Audi S5 vs Porsche 718 Cayman
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2025 Porsche 718 Cayman
Overview
| Spec | Audi S5Premium | Porsche 718 Cayman718 Cayman Coupe |
|---|---|---|
| Selected trim | Premium | 718 Cayman Coupe |
| Body style | Hatchback | Coupe |
| 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 Cayman718 Cayman Coupe |
|---|---|---|
| MSRP | $63,300 (best) | $72,800 |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Audi S5Premium | Porsche 718 Cayman718 Cayman Coupe |
|---|---|---|
| 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) | 14.2 gal |
Performance
| Spec | Audi S5Premium | Porsche 718 Cayman718 Cayman Coupe |
|---|---|---|
| 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 Cayman718 Cayman Coupe |
|---|---|---|
| Seating | 5 seats (best) | 2 seats |
| Doors | 4 (best) | 2 |
| Cargo volume | 37.5 cu ft (best) | 15 cu ft |
| Payload | 992 lbs (best) | 611 lbs |
| Curb weight | 4,288 lbs | 3,104 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) | 51 in |
Safety & recalls
| Spec | Audi S5Premium | Porsche 718 Cayman718 Cayman Coupe |
|---|---|---|
| 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 Cayman |
|---|---|---|
| 1 | Premium $63,300 MSRP(Currently comparing) | 718 Cayman Coupe $72,800 MSRP(Currently comparing) |
| 2 | Premium Plus $66,200 MSRP | Style Edition $79,200 MSRP |
| 3 | Prestige $70,900 MSRP | S $84,800 MSRP |
| 4 | — | GTS 4.0 $99,700 MSRP |
| 5 | — | GT4 RS $164,200 MSRP |
Audi S5 vs Porsche 718 Cayman FAQ
- Which is better: 2026 Audi S5 or 2025 Porsche 718 Cayman?
- It depends on priorities. OpenDealer compares 2026 Audi S5 vs 2025 Porsche 718 Cayman on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2026 Audi S5 or 2025 Porsche 718 Cayman?
- Based on starting MSRP, the 2026 Audi S5 starts lower at $63,300.
- Which has better startingMsrp: 2026 Audi S5 or 2025 Porsche 718 Cayman?
- The 2026 Audi S5 leads on startingMsrp in this comparison (63,300).
- Which has better combinedMpg: 2026 Audi S5 or 2025 Porsche 718 Cayman?
- The 2025 Porsche 718 Cayman leads on combinedMpg in this comparison (24).
- Which has better horsepower: 2026 Audi S5 or 2025 Porsche 718 Cayman?
- The 2025 Porsche 718 Cayman leads on horsepower in this comparison (493).
- Which has better seats: 2026 Audi S5 or 2025 Porsche 718 Cayman?
- The 2026 Audi S5 leads on seats in this comparison (5).
- How do the NHTSA safety ratings compare for 2026 Audi S5 vs 2025 Porsche 718 Cayman?
- NHTSA overall crash-test ratings in this comparison: Audi S5 (Not Rated/5 NHTSA overall).