GMC Sierra 3500 HD vs Ram 3500
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2027 Ram 3500
Overview
| Spec | GMC Sierra 3500 HDPro | Ram 3500Tradesman |
|---|---|---|
| Selected trim | Pro | Tradesman |
| Body style | Truck (Regular Cab) | Truck (Regular Cab) |
| Drivetrain | rear wheel drive | rear wheel drive |
| Fuel type | regular unleaded | regular unleaded |
| Transmission | 10-speed shiftable automatic | 8-speed automatic |
| Engine type | gas | gas |
| Model year | 2026 | 2027 |
Pricing & market
| Spec | GMC Sierra 3500 HDPro | Ram 3500Tradesman |
|---|---|---|
| MSRP | $47,900 (best) | $49,340 |
| Lowest listing price | $88,775 | $66,702 (best) |
| Median listing price | $88,775 | $72,663 (best) |
| Highest listing price | $88,775 | $81,233 (best) |
| For sale now | 1 | 6 (best) |
Fuel economy & range
| Spec | GMC Sierra 3500 HDPro | Ram 3500Tradesman |
|---|---|---|
| Fuel tank | 36 gal (best) | 32 gal |
Performance
| Spec | GMC Sierra 3500 HDPro | Ram 3500Tradesman |
|---|---|---|
| Horsepower | 401 hp | 405 hp (best) |
| Torque | 464 lb-ft (best) | 429 lb-ft |
| Engine size | 6.6 L (best) | 6.4 L |
| Cylinders | V8 | V8 |
Size & capability
| Spec | GMC Sierra 3500 HDPro | Ram 3500Tradesman |
|---|---|---|
| Seating | 3 seats | 3 seats |
| Doors | 2 | 2 |
| Towing capacity | 14,500 lbs | 15,490 lbs (best) |
| Payload | 4,583 lbs | 4,969 lbs (best) |
| Curb weight | 6,329 lbs | 6,071 lbs (best) |
| Ground clearance | 11.2 in (best) | 7 in |
| Wheelbase | 142 in (best) | 140 in |
| Length | 236.3 in (best) | 232 in |
| Width | 81.9 in (best) | 79 in |
| Height | 80.9 in (best) | 78 in |
Safety & recalls
| Spec | GMC Sierra 3500 HDPro | Ram 3500Tradesman |
|---|---|---|
| Open recalls (YMM scope) | None reported | None reported |
Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.
Trim overview
All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.
| Trim | GMC Sierra 3500 HD | Ram 3500 |
|---|---|---|
| 1 | Pro $47,900 MSRP(Currently comparing) | Tradesman $49,340 MSRP(Currently comparing) |
| 2 | Pro $49,300 MSRP | Tradesman $52,960 MSRP |
| 3 | Pro $50,000 MSRP | Tradesman $53,160 MSRP |
| 4 | Pro $51,400 MSRP | Tradesman $52,270 MSRP |
| 5 | Pro $51,600 MSRP | Tradesman $55,890 MSRP |
| 6 | Pro $51,800 MSRP | Tradesman $56,090 MSRP |
| 7 | Pro $53,200 MSRP | Big Horn $53,090 MSRP |
| 8 | Pro $50,700 MSRP | Big Horn $56,710 MSRP |
| 9 | Pro $52,100 MSRP | Big Horn $56,910 MSRP |
| 10 | Pro $52,800 MSRP | Big Horn $56,020 MSRP |
| 11 | Pro $54,200 MSRP | Big Horn $59,640 MSRP |
| 12 | Pro $54,400 MSRP | Big Horn $59,840 MSRP |
| 13 | Pro $54,600 MSRP | Lone Star $53,090 MSRP |
| 14 | Pro $56,000 MSRP | Lone Star $56,710 MSRP |
| 15 | SLE $54,700 MSRP | Lone Star $56,910 MSRP |
| 16 | SLE $56,200 MSRP | Lone Star $56,020 MSRP |
| 17 | SLE $57,000 MSRP | Lone Star $59,640 MSRP |
| 18 | SLE $58,400 MSRP | Lone Star $59,840 MSRP |
