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Dec 18, 2025
Should you choose the 6.6L gas V8 or the Duramax 6.6L Turbo-Diesel V8 in the 2026 Chevrolet Silverado 2500 HD near St. Croix Falls, WI?

Don Johnson Auto Group – Should you choose the 6.6L gas V8 or the Duramax 6.6L Turbo-Diesel V8 in the 2026 Chevrolet Silverado 2500 HD near St. Croix Falls, WI?

Shoppers hauling work equipment down Highway 8 or towing a camper to Interstate Park often ask which engine best fits real towing around St. Croix Falls. The 2026 Chevrolet Silverado 2500 HD gives you a confident choice between a 6.6L gas V8 and the available 6.6L Duramax Turbo-Diesel V8, both paired with an Allison 10-speed automatic transmission. At Don Johnson Auto Group, our goal is to match your needs with the right powertrain so you get capability that feels effortless day in and day out.

Here is the core difference in plain terms. The standard 6.6L gas V8 delivers 401 horsepower and 464 lb-ft of torque for balanced daily-duty performance. The available 6.6L Duramax Turbo-Diesel V8 elevates capability to 470 horsepower and 975 lb-ft of torque, and in the Silverado HD lineup the diesel’s max tow rating roughly doubles the gas engine’s top rating when properly equipped. If you regularly tow heavy—especially across rolling terrain along the St. Croix River valley—the diesel’s sustained torque and gearing work in your favor. If your towing is occasional and your driving mixes jobsite runs with everyday errands, the gas V8 remains a strong, smooth partner.

To help you quickly compare how each engine supports your workload near St. Croix Falls, consider these practical differences that matter on real roads and launch ramps.

  • Output and torque: 6.6L gas V8 at 401 hp/464 lb-ft vs. 6.6L Duramax Turbo-Diesel V8 at 470 hp/975 lb-ft for confident pull from low rpm.
  • Transmission pairing: Both engines pair with an Allison 10-speed automatic to keep the truck in the heart of its power under load.
  • Max towing perspective: Silverado HD diesel configurations can roughly double comparable gas ratings when properly equipped, giving more headroom for larger trailers.
  • Everyday drivability: Gas is well suited to mixed use and shorter trips, while diesel shines during frequent, heavy, or long-distance towing.

Power is only part of the story. The Silverado 2500 HD brings trailering technology that turns muscle into control and confidence, especially on two-lane highways and boat ramps around Polk County. These integrated features help you see more, react sooner, and manage your setup like a pro.

  • Camera coverage: Up to 14 available camera views, including a Transparent Trailer View that helps you virtually see through the trailer for easier merging and maneuvering.
  • Adaptive support: Available Adaptive Cruise Control is optimized for trailering to reduce fatigue on longer drives.
  • Blind-zone awareness: Available blind-spot monitoring and rear cross-traffic alert can assist when changing lanes or backing a trailer.
  • Trailer profiles: Built-in trailer profiles let you monitor maintenance items and manage functions with compatible smartphone control.

If you are still weighing gas versus diesel for your 2026 Silverado 2500 HD, use this simple framework as you think about your needs near St. Croix Falls.

  1. Your trailer weight and how often you tow: Choose diesel if you frequently pull heavier equipment or larger campers and want more reserve power in hilly routes.
  2. Your driving mix: Pick gas if you mostly commute, run local errands, and tow only on select weekends or project days.
  3. Your long-term plans: Select diesel if you expect your towing needs to grow or you want the broadest capability window for future trailers.

There are thoughtful updates for 2026 as well. Polar White Tricoat joins the palette and looks sharp against the Silverado HD’s strong stance, while Bright Finish 20-inch aluminum wheels replace the previous polished design. Inside, LT, LTZ, Trail Boss, High Country, and ZR2 models equip a standard 13.4-inch touchscreen running Chevy’s Google-based infotainment with Apple CarPlay and Android Auto integration, plus available wireless charging to keep your cabin uncluttered.

For customers who split time between jobsite demands and weekend towing around St. Croix Falls, the diesel’s torque and trailering tech create a relaxing towing experience. For those who primarily drive unladen with occasional towing, the gas engine’s smooth response and Allison 10-speed’s smart ratios make daily driving easy. Either way, Silverado 2500 HD backs up its strength with a spacious cabin, practical storage, and the safety and driver-assistance features you want for four-season Wisconsin driving.

Our team at Don Johnson Auto Group will help you map engine choice, cab and bed configuration, axle ratio, and trailering features to your specific trailer and cargo. Bring your approximate trailer weight, tongue weight, and how you plan to use the truck. We will walk you through hitching solutions, camera setups, and trailer profile settings so your first tow is as confident as your hundredth.

Frequently Asked Questions:

Can the 2026 Chevrolet Silverado 2500 HD handle gooseneck or fifth-wheel towing?

The Silverado 2500 HD is engineered for both conventional and gooseneck/fifth-wheel towing when properly equipped. We can help you select the right factory prep and towing hardware for your specific trailer.

Does Adaptive Cruise Control work while towing on the 2026 Silverado 2500 HD?

Available Adaptive Cruise Control is designed with trailering in mind to help reduce fatigue on longer drives. It works alongside the available multiview camera system to support confident highway towing.

Which trims include the 13.4-inch touchscreen with Apple CarPlay and Android Auto?

LT, LTZ, Trail Boss, High Country, and ZR2 models include the 13.4-inch touchscreen and offer features like an integrated wireless smartphone charging pad.

What changed for 2026 that St. Croix Falls shoppers should know?

Chevrolet added Polar White Tricoat and introduced Bright Finish 20-inch aluminum wheels. The proven engine lineup and Allison 10-speed transmission carry forward to maintain the Silverado 2500 HD’s dependable capability.

Ready to compare the 6.6L gas V8 and the 6.6L Duramax Turbo-Diesel V8 side by side? Visit Don Johnson Auto Group in Rice Lake, Hayward, Ladysmith, or Cumberland. We will help you test-drive, review towing tech like Transparent Trailer View, and configure your 2026 Chevrolet Silverado 2500 HD for the roads and jobs you tackle near St. Croix Falls.

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