2027 Chevrolet Silverado Engine Comparison
Choosing the right truck engine shapes everything about how your vehicle drives, tows and handles years of steep grades and backroads across Eastern Kentucky. For 2027, Chevrolet has overhauled its full truck lineup, introducing next-generation small-block V8s on the Silverado 1500 alongside a ground-up redesign of the heavy-duty Duramax® diesel on the Silverado 2500 HD and 3500 HD.
The team at Tim Short Chevrolet of Hazard put together this comprehensive 2027 Silverado engine guide to help Whitesburg Chevy drivers match the exact powertrain to their workload, trailering demands and daily driving routine.
2027 Chevy Silverado 1500 Engine Options
The new Chevy Silverado 1500 lineup delivers four distinct engines tailored for everyday commuting, jobsite hauling and recreational trailering. Every 2027 half-ton engine now comes paired with an advanced 10-speed automatic transmission.
Enhanced 2.7-Liter TurboMax™ Engine
Standard on the core Silverado 1500 trims, the upgraded 2.7-liter TurboMax™ 4-cylinder brings high-torque performance to daily work trucks. Upgraded to 350 horsepower and 455 pound-feet of torque, this engine delivers best-in-class standard torque and the highest payload rating in the entire Silverado 1500 lineup at 2,340 pounds.
- 350 horsepower
- Best-in-class 455 lb-ft of standard torque
- Maximum payload capacity: up to 2,340 lbs
- Maximum towing capacity: up to 9,400 lbs
All-New 5.7-Liter Gen VI V8 Engine
The all-new 5.7-liter Gen VI small-block V8 is the dedicated towing workhorse of the half-ton lineup. Producing 402 horsepower and 428 pound-feet of torque, this engine runs on 87-octane fuel and provides classic V8 rumble with modern efficiency. When paired with the Max Trailering Package, it leads the half-ton class with a maximum towing capacity of up to 13,700 pounds.
- 402 horsepower
- 428 lb-ft of torque
- Class-leading maximum towing capacity: up to 13,700 lbs
- Maximum payload capacity: up to 2,170 lbs
All-New 6.6-Liter Gen VI V8 Engine
The all-new 6.6-liter Gen VI small-block V8 stands as the most powerful naturally aspirated V8 in its class. Tuned for rapid throttle response, high-speed passing power and aggressive off-road performance, it generates 481 horsepower and 501 pound-feet of torque.
- 481 horsepower (most powerful naturally aspirated V8 in its segment)
- 501 lb-ft of torque
- Maximum towing capacity: up to 9,700 lbs
- Maximum payload capacity: up to 1,510 lbs
Duramax® 3.0-Liter Turbo-Diesel Inline-Six
The segment-exclusive Duramax® 3.0-liter Turbo-Diesel inline-six returns as the half-ton fuel-economy and long-distance hauling champion. Generating 305 horsepower and 495 pound-feet of torque low in the rev band, it pulls trailers smoothly with minimal effort. Achieving GM-estimated 900 miles of highway driving range on a full tank of fuel, it allows drivers to cover long interstate stretches or haul heavy weekend campers with fewer fuel stops.
- 305 horsepower
- 495 lb-ft of torque
- Maximum towing capacity: up to 12,000 lbs
- Maximum payload capacity: up to 1,870 lbs
2027 Chevy Silverado HD Engine Guide
When the job outgrows half-ton capacities, the new Chevy Silverado 2500 HD and Silverado 3500 HD step in with heavy-duty platforms, standard eBoost braking, electric power steering and commercial-grade powertrains built to handle massive equipment.
Enhanced 6.6-Liter Gas V8 Engine
Serving as the standard powertrain on Silverado 2500 HD and Silverado 3500 HD models, the enhanced 6.6-liter gas V8 delivers proven, heavy-duty capability without the added operating requirements of diesel exhaust fluid. For 2027, output reaches 412 horsepower and 472 pound-feet of torque. This engine provides the highest payload rating across the HD lineup, making it a reliable favorite for service beds, flatbeds and commercial utility fleets.
