The GMC Yukon XL II, specifically the 2500 variant equipped with the 6.0-liter V8 engine and automatic transmission, represents a significant iteration in GMC’s full-size SUV lineup. Produced from 2000 to 2006 as part of the GMT800 platform generation, this vehicle was designed to offer substantial towing capacity and interior space, catering to buyers needing a robust and versatile vehicle. Positioned as a heavy-duty option within the Yukon XL family, the 2500 model filled the gap between the standard Yukon XL and the even more capable 3500 series, offering a balance of power, comfort, and utility. This configuration, with its 315 horsepower output, was a popular choice for those requiring a powerful SUV for work or family needs.
Technical Specifications
| Brand | GMC |
| Model | Yukon XL II |
| Generation | Yukon XL II (GMT800) |
| Type | 2500 6.0 V8 (315 Hp) 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 | 7.3 kg/Hp, 136.4 Hp/tonne |
| Weight-to-torque ratio | 4.8 kg/Nm, 208.2 Nm/tonne |
| Power | 315 Hp @ 5000 rpm |
| Power per litre | 52.8 Hp/l |
| Torque | 481 Nm @ 4000 rpm, 354.77 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 |
| Engine oil capacity | 5.7 l, 6.02 US qt | 5.02 UK qt |
| Coolant | 15.3 l, 16.17 US qt | 13.46 UK qt |
| Kerb Weight | 2310 kg, 5092.68 lbs |
| Max. weight | 3900 kg, 8598.03 lbs |
| Max load | 1590 kg, 3505.35 lbs |
| Trunk (boot) space – minimum | 1294 l, 45.7 cu. ft. |
| Trunk (boot) space – maximum | 3726 l, 131.58 cu. ft. |
| Fuel tank capacity | 146 l, 38.57 US gal | 32.12 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 (Back) track | 1676 mm, 65.98 in. |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 4 gears, automatic transmission |
| Front suspension | Independent coil spring, Torsion |
| Rear suspension | Independent multi-link suspension, Coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Power steering | Hydraulic Steering |
| Tires size | 245/75 R16 |
| Wheel rims size | 7J x 16 |
Powertrain & Engine Architecture
At the heart of the Yukon XL 2500 was the 6.0-liter Vortec V8 engine, internally designated as the LQ4. This engine, a member of GM’s small-block family, featured a cast iron block and aluminum cylinder heads. The LQ4 utilized a multi-port fuel injection system, delivering fuel to each cylinder individually for optimized combustion. The engine’s 9.4:1 compression ratio and two valves per cylinder contributed to its robust torque output. The 4L80-E four-speed automatic transmission was the standard pairing for this engine. This transmission was known for its durability and ability to handle the high torque produced by the 6.0L V8, making it well-suited for towing and hauling. The transmission featured electronic control for smoother shifting and improved fuel efficiency compared to earlier designs.
Driving Characteristics
The Yukon XL 2500 with the 6.0L V8 and automatic transmission offered a comfortable and capable driving experience. While not a performance-oriented vehicle, the 315 horsepower and 355 lb-ft of torque provided ample power for everyday driving and towing. The automatic transmission, while not offering the quickest shifts, provided smooth and predictable gear changes. Compared to the 5.3L V8 offered in lower trims, the 6.0L provided a noticeable increase in power and towing capacity. However, it wasn’t as fuel-efficient. Compared to manual transmission equipped models, the automatic offered convenience but sacrificed some control and potentially a slight amount of fuel economy. The 4L80-E’s gear ratios were optimized for towing, with a lower first gear for quick acceleration from a standstill when carrying a load.
Equipment & Trim Levels
The Yukon XL 2500 typically came standard with features like air conditioning, power windows and locks, and a basic audio system. 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, navigation system, and various towing packages. The interior design was functional and spacious, prioritizing comfort and utility over luxury. The extended length of the XL model 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 load-carrying capability. Braking duties were handled by ventilated discs at the front and discs at the rear, providing adequate stopping power for the vehicle’s weight. An Anti-lock Braking System (ABS) was standard, enhancing safety during emergency braking situations. Hydraulic power steering provided easy maneuverability, although it lacked the precision of more modern steering systems.
Market Reception & Comparison
The Yukon XL 2500 was generally well-received by critics and consumers alike. It was praised for its spacious interior, strong towing capacity, and comfortable ride. However, some reviewers noted its relatively low fuel economy and somewhat dated interior design. Compared to competitors like the Ford Expedition and Chevrolet Suburban, the Yukon XL 2500 offered a similar level of capability and features. The 6.0L V8 engine was considered a strong performer, providing a noticeable advantage in towing capacity over the smaller engine options. Fuel economy was comparable to other full-size SUVs of the era, but significantly lower than more modern vehicles.
Legacy
The GMT800 Yukon XL 2500 remains a popular choice in the used car market, particularly among those seeking a capable and affordable towing vehicle. The 6.0L Vortec V8 engine is known for its reliability, although it is susceptible to oil consumption issues as it ages. The 4L80-E transmission is also generally considered durable, but regular maintenance is crucial to ensure its longevity. While not as refined as more modern SUVs, the Yukon XL 2500 offers a compelling combination of space, power, and affordability, making it a viable option for those needing a robust and versatile vehicle. Parts availability remains good, and the vehicle’s relatively simple mechanical design makes it relatively easy to maintain and repair.
