INEOS Grenadier Quartermaster vs Rivian R1T
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 Rivian R1T
Overview
| Spec | INEOS Grenadier QuartermasterFieldmaster | Rivian R1TDual Standard |
|---|---|---|
| Selected trim | Fieldmaster | Dual Standard |
| Body style | Truck (Crew Cab) | Truck (Crew Cab) |
| Drivetrain | four wheel drive | all wheel drive |
| Fuel type | premium unleaded (recommended) | electric |
| Transmission | 8-speed shiftable automatic | 1-speed direct drive |
| Engine type | gas | electric |
| Model year | 2026 | 2026 |
Pricing & market
| Spec | INEOS Grenadier QuartermasterFieldmaster | Rivian R1TDual Standard |
|---|---|---|
| MSRP | $84,400 | $70,990 (best) |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | INEOS Grenadier QuartermasterFieldmaster | Rivian R1TDual Standard |
|---|---|---|
| Combined MPG | 14 MPG (best) | — |
| City MPG | 14 MPG (best) | — |
| Highway MPG | 14 MPG (best) | — |
| Combined MPGe | — | 79 MPGe (best) |
| Electric range | — | 258 mi (best) |
| Battery capacity | — | 106 kWh (best) |
| 240V charge time | — | 9.5 hr (best) |
| Fuel tank | 23.7 gal (best) | — |
Performance
| Spec | INEOS Grenadier QuartermasterFieldmaster | Rivian R1TDual Standard |
|---|---|---|
| Horsepower | 282 hp | 533 hp (best) |
| Torque | 332 lb-ft | 610 lb-ft (best) |
| Engine size | 3 L (best) | — |
| Cylinders | I6 | — |
Size & capability
| Spec | INEOS Grenadier QuartermasterFieldmaster | Rivian R1TDual Standard |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | — | 21.6 cu ft (best) |
| Towing capacity | 7,716 lbs (best) | 7,700 lbs |
| Payload | 1,841 lbs | 1,984 lbs (best) |
| Curb weight | 5,875 lbs (best) | — |
| Wheelbase | 127 in | 135.8 in (best) |
| Length | 212.6 in | 217.1 in (best) |
| Width | 76.5 in | 82 in (best) |
| Height | 79.5 in (best) | 78.2 in |
Safety & recalls
| Spec | INEOS Grenadier QuartermasterFieldmaster | Rivian R1TDual Standard |
|---|---|---|
| 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 | INEOS Grenadier Quartermaster | Rivian R1T |
|---|---|---|
| 1 | Fieldmaster $84,400 MSRP(Currently comparing) | Dual Standard $70,990 MSRP(Currently comparing) |
| 2 | Trialmaster $84,400 MSRP | Dual $77,990 MSRP |
| 3 | Black Edition $88,395 MSRP | Dual $84,990 MSRP |
| 4 | — | Tri $100,990 MSRP |
| 5 | — | Quad $115,990 MSRP |
| 6 | — | Quad Launch Edition $119,990 MSRP |