GMC's Revolutionary Heavy-Duty Truck Lineup
GMC has unveiled its completely redesigned Sierra heavy-duty pickup series, setting new benchmarks in the segment with significant upgrades to power, capability, and standard features. The 2020 Sierra 2500 and 3500 models deliver exceptional value with improved pricing structures across multiple trim levels, making these work-ready trucks more accessible than ever before.
Key Highlights of the New Sierra HD Series:
- Powerful new standard 6.6L gasoline V8 engine across all trims
- Enhanced 6.6L Duramax turbo-diesel option paired with Allison's advanced 10-speed automatic transmission
- Substantial safety upgrades including blind spot monitoring and automatic emergency braking
- Premium features now standard like LED lighting and power-extending mirrors
- Competitive pricing structure with some trims costing less than outgoing models
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Notable Trim-Level Improvements
The 2020 Sierra HD series introduces meaningful enhancements across all configurations, with particular attention to value-packed mid-range trims and premium offerings.
SLE Trim: More Value, Lower Price
The volume-leading Sierra 2500 SLE crew-cab 4×4 demonstrates GMC's commitment to delivering greater value, starting at $1,900 less than the previous model despite significant upgrades. This workhorse trim now includes:
- Standard 6.6L gasoline V8 engine (replacing the previous 6.0L)
- LED headlamps and taillamps
- Power-extending trailer mirrors
- Innovative side bed step
- 12 heavy-duty cargo tie-downs
- Advanced Traction Select System
Denali: The Pinnacle of Luxury Trucking
The flagship Denali trim receives the most comprehensive updates, now starting at $65,295 (including destination). While representing a $7,200 increase over the previous model, this premium package now includes standard four-wheel drive and an impressive array of luxury and capability features:
- MultiPro six-function tailgate
- ProGrade Trailering system with dedicated mobile app
- Heated and ventilated perforated leather seats
- Premium off-road suspension with Rancho shocks
- Eaton locking rear differential
- Comprehensive safety suite including automatic emergency braking
AT4: Born for Off-Road Adventure
Positioned as the ultimate off-road heavy-duty truck, the AT4 starts at $59,295 and comes trail-ready with:
- Standard four-wheel drive with Autotrac transfer case
- Off-road tuned suspension with 2-inch lift
- 18-inch wheels wrapped in Michelin all-terrain tires
- Unique Traction Select System with dedicated Off-Road mode
- Underbody skid plates for protection
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Comprehensive Pricing Breakdown
GMC has structured its Sierra HD pricing to offer multiple configuration options for both commercial and personal use. Below is the complete pricing guide for the 2020 lineup:
Sierra 2500 Series Pricing
| Trim | Configuration | Starting MSRP |
|---|---|---|
| Sierra 2500 Base | Regular cab, long bed | $37,195 |
| Double cab, standard bed | $39,795 | |
| Double cab, long bed | $39,995 | |
| Crew cab, standard bed | $41,595 | |
| Crew cab, long bed | $41,795 |
Sierra 3500 Series Pricing
| Trim | Configuration | Starting MSRP |
|---|---|---|
| Sierra 3500 Base | Regular cab, long bed, SRW | $38,395 |
| Regular cab, long bed, DRW | $39,595 |
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Engine and Performance Specifications
The 2020 Sierra HD lineup boasts two formidable engine options designed to handle the most demanding workloads:
6.6L Gasoline V8 (L8T)
- 401 horsepower @ 5,200 rpm
- 464 lb-ft of torque @ 4,000 rpm
- Direct injection and variable valve timing
- Optimized for heavy towing and payload
6.6L Duramax Turbo-Diesel V8 (L5P)
- 445 horsepower @ 2,800 rpm
- 910 lb-ft of torque @ 1,600 rpm
- Paired with Allison 10-speed automatic transmission
- B20 biodiesel capability
- Enhanced cooling system for extreme conditions
Both engines benefit from GMC's extensive durability testing, including equivalent of 250,000 miles of real-world use before production.
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Towing and Payload Capabilities
The Sierra HD series establishes new benchmarks for heavy-duty performance:
- Maximum conventional towing: 18,500 lbs (2500 series), 20,000 lbs (3500 series)
- Fifth-wheel/gooseneck towing: Up to 35,500 lbs (3500 DRW)
- Maximum payload: 7,442 lbs (3500 Regular Cab DRW)
- Integrated trailer brake controller with gain adjustment
- Trailer tire pressure monitoring system available
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Technology and Safety Innovations
GMC has equipped the Sierra HD with class-leading technology to enhance both productivity and safety:
ProGrade Trailering System
- Dedicated mobile app for trailer management
- Trailer light test function
- Maintenance reminders
- Custom trailer profiles
Advanced Safety Features
- Automatic Emergency Braking
- Forward Collision Alert
- Lane Departure Warning
- Following Distance Indicator
- Intelligent High Beam Assist
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Choosing the Right Sierra HD Configuration
With multiple cab styles, bed lengths, and trim levels available, selecting the optimal Sierra HD requires careful consideration of your needs:
Work Truck Buyers
The base Sierra 2500 Regular Cab with long bed offers maximum payload at minimum cost, ideal for:
- Construction crews
- Landscapers
- Utility companies
Premium Personal Use
The Sierra 2500 Denali Crew Cab combines luxury with capability, perfect for:
- Large RV towing
- Luxury horse trailer owners
- High-end contractors
Extreme Duty Requirements
The Sierra 3500 DRW models deliver uncompromising capability for:
- Commercial towing operations
- Heavy equipment transport
- Large fifth-wheel trailers
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Competitive Landscape
The redesigned Sierra HD enters a fiercely competitive segment, comparing favorably against rivals:
Versus Ford Super Duty
- More standard features in base trims
- Unique MultiPro tailgate functionality
- Superior interior materials in Denali trim
Versus Ram HD
- Stronger base gasoline engine
- More comprehensive standard safety features
- Exclusive Allison transmission with diesel