| 19 | SLE $58,600 MSRP | Laramie $64,795 MSRP |
| 20 | SLE $58,800 MSRP | Laramie $64,995 MSRP |
| 21 | SLE $60,100 MSRP | Laramie $67,725 MSRP |
| 22 | SLT $65,900 MSRP | Laramie $67,925 MSRP |
| 23 | SLT $66,100 MSRP | Laramie $81,735 MSRP |
| 24 | SLT $67,500 MSRP | Limited $76,805 MSRP |
| 25 | AT4 $72,800 MSRP | Limited $77,095 MSRP |
| 26 | AT4 $73,000 MSRP | Limited $79,735 MSRP |
| 27 | Denali $76,100 MSRP | Limited $80,025 MSRP |
| 28 | Denali $76,300 MSRP | Limited $94,035 MSRP |
| 29 | Denali $79,100 MSRP | Longhorn $76,805 MSRP |
| 30 | Denali Ultimate $97,200 MSRP | Longhorn $77,095 MSRP |
| 31 | Denali Ultimate $97,400 MSRP | Longhorn $79,735 MSRP |
| 32 | Denali Ultimate $101,300 MSRP | Longhorn $80,025 MSRP |
| 33 | — | Longhorn $94,035 MSRP |
Live inventory
GMC Sierra 3500 HD1 for sale
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Ram 35006 for sale
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New2026 RAM 3500
Tradesman Crew Cab 4x4 8' Box
Bright White Clear-Coat Exterior Paint•Black Interior Color1 mi$66,702MSRP $78,290Big O Dodge Chrysler Jeep RAM
Greenville, SC
New2026 RAM 3500
Laramie Crew Cab 4x4 8' Box
Diamond Black Crystal Pearl-Coat Exterior Paint•Black Interior Color1 mi$81,233MSRP $95,280Big O Dodge Chrysler Jeep RAM
Greenville, SC
New2026 RAM 3500
Laramie Crew Cab 4x4 8' Box
Bright White Clear-Coat Exterior Paint•Black Interior Color1 mi$80,976MSRP $94,985Big O Dodge Chrysler Jeep RAM
Greenville, SC
New2027 RAM 3500
Tradesman
Granite Crystal Metallic Clear-Coat Exterior Paint•Black Interior Color1 mi$72,445MSRP $78,870Big O Dodge Chrysler Jeep RAM
Greenville, SC
New2026 RAM 3500
Big Horn Crew Cab 4x4 8' Box
Forged Blue Metallic Exterior Paint•Black Interior Color1 mi$72,881MSRP $83,615Big O Dodge Chrysler Jeep RAM
Greenville, SC
New2026 RAM 3500
Big Horn Crew Cab 4x4 8' Box
Bright White Clear-Coat Exterior Paint•Black Interior Color1 mi$68,294MSRP $79,700Big O Dodge Chrysler Jeep RAM
Greenville, SC
GMC Sierra 3500 HD vs Ram 3500 FAQ
- Which is better: 2026 GMC Sierra 3500 HD or 2027 Ram 3500?
- It depends on priorities. OpenDealer compares 2026 GMC Sierra 3500 HD vs 2027 Ram 3500 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2026 GMC Sierra 3500 HD or 2027 Ram 3500?
- Based on starting MSRP, the 2026 GMC Sierra 3500 HD starts lower at $47,900. Live GMC Sierra 3500 HD listings start at $88,775. Live Ram 3500 listings start at $66,702.
- Which has better startingMsrp: 2026 GMC Sierra 3500 HD or 2027 Ram 3500?
- The 2026 GMC Sierra 3500 HD leads on startingMsrp in this comparison (47,900).
- Which has better horsepower: 2026 GMC Sierra 3500 HD or 2027 Ram 3500?
- The 2026 GMC Sierra 3500 HD leads on horsepower in this comparison (470).
- Which has better maxTowingLbs: 2026 GMC Sierra 3500 HD or 2027 Ram 3500?
- The 2027 Ram 3500 leads on maxTowingLbs in this comparison (24,080).