GMC Yukon specifications and photos
The 2020 GMC Yukon marks the introduction of the full-size SUV's fifth generation. It brings a new platform with independent rear suspension, significantly expanding interior space and modernizing the ride quality.
GMC Yukon at a glance
Quick model context before comparing photos and trim-level specifications.
For 2020, the GMC Yukon undergoes substantial technical changes while maintaining its traditional rugged presence. The most significant structural update is the shift from a solid rear axle to an independent multi-link rear suspension. This change, combined with a 127 mm longer wheelbase, dramatically improves passenger comfort and space utilization. The standard Yukon now measures 5,335 mm in length, providing a 41 percent increase in third-row legroom. The lineup caters to a wide range of buyers by offering standard and extended XL body styles, alongside specialized trim levels. The new AT4 trim targets off-road use, while the Denali trim pushes further into the luxury segment with an exclusive interior layout.
- Power: 360-426 hp
- Engine displacement: 5328-6162 cc
- Transmissions: 10-speed automatic
- Seating: 8 seats
Photos, trims and specifications for GMC Yukon
This model page brings gallery images, trim comparison, and detailed technical data together for the 2020 generation.
GMC Yukon overview
Editorial context for design, cabin, performance, practicality, and buyer notes.
Design
The exterior of the fifth-generation Yukon features a more commanding grille and strict three-section headlights integrating C-shaped LED daytime running lights. Vertical fog lights are mounted in the lower bumper, and the rear design includes updated taillight graphics and a heavily sculpted tailgate. Visual distinctions are strong between trims. The off-road-focused AT4 features a modified front bumper for a better approach angle, dual red tow hooks, underbody skid plates, and 20-inch all-terrain tires. The flagship Denali is immediately recognizable by its massive, highly detailed chrome front grille.
Interior
Inside the cabin, the Yukon replaces its traditional column shifter with a push-button gear selector on the dashboard. A 10.4-inch touchscreen anchors the infotainment system, sitting prominently above the center stack. Seating configurations accommodate up to eight passengers, with options for second-row captain's chairs. Both rear rows offer available power-folding functionality, creating a flat load floor with up to 3,480 liters of maximum cargo space. A unique available feature is a power-sliding center console that moves rearward up to 254 mm to secure items. Denali models receive an entirely exclusive dashboard design, genuine wood trim, and hand-stitched premium leather.
Performance
The powertrain lineup features three engine choices, all paired with a standard 10-speed automatic transmission. A 3.0-liter Duramax inline-six turbodiesel makes its debut, producing 281 horsepower and 623 Nm of torque. Traditional V8 power returns with a 5.3-liter engine delivering 360 horsepower and 519 Nm, and a larger 6.2-liter V8 generating 426 horsepower and 630 Nm. Both V8s feature an advanced cylinder deactivation system capable of shutting down two to six cylinders under light loads to improve efficiency. Rear-wheel drive is standard, with an upgraded four-wheel-drive system and an available electronic locking differential.
Practicality
Practicality sees major gains due to the new suspension geometry. Cargo volume behind the third row increases by 66 percent to 722 liters in the standard wheelbase model. For buyers needing maximum capacity, the Yukon XL stretches the overall length to 5,720 mm, offering massive interior volume for large families and long road trips. The flat cargo floor and available power-folding seats make loading large items straightforward.
Safety and tech
The instrument cluster features a larger central display that replaces traditional auxiliary gauges. Ride control is managed by standard passive dampers, but AT4 and Denali models are equipped with Magnetic Ride Control adaptive suspension from the factory. Buyers can also opt for the Air Ride Adaptive Suspension, an air suspension system capable of adjusting the SUV's ground clearance by up to 100 mm for easier access or improved off-road capability.
Buyer notes
When comparing 2020 GMC Yukon trims, consider the primary use case for the vehicle. The AT4 is the clear choice for outdoor enthusiasts needing all-terrain tires and a low-range transfer case right off the lot. The Denali justifies its premium positioning with interior materials and design not shared with lower trims. Engine selection is also important; the new diesel provides excellent low-end torque for towing, while the V8s deliver traditional, responsive highway power. Exact equipment and trim availability may vary depending on the local market.
Trims and key specifications
Use this table to compare the main differences between available configurations.
| Trim / modification | Engine | Power | Seats | Transmission |
|---|---|---|---|---|
| 5.3i (360 hp) 10-speed automatic | 5328 cc | 360 hp | 8 | 10-speed automatic |
| 5.3i (360 hp) 10-speed automatic 4x4 | 5328 cc | 360 hp | 8 | 10-speed automatic |
| 6.2i (426 hp) 10-speed automatic | 6162 cc | 426 hp | 8 | 10-speed automatic |
| 6.2i (426 hp) 10-speed automatic 4x4 | 6162 cc | 426 hp | 8 | 10-speed automatic |
Specifications can vary by market, model year, and equipment package. Use the trim sections below to review the full data for each configuration.
GMC Yukon photo gallery
15 images are collected here with the main specifications and trim data for this model.
Photo GMC Yukon
Specifications by trim
Choose a configuration below to open full technical data grouped by category.
