Mercedes-Benz SL63 AMG vs Porsche 718 Spyder
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2025 Porsche 718 Spyder
Overview
| Spec | Mercedes-Benz SL63 AMGAMG SL 63 | Porsche 718 SpyderSpyder RS |
|---|---|---|
| Selected trim | AMG SL 63 | Spyder RS |
| Body style | Convertible | Convertible |
| Drivetrain | all wheel drive | rear wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 9-speed shiftable automatic | 7-speed automated manual |
| Engine type | gas | gas |
| Model year | 2026 | 2025 |
Pricing & market
| Spec | Mercedes-Benz SL63 AMGAMG SL 63 | Porsche 718 SpyderSpyder RS |
|---|---|---|
| MSRP | $187,850 | $164,200 (best) |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Mercedes-Benz SL63 AMGAMG SL 63 | Porsche 718 SpyderSpyder RS |
|---|---|---|
| Combined MPG | 16 MPG | 16 MPG |
| City MPG | 13 MPG | 14 MPG (best) |
| Highway MPG | 21 MPG (best) | 19 MPG |
| Fuel tank | 18.5 gal (best) | 16.9 gal |
Performance
| Spec | Mercedes-Benz SL63 AMGAMG SL 63 | Porsche 718 SpyderSpyder RS |
|---|---|---|
| Horsepower | 577 hp (best) | 493 hp |
| Torque | 590 lb-ft (best) | 331 lb-ft |
| Engine size | 4 L | 4 L |
| Cylinders | V8 | flat 6 |
Size & capability
| Spec | Mercedes-Benz SL63 AMGAMG SL 63 | Porsche 718 SpyderSpyder RS |
|---|---|---|
| Seating | 4 seats (best) | 2 seats |
| Doors | 2 | 2 |
| Cargo volume | 7.5 cu ft | 8.6 cu ft (best) |
| Payload | — | 655 lbs (best) |
| Curb weight | 4,321 lbs | 3,214 lbs (best) |
| Wheelbase | 106.3 in (best) | 97.7 in |
| Length | 185.2 in (best) | 173.9 in |
| Width | 75.4 in (best) | 71.7 in |
| Height | 53.5 in (best) | 49.3 in |
Safety & recalls
| Spec | Mercedes-Benz SL63 AMGAMG SL 63 | Porsche 718 SpyderSpyder RS |
|---|---|---|
| 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 SL63 AMG | Porsche 718 Spyder |
|---|---|---|
| 1 | AMG SL 63 $187,850 MSRP(Currently comparing) | Spyder RS $164,200 MSRP(Currently comparing) |