Audi S5 vs Porsche 718 Boxster
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2025 Porsche 718 Boxster
Overview
| Spec | Audi S5Premium | Porsche 718 Boxster718 Boxster Convertible |
|---|---|---|
| Selected trim | Premium | 718 Boxster Convertible |
| Body style | Hatchback | Convertible |
| Drivetrain | all wheel drive | rear wheel drive |
| Fuel type | premium unleaded (recommended) | premium unleaded (required) |
| Transmission | 7-speed automated manual | 7-speed automated manual |
| Engine type | gas | gas |
| Model year | 2026 | 2025 |
Pricing & market
| Spec | Audi S5Premium | Porsche 718 Boxster718 Boxster Convertible |
|---|---|---|
| MSRP | $63,300 (best) | $74,900 |
| Lowest listing price | — | $74,999 (best) |
| Median listing price | — | $74,999 (best) |
| Highest listing price | — | $74,999 (best) |
| For sale now | 0 | 1 (best) |
Fuel economy & range
| Spec | Audi S5Premium | Porsche 718 Boxster718 Boxster Convertible |
|---|---|---|
| Combined MPG | 23 MPG | 24 MPG (best) |
| City MPG | 20 MPG | 21 MPG (best) |
| Highway MPG | 29 MPG (best) | 27 MPG |
| Fuel tank | 14.8 gal (best) | 14.3 gal |
Performance
| Spec | Audi S5Premium | Porsche 718 Boxster718 Boxster Convertible |
|---|---|---|
| Horsepower | 362 hp (best) | 300 hp |
| Torque | 406 lb-ft (best) | 280 lb-ft |
| Engine size | 3 L (best) | 2 L |
| Cylinders | V6 | flat 4 |
Size & capability
| Spec | Audi S5Premium | Porsche 718 Boxster718 Boxster Convertible |
|---|---|---|
| Seating | 5 seats (best) | 2 seats |
| Doors | 4 (best) | 2 |
| Cargo volume | 37.5 cu ft (best) | 9.7 cu ft |
| Payload | 992 lbs (best) | 617 lbs |
| Curb weight | 4,288 lbs | 3,097 lbs (best) |
| Wheelbase | 114 in (best) | 97.4 in |
| Length | 190.3 in (best) | 172.4 in |
| Width | 73.2 in (best) | 70.9 in |
| Height | 56.5 in (best) | 50.4 in |
Safety & recalls
| Spec | Audi S5Premium | Porsche 718 Boxster718 Boxster Convertible |
|---|---|---|
| NHTSA overall | Not Rated | — |
| Frontal crash (driver) | Not Rated | — |
| Frontal crash (passenger) | Not Rated | — |
| Side crash (driver) | Not Rated | — |
| Side crash (passenger) | Not Rated | — |
| Side pole | Not Rated | — |
| Rollover | Not Rated | — |
| 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 | Audi S5 | Porsche 718 Boxster |
|---|---|---|
| 1 | Premium $63,300 MSRP(Currently comparing) | 718 Boxster Convertible $74,900 MSRP(Currently comparing) |
| 2 | Premium Plus $66,200 MSRP | Style Edition $81,300 MSRP |
| 3 | Prestige $70,900 MSRP | S $86,900 MSRP |
| 4 | — | GTS 4.0 $101,800 MSRP |