Coughlin Automotive

Feb 11, 2021

There are many factors that go into choosing your new Chevrolet Silverado or Silverado HD. The engine is one of the most important factors. With 8 engines to choose from, let’s go over the highlights to pick which engine is best for you.

The 8 available engines are:

  • 2.7L Turbo with Active Fuel Management
  • 4.3L EcoTec3 V6 with Active Fuel Management
  • 5.3L EcoTec3 V8 with Active Fuel Management
  • 5.3L V8 with Dynamic Fuel Management
  • 6.2L V8 with Dynamic Fuel Management
  • Duramax 3.0L Turbo-Diesel
  • Duramax 6.6L Turbo-Diesel V8
  • 6.6L V8 Gas Engine

The highest towing capacity on the Silverado is with the 6.2L V8 with Dynamic Fuel Management engine that has a maximum of 13,300 lbs.. When going to the Silverado HD, the maximum towing capacity is 36,000 lbs. with the Duramax 6.6L Turbo-Diesel V8 in the Silverado 3500HD.

On the Silverado Work Truck (WT), Custom and Custom Trail Boss the standard  engine is the 4.3L EcoTec3 V6 with Active Fuel Management with a 6-speed transmission. This engine will produce up to 285 HP and a maximum towing capacity of 7,900 lbs..

The Silverado LT and RST come standard with the 2.7L Turbo with Active Fuel Management engine. This engine produces 310 HP and provides up to 9,300lbs. of towing capacity. The LT and RST also have an available 5.3L V8 with Dynamic Fuel Management engine. This engine will produce 355 HP and provide up to 11,500 lbs. of towing capabilities.

Interested in a different engine? No worries – Coughlin has you covered. Check out the chart below to view all of the available engines on the Silverado and Silverado HD with their maximum towing capacities, estimated MPG, and much more below.


2.7L Turbo with Active Fuel Management4.3L EcoTec3 V6 with Active Fuel Management5.3L EcoTec3 V8 with Active Fuel Management5.3L V8 with Dynamic Fuel Management6.2L V8 with Dynamic Fuel ManagementDuramax 3.0L Turbo-Diesel
MPG20 City/23 Highway15 City/20 Highway15 City/20 Highway17 City/23 Highway16 City/20 Highway23 City/33 Highway
HP310285355355420277
Torque348305383383460460
Transmission8-speed6-speed6-speed8-speed, 10-speed (LT Trail Boss, High Country 4×4)10-speed10-speed
Max Towing Capability9,300 lbs7,900 lbs10,100 lbs11,500 lbs13,300 lbs9,500 lbs
Displacement2726 cc4301 cc5328 cc5328 cc6162 cc2992 cc
Available In:Standard on LT and RST; available on Custom and WTStandard on WT, Custom and Custom Trail BossAvailable on WT, Custom and Custom Trail BossStandard on LT Trail Boss, LTZ and High Country; available on LT and RSTAvailable on High Country, LTZ, LT Trail Boss, RST and Custom Trail BossAvailable on LT, RST, LTZ and High Country
2021 Chevrolet Silverado 1500 Engine Options

Duramax 6.6L Turbo-Diesel V86.6L V8 Gas Engine
MPGN/AN/A
HP445401
Torque910464
Transmission10-speed Allison6-speed
Max Towing Capability36,000 lbs17,370 lbs
Displacement6619 cc6600 cc
Available In:Standard on all 2500HD and 3500HDAvailable on all 2500HD and 3500HD
2021 Chevrolet Silverado 2500, 3500 Engine Options

Coughlin Cars offers the Chevrolet Silverado 1500 and Chevrolet Silverado 2500HD and 3500HD at locations in Chillicothe, Circleville, Marysville, Newark, and Pataskala. Give us a call at 614-956-1900 to start the search for your new Silverado.

* Before using a vehicle for trailering and towing, review the Trailering or Towing section in your owner’s manual. The weight of passengers, cargo, and options or accessories can reduce the amount you are able to tow.

The Coughlin Automotive Group is the fastest-growing Dealership Group in Central Ohio. Serving multiple cities around Columbus, Ohio and selling 13 brands from 12 locations, we really mean it when we say “Coughlin has the cars for You!” we are Ohio’s #1 Corvette and Camaro dealer, Columbus’s #1 Silverado dealer, and the only group in central Ohio selling new Chevrolet, Buick, GMC, Cadillac, Toyota, Hyundai, KIA, Nissan, Ford, Chrysler, Dodge, Jeep, and Ram.