The GMC Yukon V Denali 6.2 V8 4WD Automatic represents the pinnacle of luxury and capability within the fifth-generation Yukon lineup, produced from 2021 to 2024. Positioned as the flagship trim of the Yukon family, the Denali V offered a substantial step up in refinement, technology, and performance compared to the standard Yukon and even the AT4 model. This variant catered to buyers seeking a full-size SUV with premium appointments, robust towing capacity, and a powerful V8 engine. It builds upon the redesigned Yukon introduced for the 2021 model year (internally designated as the YT1), which brought significant improvements in interior space, ride quality, and available features.
Technical Specifications
| Brand | GMC |
| Model | Yukon |
| Generation | Yukon V |
| Type (Engine) | Denali 6.2 V8 (426 Hp) 4WD Automatic |
| Start of production | July, 2020 |
| End of production | 2024 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 7 |
| Doors | 5 |
| Fuel consumption (urban) | 16.8 l/100 km (14 US mpg, 16.8 UK mpg, 6 km/l) |
| Fuel consumption (extra urban) | 12.4 l/100 km (19 US mpg, 22.8 UK mpg, 8.1 km/l) |
| Fuel consumption (combined) | 14.7 l/100 km (16 US mpg, 19.2 UK mpg, 6.8 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Power | 426 Hp @ 5600 rpm |
| Torque | 623 Nm @ 4100 rpm (459.5 lb.-ft. @ 4100 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | L86 |
| Engine displacement | 6162 cm3 (376.03 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 103.25 mm (4.06 in.) |
| Piston Stroke | 92 mm (3.62 in.) |
| Number of valves per cylinder | 2 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | OHV, VVT |
| Engine oil capacity | 7.6 l (8.03 US qt | 6.69 UK qt) |
| Coolant | 14.3 l (15.11 US qt | 12.58 UK qt) |
| Trunk (boot) space – minimum | 722 l (25.5 cu. ft.) |
| Trunk (boot) space – maximum | 3479 l (122.86 cu. ft.) |
| Permitted trailer load with brakes (12%) | 3629 kg (8000.58 lbs.) |
| Length | 5335 mm (210.04 in.) |
| Width | 2058 mm (81.02 in.) |
| Height | 1943 mm (76.5 in.) |
| Wheelbase | 3071 mm (120.91 in.) |
| Front track | 1737 mm (68.39 in.) |
| Rear (Back) track | 1730 mm (68.11 in.) |
| Minimum turning circle | 11.6-12.1 m (38.06 – 39.7 ft.) |
| Drivetrain Architecture | All wheel drive (4×4). ICE drives rear wheels, front wheels engaged via clutch. |
| Number of gears and type of gearbox | 10 gears, automatic transmission Hydra-Matic |
| Front suspension | Independent coil spring |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 275/65 R20; 275/50 R22 |
| Wheel rims size | 20; 22 |
Powertrain & Engine Architecture
At the heart of the Yukon V Denali is the 6.2-liter L86 V8 engine. This naturally aspirated engine utilizes direct injection and active fuel management (cylinder deactivation) to balance performance and efficiency. The L86 produces 426 horsepower at 5600 rpm and 459.5 lb-ft of torque at 4100 rpm. The engine features an overhead valve (OHV) valvetrain with variable valve timing (VVT) to optimize engine breathing across the rev range. The engine is longitudinally mounted in the chassis. The engine is mated to a sophisticated 10-speed Hydra-Matic automatic transmission, which provides smooth and responsive shifting. This transmission is crucial for managing the engine’s power and optimizing fuel economy. The 10-speed design allows for closer gear ratios, keeping the engine in its optimal power band during acceleration and cruising.
Driving Characteristics
The Yukon V Denali’s driving experience is characterized by its effortless power and composed ride. The 6.2L V8 delivers strong acceleration, making highway merging and overtaking maneuvers easy. While not a sports car, the Yukon V Denali feels surprisingly agile for its size, thanks in part to the well-tuned suspension and responsive steering. The 10-speed automatic transmission contributes to a refined driving experience, with smooth gear changes and minimal hunting. Compared to the 5.3L V8 offered in lower trims, the 6.2L provides a noticeable increase in power and responsiveness. The automatic transmission is tuned for comfort and efficiency, prioritizing smooth shifts over aggressive downshifts. The all-wheel-drive system provides enhanced traction in various weather conditions.
Equipment & Trim Levels
The Denali trim is distinguished by its unique exterior styling, including a distinctive chrome grille, unique wheels, and Denali-specific badging. Inside, the Denali boasts premium leather upholstery, real wood trim, and a host of advanced technology features. Standard equipment includes a large infotainment touchscreen with Apple CarPlay and Android Auto compatibility, a premium Bose audio system, a power-adjustable steering column, heated and ventilated front seats, and a panoramic sunroof. Optional extras included adaptive cruise control, rear-seat entertainment system, and a head-up display. The Denali trim focused on providing a luxurious and technologically advanced experience for both the driver and passengers.
Chassis & Braking
The Yukon V Denali utilizes an independent coil spring suspension in the front and an independent multi-link suspension in the rear, providing a comfortable and controlled ride. The suspension is tuned to balance ride comfort with handling stability. All four wheels are equipped with ventilated disc brakes, providing ample stopping power. An anti-lock braking system (ABS) is standard, enhancing safety during emergency braking situations. The Yukon V Denali’s chassis is designed to handle the vehicle’s weight and provide a stable platform for towing. The standard wheel sizes are 20 and 22 inches, with tire sizes varying accordingly.
Market Reception & Comparison
The Yukon V Denali was generally well-received by automotive critics, who praised its luxurious interior, powerful engine, and comfortable ride. However, its fuel economy was often cited as a drawback, as expected for a vehicle of its size and capability. Compared to other full-size SUVs like the Chevrolet Suburban and Cadillac Escalade (which shares the same platform), the Yukon Denali offered a compelling combination of luxury, performance, and value. The 6.2L V8 Denali was positioned as a premium offering, commanding a higher price than the base Yukon trims. Reliability reports suggest the L86 engine is generally robust, but routine maintenance is crucial for long-term durability.
Legacy
The 2021-2024 Yukon V Denali 6.2L represents a high point in GMC’s full-size SUV offerings. The L86 engine, paired with the 10-speed automatic, has proven to be a reliable and capable powertrain. On the used car market, these models hold their value well due to their desirable features and strong reputation. While newer Yukon models offer updated technology and features, the fifth-generation Denali remains a popular choice for buyers seeking a luxurious and capable full-size SUV with a proven track record.