5.3i (360 hp) 10-speed automatic 31 specifications
Specifications
Engine
| Engine | 5.3i |
|---|---|
| Engine code | L83/L8B |
| Engine type | Internal combustion engine |
| Fuel type | Gasoline |
| Engine displacement, cc | 5328 |
| Cylinder layout | V-type |
| Number of cylinders | 8 |
| Valves | 16 |
| Compression ratio | 11.0:1 |
| Power, hp | 360 |
| RPM at max power | 5600 |
| Torque, Nm | 519 |
| RPM at max torque | 4100 |
Dimensions
| Seats | 8 |
|---|---|
| Length, mm | 5334 |
| Width, mm | 2058 |
| Height, mm | 1943 |
| Wheelbase, mm | 3071 |
| Front track, mm | 1737 |
| Rear track, mm | 1730 |
| Gross weight, kg | 3357 |
| Fuel tank capacity, L | 98 |
| Turning circle, m | 11.6 |
| Trunk capacity, L | 722 |
Transmission and drive
| Transmission | 10-speed automatic |
|---|---|
| Transmission type | automatic |
| Drive | Rear-wheel drive |
| Number of gears | 10 |
| Transmission manufacturer | GM |
| Automatic transmission | + |
| Transmission country | USA |
5.3i (360 hp) 10-speed automatic 4x4 31 specifications
Specifications
Engine
| Engine | 5.3i |
|---|---|
| Engine code | L83/L8B |
| Engine type | Internal combustion engine |
| Fuel type | Gasoline |
| Engine displacement, cc | 5328 |
| Cylinder layout | V-type |
| Number of cylinders | 8 |
| Valves | 16 |
| Compression ratio | 11.0:1 |
| Power, hp | 360 |
| RPM at max power | 5600 |
| Torque, Nm | 519 |
| RPM at max torque | 4100 |
Dimensions
| Seats | 8 |
|---|---|
| Length, mm | 5334 |
| Width, mm | 2058 |
| Height, mm | 1943 |
| Wheelbase, mm | 3071 |
| Front track, mm | 1737 |
| Rear track, mm | 1730 |
| Gross weight, kg | 3357 |
| Fuel tank capacity, L | 98 |
| Turning circle, m | 11.6 |
| Trunk capacity, L | 722 |
Transmission and drive
| Transmission | 10-speed automatic |
|---|---|
| Transmission type | automatic |
| Drive | All-wheel drive |
| Number of gears | 10 |
| Transmission manufacturer | GM |
| Automatic transmission | + |
| Transmission country | USA |
6.2i (426 hp) 10-speed automatic 31 specifications
Specifications
Engine
| Engine | 6.2i |
|---|---|
| Engine code | L86 |
| Engine type | Internal combustion engine |
| Fuel type | Gasoline |
| Engine displacement, cc | 6162 |
| Cylinder layout | V-type |
| Number of cylinders | 8 |
| Valves | 16 |
| Compression ratio | 11.5:1 |
| Power, hp | 426 |
| RPM at max power | 5600 |
| Torque, Nm | 623 |
| RPM at max torque | 4100 |
Dimensions
| Seats | 8 |
|---|---|
| Length, mm | 5334 |
| Width, mm | 2058 |
| Height, mm | 1943 |
| Wheelbase, mm | 3071 |
| Front track, mm | 1737 |
| Rear track, mm | 1730 |
| Gross weight, kg | 3357 |
| Fuel tank capacity, L | 98 |
| Turning circle, m | 11.6 |
| Trunk capacity, L | 722 |
Transmission and drive
| Transmission | 10-speed automatic |
|---|---|
| Transmission type | automatic |
| Drive | Rear-wheel drive |
| Number of gears | 10 |
| Transmission manufacturer | GM |
| Automatic transmission | + |
| Transmission country | USA |
6.2i (426 hp) 10-speed automatic 4x4 31 specifications
Specifications
Engine
| Engine | 6.2i |
|---|---|
| Engine code | L86 |
| Engine type | Internal combustion engine |
| Fuel type | Gasoline |
| Engine displacement, cc | 6162 |
| Cylinder layout | V-type |
| Number of cylinders | 8 |
| Valves | 16 |
| Compression ratio | 11.5:1 |
| Power, hp | 426 |
| RPM at max power | 5600 |
| Torque, Nm | 623 |
| RPM at max torque | 4100 |
Dimensions
| Seats | 8 |
|---|---|
| Length, mm | 5334 |
| Width, mm | 2058 |
| Height, mm | 1943 |
| Wheelbase, mm | 3071 |
| Front track, mm | 1737 |
| Rear track, mm | 1730 |
| Gross weight, kg | 3357 |
| Fuel tank capacity, L | 98 |
| Turning circle, m | 11.6 |
| Trunk capacity, L | 722 |
Transmission and drive
| Transmission | 10-speed automatic |
|---|---|
| Transmission type | automatic |
| Drive | All-wheel drive |
| Number of gears | 10 |
| Transmission manufacturer | GM |
| Automatic transmission | + |
| Transmission country | USA |
GMC Yukon questions
Short answers based on the specifications and photos available in this catalog.
What generation is the 2020 GMC Yukon?
The 2020 model represents the start of the fifth generation for the GMC Yukon, introducing a new platform and independent rear suspension.
What engines are available for the 2020 Yukon?
Buyers can choose between a new 3.0-liter inline-six turbodiesel (281 hp), a 5.3-liter V8 (360 hp), and a 6.2-liter V8 (426 hp). All engines use a 10-speed automatic transmission.
Is the 2020 Yukon practical for families?
Yes, it offers seating for up to eight passengers and significantly more third-row legroom and cargo space behind the third row compared to the previous generation.
What is the difference between the Yukon and Yukon XL?
The standard Yukon is 5,335 mm long, while the Yukon XL is an extended-wheelbase version measuring 5,720 mm, designed to provide even more cargo capacity.
What does the Yukon AT4 trim include?
The AT4 is an off-road-oriented trim that includes a specialized front bumper, skid plates, red tow hooks, 20-inch all-terrain tires, and a standard low-range transfer case.