TruckK2/T1 (Facelift)
2024 GMC Sierra 3500 HD Crew Cab
Wheel Specs, Bolt Pattern, Towing & Reliability Guide
Max TowingUp to 36,000 lbs (with gooseneck/fifth-wheel)
Curb Weight7,184 - 8,421 lbs
Bolt Pattern (PCD)8x210 mm
Lug Nut Torque140 lb-ft (190 Nm)
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2024 GMC Sierra 3500 HD Crew Cab Towing & Tongue Weight Limits
Official ratings for towing travel trailers, campers, boats, and payload cargo.
Max Tow CapacityUp to 36,000 lbs (with gooseneck/fifth-wheel)
Max Payload CapacityUp to 7,290 lbs
Max Tongue WeightUp to 2,000 lbs (conventional trailer)
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2024 GMC Sierra 3500 HD Crew 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 / Denali Ultimate | 20x8.5 ET55 | LT275/65R20 |
Max Tire Size on Stock Suspension (Rubbing Clearance)
Stock Flush
Recommended Wheel20x9.0 ET20
Recommended Tire35x12.50R20
🔍 Requires minor leveling kit for 35-inch tires without rubbing.
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Powertrain, Ground Clearance & Fuel Economy
Ground Clearance10.1 inches
Fuel Economy / RangeNot rated by EPA for heavy-duty class
Engine Options6.6L V8 Gas (401 hp, 464 lb-ft) and 6.6L Duramax V8 Turbo-Diesel (470 hp, 975 lb-ft)
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2024 GMC Sierra 3500 HD Crew Cab Common Problems & Reliability Issues
Known mechanical quirks, transmission behaviors, and critical service checks.
✕DPF and emissions system issues on heavy idle Duramax models
✕Minor software glitches in the 13.4-inch infotainment touchscreen
✕Tailgate multi-pro electrical actuator sensitivity in heavy winter road salt conditions
💡 Pre-Purchase Inspection Advice:Check engine hours on diesel models, inspect gooseneck/fifth-wheel hitch areas for excessive wear, and verify all recall work on transmission control modules has been completed.
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Frequently Asked Questions
Direct answers to common questions about 2024 GMC Sierra 3500 HD Crew Cab fitment, towing, and maintenance.
What is the bolt pattern for a 2024 GMC Sierra 3500 HD Crew Cab?
The bolt pattern is 8x210 mm with a 116.7 mm center bore and M14 x 1.5 thread size. Lug nuts should be torqued to 140 lb-ft.
How much can a 2024 GMC Sierra 3500 HD Crew Cab tow?
When properly equipped with the 6.6L Duramax Diesel and dual-rear-wheel (DRW) configuration, the maximum towing capacity reaches up to 36,000 lbs.