2023 Chevrolet Silverado 1500 adds more powerful diesel engine and top-of-the-line ZR2 Bison

What is the Silverado 1500?

Chevrolet gave the Silverado 1500 a major refresh last year, but the Bowtie continues to update its über popular full-size pickup. The 2023 Silverado 1500 lineup will expand to include the off-road-focused ZR2 Bison Special Edition trim level, as well as a more powerful Duramax diesel engine.

How did Chevy improve the Silverado 1500 diesel engine?

Chevrolet offers the Silverado 1500 with a diverse lineup of engines, ranging from a turbocharged four-cylinder to a massive 6.2-liter V8. A turbocharged 3.0-liter inline-six diesel is also available on most models, and its output is increased for 2023. While previous versions of the oil-burner exceeded 277 horsepower and 460 lb-ft of torque, the revised 2023 engine produces 305 hp and 495 lb-ft. Chevrolet cites new steel pistons and fuel injectors, a modified turbocharger and “enhanced temperature control features” as sources of increased output.

What is the Silverado 1500 ZR2 Bison?

The ZR2 Bison, on the other hand, uses the most powerful engine in the lineup: the 6.2-liter gasoline V8 developing 420 horsepower and 460 lb-ft of torque. Based on the already capable ZR2, the Bison was developed in conjunction with third-party supplier American Expedition Vehicles to be the ultimate off-roader. Powder-coated AEV steel front and rear bumpers give the ZR2 Bison improved approach and departure angles of 32.5 degrees and 23.4 degrees, respectively, without changing the 11.2-inch ground clearance . Other mechanical upgrades include boron steel skid plates, steel panels to protect the rocker panels, and 18-inch gloss black AEV wheels wrapped in 33-inch Goodyear Wrangler Territory MT tires.

Visual upgrades for the ZR2 Bison abound, starting with the exterior details. The body-colored grille splitter is unique to the Bison, as is the matte black upper element of the standard Multi-Flex tailgate. There are also AEV branded decals and badges throughout the cabin and on the external end caps.

How much does all this cost?

We’re not sure how much the diesel will cost, but the current engine costs between $2,500 and $3,000 over the four-cylinder (depending on trim) and about $1,000 more than the 5.3-liter V8. Expect prices to remain consistent when the 2023 Silverado 1500 goes on sale later this year.

Chevrolet has released pricing for the ZR2 Bison, however. Due to start production in early 2023, the Bison will have a base price of $78,490 including destination charges. That means the bumpers, skid plates and styling cues will set you back about $8,500 more than the cost of a standard Silverado 1500 ZR2.

Edmunds says

Chevy isn’t resting its laurels a year after the well-received Silverado 1500 refresh. The diesel produces a bit more power, while deep-pocketed buyers can now spec the even more capable ZR2 Bison.

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