tires to 18 mpg combined for 2WD trucks. We'd advise buyers to take a test drive of the 2.7-liter turbo or diesel before deciding to go with the smaller V8.
Speaking of the Duramax diesel, the 3.0-liter inline-six produces 305 hp and 495 lb-ft of torque. It too is coupled with the 10-speed automatic. Fuel economy ranges from 26 mpg combined with 2WD to 22 mpg combined for a 4x4 mud terrain tire model . That’s as big of a fuel economy advantage as it seems over the other engines, but unfortunately, high diesel prices wipe out any sort of economic advantage. Should they go down, however, you’ll be back to saving money, especially compared to the V8s.
The 6.2-liter V8 is the top-dog offering with 420 horsepower and 460 lb-ft. It too gets the 10-speed and is only available with 4WD. The 6.2 is standard on the ZR2, and optional on the RST, LT Trail Boss, LTZ and High Country. estimates range from 15 mpg combined for those with mud terrain tires to 17 mpg for a more road-going version.We've been impressed with the Silverado's road holding and steering since its last major redesign for 2019. Despite its size, the Silverado is not ponderous to drive. Handling is actually fairly responsive, and it feels nimbler than its rival trucks. The ride quality continues to be a sore spot, however.
Now, as for the V8s, the mid-level 5.3-liter is a fine engine that pairs well with its 10-speed automatic, but is ultimately unremarkable considering the other engines offered as well as those of rival trucks. The bigger 6.2-liter most definitely does feel significantly more powerful than any of the smaller engines — it's rated at a stout 420 horsepower and 460 lb-ft of torque — and works very well with its standard 10-speed auto.