GMC AT4 Engine Specifications
The GMC AT4 lineup is known for its rugged capabilities and performance-oriented features. The AT4 models are equipped with powerful engines designed to handle both on-road and off-road conditions. Below are the detailed engine specifications for the GMC AT4 series.
| Model | Engine Type | Displacement | Horsepower | Torque | Transmission |
|---|---|---|---|---|---|
| GMC Sierra AT4 | V8 | 5.3L | 355 hp | 383 lb-ft | 10-speed automatic |
| GMC Sierra AT4 | V8 | 6.2L | 420 hp | 460 lb-ft | 10-speed automatic |
| GMC Canyon AT4 | V6 | 3.6L | 308 hp | 275 lb-ft | 8-speed automatic |
| GMC Terrain AT4 | I4 Turbo | 2.0L | 252 hp | 260 lb-ft | 9-speed automatic |
Engine Configuration
The GMC AT4 models feature a variety of engine configurations that cater to different performance needs. Here’s a breakdown of the engine types used in the AT4 lineup:
V8 Engine Configuration
-5.3L V8: This engine is known for its balance of power and efficiency, making it suitable for everyday driving as well as towing and hauling.
-6.2L V8: A more powerful option, the 6.2L V8 is designed for those who require maximum performance, especially in off-road conditions.
V6 Engine Configuration
-3.6L V6: This engine provides a good mix of power and fuel efficiency, ideal for the GMC Canyon AT4, which is often used for both work and leisure.
I4 Turbo Engine Configuration
-2.0L I4 Turbo: Found in the GMC Terrain AT4, this engine offers a combination of turbocharged power and efficiency, suitable for urban driving and light off-road use.
Engine Oil Specifications
Proper engine oil is crucial for maintaining the performance and longevity of the GMC AT4 engines. The following specifications outline the recommended engine oil types and capacities for various AT4 models.
| Model | Oil Type | Oil Capacity (with filter) | Oil Change Interval |
|---|---|---|---|
| GMC Sierra AT4 (5.3L V8) | SAE 0W-20 or 5W-30 | 8 quarts | 7,500 miles or 12 months |
| GMC Sierra AT4 (6.2L V8) | SAE 0W-20 or 5W-30 | 8 quarts | 7,500 miles or 12 months |
| GMC Canyon AT4 (3.6L V6) | SAE 0W-20 | 6 quarts | 7,500 miles or 12 months |
| GMC Terrain AT4 (2.0L I4 Turbo) | SAE 0W-20 | 5 quarts | 7,500 miles or 12 months |
Service Intervals
Regular maintenance is essential to keep your GMC AT4 running smoothly. Below are the recommended service intervals for various components of the vehicle.
Oil Change Intervals
– Change engine oil and filter every 7,500 miles or 12 months, whichever comes first.
Air Filter Replacement
– Inspect air filter every 15,000 miles; replace as necessary.
Fuel Filter Replacement
– Inspect fuel filter every 30,000 miles; replace as necessary.
Transmission Fluid Change
– Change transmission fluid every 50,000 miles for optimal performance.
Brake Fluid Change
– Change brake fluid every 2 years, regardless of mileage.
Coolant Replacement
– Replace coolant every 5 years or 150,000 miles.
Conclusion
The GMC AT4 models are engineered for performance and durability, making them suitable for a variety of driving conditions. Understanding the engine specifications, oil requirements, and service intervals is crucial for maintaining the vehicle’s performance and ensuring longevity. Regular maintenance and adherence to recommended service intervals will help keep your GMC AT4 in peak condition, ready for any adventure.
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