GMC Sierra 3500 HD vs INEOS Grenadier Quartermaster
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 INEOS Grenadier Quartermaster
Overview
| Spec | GMC Sierra 3500 HDPro | INEOS Grenadier QuartermasterFieldmaster |
|---|---|---|
| Selected trim | Pro | Fieldmaster |
| Body style | Truck (Regular Cab) | Truck (Crew Cab) |
| Drivetrain | rear wheel drive | four wheel drive |
| Fuel type | regular unleaded | premium unleaded (recommended) |
| Transmission | 10-speed shiftable automatic | 8-speed shiftable automatic |
| Engine type | gas | gas |
| Model year | 2026 | 2026 |
Pricing & market
| Spec | GMC Sierra 3500 HDPro | INEOS Grenadier QuartermasterFieldmaster |
|---|---|---|
| MSRP | $47,900 (best) | $84,400 |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | GMC Sierra 3500 HDPro | INEOS Grenadier QuartermasterFieldmaster |
|---|---|---|
| Combined MPG | — | 14 MPG (best) |
| City MPG | — | 14 MPG (best) |
| Highway MPG | — | 14 MPG (best) |
| Fuel tank | 36 gal (best) | 23.7 gal |
Performance
| Spec | GMC Sierra 3500 HDPro | INEOS Grenadier QuartermasterFieldmaster |
|---|---|---|
| Horsepower | 401 hp (best) | 282 hp |
| Torque | 464 lb-ft (best) | 332 lb-ft |
| Engine size | 6.6 L (best) | 3 L |
| Cylinders | V8 | I6 |
Size & capability
| Spec | GMC Sierra 3500 HDPro | INEOS Grenadier QuartermasterFieldmaster |
|---|---|---|
| Seating | 3 seats | 5 seats (best) |
| Doors | 2 | 4 (best) |
| Towing capacity | 14,500 lbs (best) | 7,716 lbs |
| Payload | 4,583 lbs (best) | 1,841 lbs |
| Curb weight | 6,329 lbs | 5,875 lbs (best) |
| Ground clearance | 11.2 in (best) | — |
| Wheelbase | 142 in (best) | 127 in |
| Length | 236.3 in (best) | 212.6 in |
| Width | 81.9 in (best) | 76.5 in |
| Height | 80.9 in (best) | 79.5 in |
Safety & recalls
| Spec | GMC Sierra 3500 HDPro | INEOS Grenadier QuartermasterFieldmaster |
|---|---|---|
| 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 | INEOS Grenadier Quartermaster |
|---|---|---|
| 1 | Pro $47,900 MSRP(Currently comparing) | Fieldmaster $84,400 MSRP(Currently comparing) |
| 2 | Pro $49,300 MSRP | Trialmaster $84,400 MSRP |
| 3 | Pro $50,000 MSRP | Black Edition $88,395 MSRP |
| 4 | Pro $51,400 MSRP | — |
| 5 | Pro $51,600 MSRP | — |
| 6 | Pro $51,800 MSRP | — |
| 7 | Pro $53,200 MSRP | — |
| 8 | Pro $50,700 MSRP | — |
| 9 | Pro $52,100 MSRP | — |
| 10 | Pro $52,800 MSRP | — |
| 11 | Pro $54,200 MSRP | — |
| 12 | Pro $54,400 MSRP | — |
| 13 | Pro $54,600 MSRP | — |
| 14 | Pro $56,000 MSRP | — |
| 15 | SLE $54,700 MSRP | — |
| 16 | SLE $56,200 MSRP | — |
| 17 | SLE $57,000 MSRP | — |
| 18 | SLE $58,400 MSRP | — |
| 19 | SLE $58,600 MSRP | — |
| 20 | SLE $58,800 MSRP | — |
| 21 | SLE $60,100 MSRP | — |
| 22 | SLT $65,900 MSRP | — |
| 23 | SLT $66,100 MSRP | — |
| 24 | SLT $67,500 MSRP | — |
| 25 | AT4 $72,800 MSRP | — |
| 26 | AT4 $73,000 MSRP | — |
| 27 | Denali $76,100 MSRP | — |
| 28 | Denali $76,300 MSRP | — |
| 29 | Denali $79,100 MSRP | — |
| 30 | Denali Ultimate $97,200 MSRP | — |
| 31 | Denali Ultimate $97,400 MSRP | — |
| 32 | Denali Ultimate $101,300 MSRP | — |