New GMC Sierra HD
New GMC Sierra Heavy Duty in New Orleans, LA
Why Buy GMC Sierra Heavy Duty
Test drive the new GMC Sierra Heavy Duty in New Orleans at Mossy Motors. This massive pickup truck has two available engine options, such as a 6.6-liter V8 and a Duramax turbocharged diesel V6. Both pair to a 10-speed automatic transmission to help you haul as many as 22,500 pounds. Trailer assistance features include Blind Zone Alert and adaptive cruise control with trailering assistance. Standard driver assistance technologies on the truck are lane-departure warnings, automatic emergency brakes, and forward-collision alerts.
May not represent actual vehicle. (Options, colors, trim and body style may vary)
The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
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What’s new on the 2024 GMC Sierra Heavy Duty
The 6.6-liter turbocharged diesel powertrain is more powerful on the 2024 GMC Sierra Heavy Duty. It now generates 470 horsepower and 975 lb-ft of torque at full speed. The Denali Ultimate trim level is new for this year. It adds leather upholstery, massaging front seats, and heated seating for more comfort.
GMC Sierra Heavy Duty - Performance
The standard powertrain on the 2024 GMC Sierra Heavy Duty at dealerships serving New Orleans Metairie Gretna Harvey is a 6.6-liter V8 with 401 horsepower and 464 lb-ft of torque. Upgrade to the Duramax turbocharged diesel 6.6-liter V8 to create 470 horsepower and 975 lb-ft of torque. Both engines pair with a 10-speed automatic transmission for higher power levels. The dual-rear-wheel axle on the 3500 HD adds the best towing capacity to the truck. A rear-wheel drivetrain is standard on the GMC Sierra Heavy Duty. Upgrade to the four-wheel drive setup for the most traction control.
GMC Sierra Heavy Duty – Safety
The new GMC Sierra HEAVY Duty in New Orleans is available with some driver assistance technologies. Forward-collision warnings help you stop your pickup truck when the sensors detect an emergency. They activate the automatic brakes to prevent an accident. Lane-departure alerts are standard on the GMC Sierra HD at Mossy Motors. These features alert you if your truck starts to drift outside the lines. Add blind-spot monitors to the base trim level to see every side of your GMC Sierra Heavy Duty. Rear cross-traffic alerts warn you when someone crosses the road behind you.
GMC Sierra Heavy Duty - Mechanical
The turbocharged Duramax diesel 6.6-liter V8 offers the highest towing capacity on the new GMC Sierra Heavy Duty at dealerships serving New Orleans Metairie Gretna Harvey. Choose the dual-rear-wheel axle build to haul over 22,000 pounds. More specifically, the most powerful Sierra 3500HD can tow 36,000 pounds. You must add the gooseneck hitch to your pickup truck to generate this towing capacity. The Sierra 2500HD allows you to haul 22,500 pounds behind you. Adaptive cruise control with trailering assistance will help you maintain your speed when performing heavy-duty work. The sway control technologies prevent your cargo from moving into another lane.
GMC Sierra Heavy Duty Trim Levels
The new GMC Sierra Heavy Duty in New Orleans is available in six trim levels. Only the Pro and SLE models do not offer an all-wheel drivetrain. The other four trim levels use either a rear-wheel drive or an all-wheel drive setup. The AT4 model is the best edition for off-roading. It has an off-roading suspension system for better traction management on dangerous terrain. Upgrade to the Denali to find a 13.4-inch diagonal infotainment system. The most premium version of the GMC Sierra Heavy Duty is the Denali Ultimate. It has massaging front seats and leather upholstery.
- Pro
- SLE
- SLT
- AT4
- Denali
- Denali Ultimate
2024 GMC Sierra Heavy Duty Colors
The new GMC Sierra Heavy Duty is available in six paint colors at our dealership serving New Orleans Metairie Gretna Harvey. The Cardinal Red and Downpout Metallic tones add a bright appearance to the exterior of your truck. The grays and blacks match the aggressive front grille to make your GMC Sierra Heavy Duty feel more rugged.
- Summit White
- Onyx Black
- Cardinal Red
- Sterling Metallic
- Downpour Metallic
- Thunderstorm Gray
Schedule an Appointment at Mossy Motors Today!
Schedule an appointment at Mossy Motors to the new GMC Sierra Heavy Duty in New Orleans. This pickup truck has two powertrain options, including a gas-powered V8 and a turbocharged diesel V8. Choose the 3500HD with all the upgrades for the maximum towing capacity of over 36,000 pounds. Standard safety features on the GMC Sierra Heavy Duty include lane-departure warnings and forward-collision alerts.
Mossy Motors
1331 S Broad St, New Orleans, LA 70125
Contact UsHours
| Monday | 8:30AM - 6:00PM |
| Tuesday | 8:30AM - 6:00PM |
| Wednesday | 8:30AM - 6:00PM |
| Thursday | 8:30AM - 6:00PM |
| Friday | 8:30AM - 6:00PM |
| Saturday | 8:30AM - 5:00PM |
| Sunday | Closed |
| Monday | 7:30AM - 5:30PM |
| Tuesday | 7:30AM - 5:30PM |
| Wednesday | 7:30AM - 5:30PM |
| Thursday | 7:30AM - 5:30PM |
| Friday | 7:30AM - 5:30PM |
| Saturday | Closed |
| Sunday | Closed |
| Monday | 8:00AM - 5:00PM |
| Tuesday | 8:00AM - 5:00PM |
| Wednesday | 8:00AM - 5:00PM |
| Thursday | 8:00AM - 5:00PM |
| Friday | 8:00AM - 5:00PM |
| Saturday | Closed |
| Sunday | Closed |



