INEOS Grenadier vs Mercedes-Benz GLS580
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 Mercedes-Benz GLS580
Overview
| Spec | INEOS GrenadierBase | Mercedes-Benz GLS580GLS 580 4MATIC |
|---|---|---|
| Selected trim | Base | GLS 580 4MATIC |
| Body style | SUV | SUV |
| Drivetrain | four wheel drive | all wheel drive |
| Fuel type | premium unleaded (recommended) | premium unleaded (required) |
| Transmission | 8-speed shiftable automatic | 9-speed shiftable automatic |
| Engine type | gas | mild hybrid |
| Model year | 2026 | 2026 |
Pricing & market
| Spec | INEOS GrenadierBase | Mercedes-Benz GLS580GLS 580 4MATIC |
|---|---|---|
| MSRP | $71,000 (best) | $116,150 |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | INEOS GrenadierBase | Mercedes-Benz GLS580GLS 580 4MATIC |
|---|---|---|
| Combined MPG | 15 MPG | 16 MPG (best) |
| City MPG | 15 MPG (best) | 14 MPG |
| Highway MPG | 15 MPG | 19 MPG (best) |
| Fuel tank | 23.7 gal | 23.8 gal (best) |
Performance
| Spec | INEOS GrenadierBase | Mercedes-Benz GLS580GLS 580 4MATIC |
|---|---|---|
| Horsepower | 282 hp | 510 hp (best) |
| Torque | 332 lb-ft | 538 lb-ft (best) |
| Engine size | 3 L | 4 L (best) |
| Cylinders | I6 | V8 |
Size & capability
| Spec | INEOS GrenadierBase | Mercedes-Benz GLS580GLS 580 4MATIC |
|---|---|---|
| Seating | 5 seats | 7 seats (best) |
| Doors | 4 | 4 |
| Cargo volume | 71.8 cu ft | 84.7 cu ft (best) |
| Towing capacity | 7,716 lbs (best) | 7,700 lbs |
| Payload | 1,889 lbs (best) | — |
| Curb weight | 5,827 lbs (best) | 5,842 lbs |
| Ground clearance | 10.4 in (best) | 7.9 in |
| Wheelbase | 115 in | 123.4 in (best) |
| Length | 191.2 in | 205.2 in (best) |
| Width | 76 in | 79.9 in (best) |
| Height | 80.7 in (best) | 71.8 in |
Safety & recalls
| Spec | INEOS GrenadierBase | Mercedes-Benz GLS580GLS 580 4MATIC |
|---|---|---|
| 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 | Mercedes-Benz GLS580 |
|---|---|---|
| 1 | Base $71,000 MSRP(Currently comparing) | GLS 580 4MATIC $116,150 MSRP(Currently comparing) |
| 2 | Fieldmaster $79,000 MSRP | — |
| 3 | Trialmaster $79,000 MSRP | — |
| 4 | Black Edition $82,995 MSRP | — |