Key Takeaway:
Choosing the right engine depends on your priorities—everyday comfort, work capability, or maximum towing.
With a history dating back to 1977, Boucher Chevrolet Waukesha is a family-owned and operated dealership and part of several Boucher Automotive Group locations across southeastern Wisconsin. Renowned for our customer-focused sales, financing, and service approach, Boucher Chevrolet Waukesha has long been viewed as the go-to location in Waukesha, WI, for those wanting the very best selection of new and certified pre-owned Chevrolets.
For many Boucher Chevrolet Waukesha customers, it’s always been a dream to own the legendary Chevrolet Silverado 1500. One of the best-selling full-size pickups in America, the Chevrolet Silverado 1500 is largely considered Chevrolet’s flagship offering, and for good reason.

Winner of America’s #1 Full-Size Pickup for Initial Quality Award in 2025 from J.D. Power, and a Five-Star Rated National Highway Traffic Safety Administration (NHTSA) award winner, the Chevrolet Silverado 1500 consistently raises the bar by which all heavy-duty pickups are measured.
Exceptional power, out-of-this-world handling and reliability, and unparalleled quality, the Chevrolet Silverado 1500 is a sure winner. So, if you’ve been thinking about Chevy Silverado engine options or want to ensure you’re choosing the right Chevy Silverado engine, this guide will surely answer all your questions.
The 6.2L V8 EcoTec3 or the 3.0L Duramax Turbodiesel engines offer the highest towing capacities, up to 13,300 pounds when properly equipped.
The base Work Truck and Custom trims come standard with the 2.7L TurboMax I4 engine paired with an 8-speed automatic transmission.
The 3.0L Duramax Turbodiesel Inline-6 is the most fuel-efficient option while still providing strong towing and payload performance.
Yes. Engines like the 5.3L V8, 6.2L V8, and 3.0L Duramax are available upgrades on higher trims such as LT, LTZ, High Country, and ZR2.
Consider your primary use: city driving and efficiency point to the 2.7L TurboMax; towing and heavy-duty tasks favor the 6.2L V8 or 3.0L Duramax. Test-driving different trims at Boucher Chevrolet Waukesha is the best way to experience which engine fits your needs.
First up is the iconic 2.7-liter, Inline-Four TurboMax engine married to a whisper-quiet 8-speed automatic transmission. Standard on the Work Truck (WT), Custom, Custom Trail Boss, LT, LT Trail Boss, and RST, this incredible engine generates a more-than-impressive 310 horsepower, 430 pound-feet of torque, while having a maximum towing capacity of 9,500 pounds, when properly equipped. With a maximum payload of 2,260 pounds, it’s almost unfair to refer to this all-powerful engine as the base engine offering.
Standard/Available On:
Next up is the 5.3-liter V-8 EcoTec 3. Always paired with a 10-speed automatic transmission, this engine generates an impressive 355 horsepower, 383 pound-feet of torque, while allowing for a maximum towing capacity of 11,500 pounds. Available as an upgradeable option on the Work Truck, the 5.3-Liter EcoTec 3 is standard on the LTZ and High Country trims, while also being an option on the Custom Trail Boss, LT, and LT Trail Boss.
With a maximum payload of 2,180 pounds, this is one engine that is sure to please.
Standard on
Available On:
Not standard on any specific trim, but available as an option on the RST, LT Trail Boss, LTZ, High Country, and off-road dominant ZR2, the 6.2-liter V-8 EcoTec 3 is always combined with a 10-speed automatic transmission. This incredible powertrain generates an unheard-of 420 horsepower, 460 pound-feet of torque, while allowing for a maximum towing capacity of 13,300 pounds. With a maximum payload of 1,980 pounds, this is often the go-to engine configuration for general contractors.
Available Only as an Upgrade On:
The last engine option is the 3-liter Inline-Six Duramax Turbodiesel, which is only standard on the ZR2 trim. It is, however, an upgradeable option for the Custom Trail Boss, LT, LT Trail Boss, LTZ, RST, and High Country. Combined with a 10-speed automatic transmission, this engine option generates 305 horsepower and 495 pound-feet of torque, allowing for a maximum towing capacity of 13,300 pounds and a maximum payload of 1,970 pounds.
Standard Only On:
Available On:
| Engine | Transmission | Horsepower | Torque | Max Towing | Max Payload | Available Trims |
|---|---|---|---|---|---|---|
| 2.7L Inline-Four TurboMax | 8-Speed Automatic | 310 hp | 420 lb-ft | 9,500 lbs | 2,260 lbs | WT, Custom, Custom Trail Boss, LT, LT Trail Boss, RST |
| 5.3L V-8 EcoTec3 | 10-Speed Automatic | 355 hp | 383 lb-ft | 11,500 lbs | 2,180 lbs | Standard on LTZ, High Country; Available on WT, Custom, Custom Trail Boss, LT, LT Trail Boss |
| 6.2L V-8 EcoTec3 | 10-Speed Automatic | 420 hp | 460 lb-ft | 13,300 lbs | 1,980 lbs | Available on RST, LT Trail Boss, LTZ, High Country, ZR2 |
| 3.0L Inline-Six Duramax Turbodiesel | 10-Speed Automatic | 305 hp | 495 lb-ft | 13,300 lbs | 1,970 lbs | Standard on ZR2; Available on Custom Trail Boss, LT, LT Trail Boss, LTZ, RST, High Country |
At Boucher Chevrolet Waukesha, we’re exceptionally proud of our reputation as the must-have resource for Waukesha, WI, Chevrolet customers wanting the best selection of new and pre-owned Chevrolet and other vehicles. From the moment you enter our dealership, you’ll instantly marvel at our professionalism, friendly demeanor, can-do attitude, and our unwavering commitment to providing you with the very best in sales, servicing, and financing.
If you have decided you want to test drive a Chevrolet Silverado 1500 and need help selecting among these incredible Chevy Silverado engine options, call our sales department or contact us now.