The 2002 GMC Yukon with the 5.3-liter V8 produces about 285 horsepower.
In 2002, GM offered the 5.3-liter Vortec 5300 as the standard V8 in Yukon models across several trims. The engine was rated at SAE net 285 horsepower, with torque around 325 lb-ft. Output is typically the same for both rear-wheel-drive (RWD) and four-wheel-drive (4WD) configurations, though drivetrain losses and emissions equipment can cause small variations from the nominal rating. The transmission paired with this engine was GM’s four-speed automatic, which also affects how the horsepower feels in real-world driving.
Core engine specifications for the 2002 Yukon 5.3
Below is a concise list of the key specs for the 2002 Yukon’s 5.3L V8 to provide a quick reference.
- Engine: GM Vortec 5300, 5.3-liter V8
- Horsepower (SAE net): 285 hp @ ~5,200 rpm
- Torque: ~325 lb-ft @ ~4,000 rpm
- Transmission: 4-speed automatic (4L60-E)
- Drivetrain: Available in rear-wheel drive (RWD) and four-wheel drive (4WD)
- Fuel system: Sequential multi-point fuel injection
- Emissions: OBD-II
Note: While 285 hp is the standard figure for the 2002 Yukon 5.3, individual vehicles may show slight variations due to minor factory differences, exhaust configuration, or drivetrain setup.
Context: how horsepower matters for the Yukon
Horsepower, together with torque, influences acceleration, towing capability, and overall responsiveness. In the 2002 Yukon, the 5.3L V8 was designed to provide solid acceleration for a full-size SUV of its era, along with respectable towing performance, while balancing fuel economy for a vehicle of its size.
For buyers or restorers, it’s useful to confirm the exact engine code and drivetrain when checking service manuals or VIN data, as there can be small year-to-year or regional differences.
Related context: other Yukon engines
If you encounter a Yukon from the same generation with a different engine, horsepower will vary. For example, the range-topper Denali models used larger V8s, and later years offered updated Vortec engines with different output. This article focuses specifically on the 2002 Yukon equipped with the 5.3-liter V8.
Summary
For the 2002 GMC Yukon equipped with the 5.3-liter V8, the standard horsepower rating is 285 hp, with about 325 lb-ft of torque. This aligns with GM’s specification for that model year and reflects the performance expectations of a full-size SUV in the early 2000s.


