The short version

• Price: the Silverado HD (2500/3500) starts lower, $45,000 against $47,000 (4% less).
• Towing: level, at 16,330 kg each.
• Payload: level, at 3,280 kg each.
• Power: level, at 470 hp each.
• Powertrains: Silverado HD (2500/3500): ICE. Sierra HD (2500/3500): ICE.

Side by side

Pickup	Chevrolet Silverado HD (2500/3500)	GMC Sierra HD (2500/3500)
Starting price	$45,000Best	$47,000
Max power	470 hpBest	470 hpBest
Max towing	16,330 kgBest	16,330 kgBest
Max payload	3,280 kgBest	3,280 kgBest
Length	6,351 mm	6,369 mm
Bed length	2,089 mmBest	2,088 mm
Powertrain	ICE	ICE
Class	Heavy-duty	Heavy-duty
Drivetrain	RWD / 4x4	RWD / 4x4
Engines / motors	6.6L V8 gas, 6.6L Duramax V8 diesel	6.6L V8 gas, 6.6L Duramax V8 diesel
Main markets	North America	North America
Maker	Chevrolet United States	GMC United States

Best = lowest starting price; highest power, towing and payload. Approximate starting price in USD; specs are best-case maximums across trims.

Where each is sold

• Both are sold in United States, Canada, United Arab Emirates, Saudi Arabia.
• Only the Silverado HD (2500/3500): Australia, New Zealand.

Availability is compiled from makers’ public information as of November 2026. Launches and withdrawals can take a while to show up here, and trims differ by country. Prices are approximate starting prices converted to US dollars, not local list prices.

Related comparisons