: The standard choice, delivering 401 horsepower and 464 lb-ft of torque . For the 2024–2026 models, it is paired with a 10-speed Allison automatic transmission , improving overall performance compared to older 6-speed versions.
Choosing the right engine is the most critical decision when purchasing a Silverado 2500.
: The powerhouse option for heavy towing, producing 470 horsepower and a massive 975 lb-ft of torque . This engine is widely praised by Edmunds for its smooth power delivery and effortless towing.
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