TruckK2/T1 Platform (Refreshed)

2024 GMC Sierra 3500 HD Double Cab

Wheel Specs, Bolt Pattern, Towing & Reliability Guide

Offset & Fitment Calculator→

Max TowingUp to 20,000 lbs (Conventional) / Up to 36,000 lbs (Gooseneck/Fifth-Wheel)

Curb Weight6,800 - 8,100 lbs

Bolt Pattern (PCD)8x210 mm

Lug Nut Torque140 lb-ft (190 Nm)

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2024 GMC Sierra 3500 HD Double Cab Towing & Tongue Weight Limits

Official ratings for towing travel trailers, campers, boats, and payload cargo.

Max Tow CapacityUp to 20,000 lbs (Conventional) / Up to 36,000 lbs (Gooseneck/Fifth-Wheel)

Max Payload CapacityUp to 7,442 lbs

Max Tongue WeightUp to 2,000 lbs (Conventional with weight distribution)

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2024 GMC Sierra 3500 HD Double Cab Wheel Specs, Bolt Pattern & Offset

Factory wheel dimensions, center bore, and verified aftermarket fitment clearances.

OEM Factory Sizes

Trim Level	Wheel Dimensions & Offset	Factory Tire Size
Pro / SLE / SLT	18x8.0 ET44	LT275/70R18
AT4 / Denali	20x8.5 ET44	LT275/65R20

Max Tire Size on Stock Suspension (Rubbing Clearance)

Stock Flush

Recommended Wheel20x9.0 ET20

Recommended TireLT285/60R20

🔍 May require minor trimming with aggressive offset or larger tires.

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Powertrain, Ground Clearance & Fuel Economy

Ground Clearance10.1 - 11.2 inches

Fuel Economy / RangeNot rated by EPA (Heavy-Duty commercial vehicle class)

Engine Options6.6L V8 Gas (401 hp, 464 lb-ft); 6.6L Duramax V8 Turbo-Diesel (470 hp, 975 lb-ft)

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2024 GMC Sierra 3500 HD Double Cab Common Problems & Reliability Issues

Known mechanical quirks, transmission behaviors, and critical service checks.

✕Minor software glitches in the 13.4-inch infotainment touchscreen

✕Exhaust emissions equipment sensors on early Duramax builds

💡 Pre-Purchase Inspection Advice:Verify towing packages and axle ratios based on your specific trailer weight requirements. Check diesel exhaust fluid (DEF) system operation and ensure all factory recall updates have been performed.

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Frequently Asked Questions

Direct answers to common questions about 2024 GMC Sierra 3500 HD Double Cab fitment, towing, and maintenance.

What is the bolt pattern for a 2024 GMC Sierra 3500 HD Double Cab?

The bolt pattern is 8x210 mm, with a 116.7 mm center bore, M14 x 1.5 thread size, and a wheel torque specification of 140 lb-ft.

How much can a 2024 GMC Sierra 3500 HD Double Cab tow?

Depending on the configuration (Gas vs. Diesel, Single vs. Dual Rear Wheel, and axle ratio), it can conventionally tow up to 20,000 lbs and up to 36,000 lbs using a gooseneck or fifth-wheel setup.