differ. Both lists are on this page, taken from the manufacturer's own press material.