The GMC Yukon XL II, produced from 2000 to 2006, represented the second generation of the extended-length Yukon, based on the GMT800 platform. This generation offered a significant increase in interior space and cargo capacity compared to the standard Yukon, catering to families and those requiring substantial hauling capabilities. The 1500 6.0 V8 4WD Automatic variant occupied a prominent position in the lineup, serving as a robust, all-weather capable option for buyers prioritizing power and versatility. It was positioned as a step up from the base 4.8L V8 models, offering considerably more horsepower and torque, while remaining more accessible than the top-tier 2500 series trucks.
Technical Specifications
| Brand | GMC |
| Model | Yukon XL II |
| Generation | GMT800 |
| Type | 1500 6.0 V8 (315 Hp) 4WD Automatic |
| Start of production | 2000 |
| End of production | 2006 |
| Powertrain Architecture | Internal Combustion Engine |
| Body type | SUV |
| Seats | 5-9 |
| Doors | 5 |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 7.6 kg/Hp |
| Power | 315 Hp @ 5000 rpm |
| Power per litre | 52.8 Hp/l |
| Torque | 495 Nm @ 4000 rpm (365.09 lb.-ft. @ 4000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine displacement | 5967 cm3 (364.13 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 101.6 mm (4 in.) |
| Piston Stroke | 92 mm (3.62 in.) |
| Compression ratio | 9.4:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated |
| Engine oil capacity | 5.7 l (6.02 US qt | 5.02 UK qt) |
| Coolant capacity | 15.3 l (16.17 US qt | 13.46 UK qt) |
| Kerb Weight | 2400 kg (5291.09 lbs.) |
| Max. weight | 3266 kg (7200.3 lbs.) |
| Max load | 866 kg (1909.2 lbs.) |
| Trunk (boot) space – minimum | 1294 l (45.7 cu. ft.) |
| Trunk (boot) space – maximum | 3726 l (131.58 cu. ft.) |
| Fuel tank capacity | 123 l (32.49 US gal | 27.06 UK gal) |
| Length | 5570 mm (219.29 in.) |
| Width | 2002 mm (78.82 in.) |
| Height | 1923 mm (75.71 in.) |
| Wheelbase | 3302 mm (130 in.) |
| Front track | 1651 mm (65 in.) |
| Rear track | 1676 mm (65.98 in.) |
| Drivetrain | All wheel drive (4×4) |
| Number of gears | 4 |
| Gearbox type | Automatic transmission |
| Front suspension | Independent coil spring, Torsion |
| Rear suspension | Independent multi-link suspension, Coil spring |
| Front brakes | Disc |
| Rear brakes | Drum |
| Assisting systems | ABS (Anti-lock braking system) |
| Power steering | Hydraulic |
| Tires size | 245/75 R16 |
| Wheel rims size | 7J x 16 |
Powertrain & Engine Architecture
The heart of the Yukon XL II 1500 6.0 V8 was the Vortec 5967 engine, a member of GM’s small-block V8 family. This engine, designated as the LQ4, featured a cast iron block and aluminum cylinder heads. It utilized a 9.4:1 compression ratio and a multi-port fuel injection system, delivering a robust 315 horsepower and 495 Nm (365 lb-ft) of torque. The engine’s architecture was relatively straightforward, prioritizing durability and low-end torque over outright high-revving performance. The 4L60E four-speed automatic transmission was the standard pairing for this engine. This transmission was known for its reliability, but it wasn’t particularly fuel-efficient by modern standards. It featured electronic control for smoother shifting and adaptive shift patterns.
Driving Characteristics
The 6.0L V8 and 4L60E combination provided the Yukon XL II with ample power for towing and hauling. Acceleration was respectable for a full-size SUV, though not particularly sporty. The automatic transmission’s gear ratios were optimized for towing and everyday driving, prioritizing smooth operation over quick acceleration. Compared to the 4.8L V8 models, the 6.0L offered a noticeable improvement in responsiveness, especially when fully loaded. However, it wasn’t as nimble or fuel-efficient as the smaller engine. The 4WD system provided enhanced traction in inclement weather and off-road conditions, making it a capable all-season vehicle.
Equipment & Trim Levels
The Yukon XL II 1500 6.0 V8 4WD Automatic typically came standard with features such as air conditioning, power windows and locks, cruise control, and an AM/FM stereo. Higher trim levels, such as the SLT, added features like leather upholstery, heated seats, a premium sound system, and upgraded interior trim. Optional extras included a DVD entertainment system, a sunroof, and a navigation system. The interior design was functional and spacious, with seating for up to nine passengers depending on the configuration. The extended wheelbase of the XL II provided significantly more cargo space behind the third row of seats compared to the standard Yukon.
Chassis & Braking
The GMT800 platform utilized a body-on-frame construction, providing a robust and durable chassis. The front suspension featured independent coil springs and torsion bars, while the rear suspension employed an independent multi-link setup with coil springs. This suspension configuration aimed to balance ride comfort with handling stability. The braking system consisted of disc brakes at the front and drum brakes at the rear. ABS (Anti-lock Braking System) was standard, enhancing safety during emergency braking situations. The Yukon XL II’s substantial weight necessitated a robust braking system, but stopping distances were longer than those of lighter vehicles.
Market Reception & Comparison
The Yukon XL II 1500 6.0 V8 4WD Automatic was generally well-received by critics and consumers alike. It was praised for its spacious interior, powerful engine, and all-weather capability. However, its fuel economy was a common criticism, as the large V8 engine and heavy weight resulted in relatively low MPG figures. Compared to the 4.8L V8 models, the 6.0L offered a significant performance upgrade, but at a higher price point. It also offered a more compelling alternative to the smaller Chevrolet Tahoe and Cadillac Escalade EXT, providing more space and a more powerful engine.
Legacy
The GMT800 Yukon XL II remains a popular choice among used car buyers seeking a spacious and capable SUV. The 6.0L Vortec engine is known for its durability and reliability, although regular maintenance is essential to prevent issues such as oil leaks and coolant system failures. The 4L60E transmission is also generally reliable, but it can be prone to wear and tear with heavy use. Overall, the Yukon XL II 1500 6.0 V8 4WD Automatic represents a solid and dependable full-size SUV that continues to offer good value in the used car market. Its combination of power, space, and all-weather capability has ensured its enduring appeal.