- 412 horsepower
- 472 lb-ft of torque
- Maximum towing capacity: up to 19,000 lbs
- Maximum payload capacity: up to 6,990 lbs
- Integrated oil level sensor with Driver Information Center readout
All-New Duramax® 8.3-Liter Turbo-Diesel V8 Engine
For maximum pulling strength, commercial hauling and extreme trailering, the 2027 Silverado HD debuts an all-new Duramax® 8.3-liter Turbo-Diesel V8. This powerplant generates a best-in-class 555 horsepower and a massive, best-in-class 1,230 pound-feet of torque. When properly equipped, the Silverado 3500 HD dual-rear-wheel truck can pull up to 38,000 pounds with a gooseneck or fifth-wheel hitch.
- Best-in-class 555 horsepower
- Best-in-class 1,230 lb-ft of torque
- Maximum available gooseneck/fifth-wheel towing: up to 38,000 lbs
- Maximum available payload capacity: up to 6,170 lbs
Find the Best Silverado in Kentucky for Your Drive
Choosing between these engines comes down to how you plan to use your Silverado, and our team is happy to walk you through the trade-offs. We back our new Chevy vehicles with a Lifetime Powertrain Warranty,1 so you can invest in a bigger engine with added peace of mind.
Our huge selection of new Chevy trucks lets you compare trims and powertrains side by side, and our relationship-driven approach keeps customers coming back again and again. Contact us with your questions and we'll help you find the right match.
1 See dealer for details.
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2027 Chevy Silverado Engine FAQ
Which 2027 Chevy Silverado engine has the highest towing capacity?
For maximum pulling capability, the all-new Duramax® 8.3-liter Turbo-Diesel V8 on the Silverado HD delivers a best-in-class towing capacity of up to 38,000 pounds when properly equipped. In the half-ton Silverado 1500 lineup, the all-new 5.7-liter Gen VI V8 leads its class with a maximum towing capacity of up to 13,700 pounds when paired with the Max Trailering Package.
What is the most fuel-efficient 2027 Silverado engine?
The Duramax® 3.0-liter Turbo-Diesel inline-six is the fuel economy leader in the Silverado lineup, delivering a GM-estimated highway driving range of up to 900 miles on a full tank. Generating 305 horsepower and 495 pound-feet of torque at low RPMs, it allows drivers to tow trailers or commute long distances across Eastern Kentucky with fewer fuel stops.
What is the standard engine on the 2027 Chevrolet Silverado 1500?
The standard engine on core 2027 Silverado 1500 trims is the enhanced 2.7-liter TurboMax™ 4-cylinder engine paired with an advanced 10-speed automatic transmission. It generates 350 horsepower, a best-in-class standard 455 pound-feet of torque and the highest payload rating in the half-ton lineup at 2,340 pounds.
Is a gas or diesel Silverado engine better for Eastern Kentucky driving?
Choosing between gas and diesel depends on your driving habits and hauling demands. Gas options like the all-new 5.7-liter and 6.6-liter Gen VI V8s provide immediate acceleration and lower routine operating costs for local daily driving. Diesel engines like the 3.0-liter inline-six and heavy-duty 8.3-liter Duramax® excel at continuous heavy towing and sustained torque over steep Appalachian grades.
What are the horsepower ratings for the new 2027 Silverado V8 engines?
In the Silverado 1500 half-ton lineup, the all-new 5.7-liter Gen VI V8 generates 402 horsepower, while the all-new 6.6-liter Gen VI naturally aspirated V8 delivers 481 horsepower. For heavy-duty models, the Silverado HD offers an enhanced 6.6-liter gas V8 producing 412 horsepower and an all-new Duramax® 8.3-liter Turbo-Diesel V8 delivering a best-in-class 555 horsepower.
Does Tim Short Chevrolet of Hazard offer a warranty on new 2027 Silverado trucks?
Yes, all qualifying new Chevy vehicles purchased at Tim Short Chevrolet of Hazard come backed by a Lifetime Powertrain Warranty at no added cost.1 This protection covers critical powertrain components for as long as you own the truck, providing long-term peace of mind whether you use your Silverado for personal commuting or tough commercial jobs.