GMC Sierra Denali 2500 HD gains functional hood scoop for 2017
GMC has introduced a revised Sierra Denali 2500 HD for 2017, featuring a prominent functional hood scoop designed to improve airflow to the Duramax diesel engine.
GMC has introduced the 2017 Sierra Denali 2500 HD, bringing a notable update to its heavy-duty pickup line with the addition of a functional hood scoop. This new feature, outlined in chrome, is designed to channel cooler outside air directly into the engine bay. The scoop is exclusive to diesel-powered models, easily identified by the Duramax badge on the bonnet.
Introduction of the 2017 GMC Sierra Denali 2500 HD
Purpose and Functionality of the Hood Scoop
The new scoop is not merely a styling element. Its main role is to improve airflow and cooling for the Duramax diesel engine, which is especially useful for heavy-duty tasks such as towing and commercial use. By drawing in cooler air from outside the vehicle, the system helps maintain optimal engine temperatures under load, potentially supporting higher output or better durability in demanding conditions.
Engine and Performance Comparison
| Model | Engine | Horsepower (hp) | Torque (lb-ft) |
|---|---|---|---|
| GMC Sierra 2500 HD Denali | 6.6-litre V8 Duramax diesel | 397 | 765 |
| Ram 2500 HD | 6.7-litre inline-six diesel | 370 | 800 |
| Ford Super Duty | 6.7-litre V8 Power Stroke diesel | 440 | 860 |
While GMC has not released updated power figures for the 2017 Sierra Denali 2500 HD, the previous model’s 6.6-litre Duramax V8 delivered 397 horsepower and 765 lb-ft of torque. This places the Sierra in close competition with the Ram 2500 HD and Ford Super Duty, both of which offer their own high-output diesel engines. The addition of the functional scoop suggests GMC’s intention to enhance cooling and potentially support improved performance.
Competitive Landscape
- Ford Super Duty: 6.7-litre V8 with up to 440 hp and 860 lb-ft of torque
- Ram 2500 HD: 6.7-litre inline-six with up to 370 hp and 800 lb-ft of torque
- GMC Sierra 2500 HD Denali: 6.6-litre V8 Duramax, previously at 397 hp and 765 lb-ft
The battle for supremacy in the heavy-duty pickup segment continues as manufacturers introduce both technical and visual enhancements. GMC’s new scoop reflects a broader trend of focusing on performance improvements that matter to buyers who need robust towing and payload capabilities.
Looking Ahead for GMC’s Heavy-Duty Line-up
At this stage, GMC has not announced additional mechanical changes for the 2017 Sierra Denali 2500 HD. The functional hood scoop stands as the most visible update, aligning with the industry’s push for both style and substance. Buyers interested in a premium mid-size alternative can also consider the 2017 Canyon Denali, which broadens GMC’s appeal in the truck market.
