🔥 2026 GMC Sierra 2500HD AT4 Crew Cab 4WD – Volcanic Red Tintcoat
Duramax® 6.6L Turbo-Diesel • AT4 Off-Road Package • Kalahari Interior
The 2026 GMC Sierra 2500HD AT4 is built for drivers who demand heavy-duty diesel power, true off-road capability, and premium GMC craftsmanship—without stepping into extreme AT4X territory. This truck delivers the perfect balance of work-ready strength and trail-rated confidence.
Finished in Volcanic Red Tintcoat with a Jet Black interior accented by Kalahari, this AT4 stands out anywhere—from the jobsite to the backcountry.
Available now at Herb Jones Chevrolet GMC in Elizabethtown, KY, where transparent pricing and no gimmicks are how we do business.
💪 Duramax Diesel Power & HD Capability
- 6.6L Duramax® Turbo-Diesel V8
- Allison® 10-Speed Automatic Transmission
- 4WD with AT4 Off-Road Suspension
- 3.42 Rear Axle Ratio
- 11,350-lb GVWR
- Built for serious towing, hauling, and long-term durability
This Sierra HD is engineered to handle heavy trailers, rough terrain, and demanding workdays with confidence.
🏔️ AT4 Off-Road Features
The AT4 trim is purpose-built for drivers who need real off-road capability without sacrificing comfort or functionality.
- AT4 off-road suspension tuning
- Off-Road High-Clearance Steps (dealer installed)
- LED roof marker lamps
- Skid-plate protection and enhanced ground clearance
- Bold AT4 exterior styling
This is more than a lifted look—it’s a truck designed to perform when conditions get tough.
🛋️ Interior Comfort & Technology
- Jet Black interior with Kalahari accents
- Crew Cab configuration for maximum passenger space
- Power sliding rear window
- Universal Home Remote
- Premium materials designed for durability and comfort
Whether you’re towing across the state or heading off the pavement, this cabin keeps you comfortable and in control.
🚙 Why Buy Your Sierra HD from Herb Jones Chevrolet GMC?
We understand that HD truck buyers are informed and value honesty over hype.
✅ Our Promise
- Upfront, transparent pricing
- No fake discounts or confusing rebates
- No mandatory add-ons
- Straightforward trade-in evaluations
- A buying experience that’s truly worth the drive
Customers choose us from Elizabethtown, Radcliff, Vine Grove, Brandenburg, Hodgenville, Bardstown, Shepherdsville, Leitchfield, Glasgow, plus Louisville, Lexington, Bowling Green, and beyond—because we respect their time and intelligence.
⭐ Ideal For Buyers Who Want
- Legendary Duramax diesel reliability
- Real AT4 off-road capability
- Heavy-duty towing confidence
- A bold color that stands apart
- A dealership that keeps pricing simple and honest
🚨 Built to Work. Ready to Explore.
The 2026 GMC Sierra 2500HD AT4 delivers diesel strength, off-road confidence, and premium GMC refinement—and it’s available now with no-gimmick pricing at Herb Jones Chevrolet GMC.
📞 Call or message us for your best out-the-door price
📍 Herb Jones Chevrolet GMC – Elizabethtown, KY
🌐 HerbJonesChevrolet.com




