Mercedes-Benz SL43 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 SL43 AMGAMG SL 43 | Porsche 718 SpyderSpyder RS |
|---|---|---|
| Selected trim | AMG SL 43 | Spyder RS |
| Body style | Convertible | Convertible |
| Drivetrain | rear wheel drive | rear wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 9-speed automatic | 7-speed automated manual |
| Engine type | mild hybrid | gas |
| Model year | 2027 | 2025 |
Pricing & market
| Spec | Mercedes-Benz SL43 AMGAMG SL 43 | Porsche 718 SpyderSpyder RS |
|---|---|---|
| MSRP | $0 (best) | $164,200 |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Mercedes-Benz SL43 AMGAMG SL 43 | Porsche 718 SpyderSpyder RS |
|---|---|---|
| Combined MPG | 22 MPG (best) | 16 MPG |
| City MPG | 19 MPG (best) | 14 MPG |
| Highway MPG | 27 MPG (best) | 19 MPG |
| Fuel tank | 19 gal (best) | 16.9 gal |
Performance
| Spec | Mercedes-Benz SL43 AMGAMG SL 43 | Porsche 718 SpyderSpyder RS |
|---|---|---|
| Horsepower | 416 hp | 493 hp (best) |
| Torque | 369 lb-ft (best) | 331 lb-ft |
| Engine size | 2 L | 4 L (best) |
| Cylinders | I4 | flat 6 |
Size & capability
| Spec | Mercedes-Benz SL43 AMGAMG SL 43 | Porsche 718 SpyderSpyder RS |
|---|---|---|
| Seating | 4 seats (best) | 2 seats |
| Doors | 2 | 2 |
| Cargo volume | — | 8.6 cu ft (best) |
| Payload | — | 655 lbs (best) |
| Curb weight | 3,825 lbs | 3,214 lbs (best) |
| Wheelbase | 106 in (best) | 97.7 in |
| Length | 185 in (best) | 173.9 in |
| Width | 75 in (best) | 71.7 in |
| Height | 54 in (best) | 49.3 in |
Safety & recalls
| Spec | Mercedes-Benz SL43 AMGAMG SL 43 | 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 SL43 AMG | Porsche 718 Spyder |
|---|---|---|
| 1 | AMG SL 43 $0 MSRP(Currently comparing) | Spyder RS $164,200 MSRP(Currently comparing) |
Mercedes-Benz SL43 AMG vs Porsche 718 Spyder FAQ
- Which is better: 2027 Mercedes-Benz SL43 AMG or 2025 Porsche 718 Spyder?
- It depends on priorities. OpenDealer compares 2027 Mercedes-Benz SL43 AMG vs 2025 Porsche 718 Spyder on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2027 Mercedes-Benz SL43 AMG or 2025 Porsche 718 Spyder?
- Based on starting MSRP, the 2027 Mercedes-Benz SL43 AMG starts lower at $0.
- Which has better startingMsrp: 2027 Mercedes-Benz SL43 AMG or 2025 Porsche 718 Spyder?
- The 2027 Mercedes-Benz SL43 AMG leads on startingMsrp in this comparison (0).
- Which has better combinedMpg: 2027 Mercedes-Benz SL43 AMG or 2025 Porsche 718 Spyder?
- The 2027 Mercedes-Benz SL43 AMG leads on combinedMpg in this comparison (22).
- Which has better horsepower: 2027 Mercedes-Benz SL43 AMG or 2025 Porsche 718 Spyder?
- The 2025 Porsche 718 Spyder leads on horsepower in this comparison (493).
- Which has better seats: 2027 Mercedes-Benz SL43 AMG or 2025 Porsche 718 Spyder?
- The 2027 Mercedes-Benz SL43 AMG leads on seats in this comparison (4).