Mercedes-Benz G550 vs Mercedes-Benz GLS63 AMG
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 Mercedes-Benz GLS63 AMG
Overview
| Spec | Mercedes-Benz G550G 550 | Mercedes-Benz GLS63 AMGAMG GLS 63 |
|---|---|---|
| Selected trim | G 550 | AMG GLS 63 |
| Body style | SUV | SUV |
| Drivetrain | four wheel drive | all wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 9-speed shiftable automatic | 9-speed shiftable automatic |
| Engine type | mild hybrid | mild hybrid |
| Model year | 2026 | 2026 |
Pricing & market
| Spec | Mercedes-Benz G550G 550 | Mercedes-Benz GLS63 AMGAMG GLS 63 |
|---|---|---|
| MSRP | $153,900 | $151,050 (best) |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Mercedes-Benz G550G 550 | Mercedes-Benz GLS63 AMGAMG GLS 63 |
|---|---|---|
| Combined MPG | 18 MPG (best) | 15 MPG |
| City MPG | 17 MPG (best) | 14 MPG |
| Highway MPG | 19 MPG (best) | 18 MPG |
| Fuel tank | 26.4 gal (best) | 23.8 gal |
Performance
| Spec | Mercedes-Benz G550G 550 | Mercedes-Benz GLS63 AMGAMG GLS 63 |
|---|---|---|
| Horsepower | 443 hp | 603 hp (best) |
| Torque | 413 lb-ft | 627 lb-ft (best) |
| Engine size | 3 L | 4 L (best) |
| Cylinders | I6 | V8 |
Size & capability
| Spec | Mercedes-Benz G550G 550 | Mercedes-Benz GLS63 AMGAMG GLS 63 |
|---|---|---|
| Seating | 5 seats | 7 seats (best) |
| Doors | 4 | 4 |
| Cargo volume | 34.8 cu ft | 84.7 cu ft (best) |
| Towing capacity | 7,000 lbs | 7,700 lbs (best) |
| Curb weight | 5,534 lbs (best) | 6,118 lbs |
| Ground clearance | 9.5 in (best) | — |
| Wheelbase | 113.8 in | 123.4 in (best) |
| Length | 190 in | 206.4 in (best) |
| Width | 76 in | 79.9 in (best) |
| Height | 77.7 in (best) | 70.2 in |
Safety & recalls
| Spec | Mercedes-Benz G550G 550 | Mercedes-Benz GLS63 AMGAMG GLS 63 |
|---|---|---|
| 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 | Mercedes-Benz G550 | Mercedes-Benz GLS63 AMG |
|---|---|---|
| 1 | G 550 $153,900 MSRP(Currently comparing) | AMG GLS 63 $151,050 MSRP(Currently comparing) |