Audi RS5 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 RS5RS 5 Coupe | Porsche 718 Cayman718 Cayman Coupe |
|---|---|---|
| Selected trim | RS 5 Coupe | 718 Cayman Coupe |
| Body style | Coupe | Coupe |
| Drivetrain | all wheel drive | rear wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 8-speed shiftable automatic | 7-speed automated manual |
| Engine type | gas | gas |
| Model year | 2024 | 2025 |
Pricing & market
| Spec | Audi RS5RS 5 Coupe | Porsche 718 Cayman718 Cayman Coupe |
|---|---|---|
| MSRP | $79,600 | $72,800 (best) |
| Lowest listing price | — | $54,739 (best) |
| Median listing price | — | $114,999 (best) |
| Highest listing price | — | $189,900 (best) |
| For sale now | 0 | 3 (best) |
Fuel economy & range
| Spec | Audi RS5RS 5 Coupe | Porsche 718 Cayman718 Cayman Coupe |
|---|---|---|
| Combined MPG | 21 MPG | 24 MPG (best) |
| City MPG | 18 MPG | 21 MPG (best) |
| Highway MPG | 25 MPG | 27 MPG (best) |
| Fuel tank | 15.3 gal (best) | 14.2 gal |
Performance
| Spec | Audi RS5RS 5 Coupe | Porsche 718 Cayman718 Cayman Coupe |
|---|---|---|
| Horsepower | 444 hp (best) | 300 hp |
| Torque | 442 lb-ft (best) | 280 lb-ft |
| Engine size | 2.9 L (best) | 2 L |
| Cylinders | V6 | flat 4 |
Size & capability
| Spec | Audi RS5RS 5 Coupe | Porsche 718 Cayman718 Cayman Coupe |
|---|---|---|
| Seating | 4 seats (best) | 2 seats |
| Doors | 2 | 2 |
| Cargo volume | 10.9 cu ft | 15 cu ft (best) |
| Payload | 838 lbs (best) | 611 lbs |
| Curb weight | 3,990 lbs | 3,104 lbs (best) |
| Wheelbase | 108.9 in (best) | 97.4 in |
| Length | 185.9 in (best) | 172.4 in |
| Width | 73.5 in (best) | 70.9 in |
| Height | 54 in (best) | 51 in |
Safety & recalls
| Spec | Audi RS5RS 5 Coupe | Porsche 718 Cayman718 Cayman Coupe |
|---|---|---|
| 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 RS5 | Porsche 718 Cayman |
|---|---|---|
| 1 | RS 5 Coupe $79,600 MSRP(Currently comparing) | 718 Cayman Coupe $72,800 MSRP(Currently comparing) |
| 2 | — | Style Edition $79,200 MSRP |
| 3 | — | S $84,800 MSRP |
| 4 | — | GTS 4.0 $99,700 MSRP |
| 5 | — | GT4 RS $164,200 MSRP |
Live inventory
Porsche 718 Cayman3 for sale
See all
Used2017 Porsche 718 Cayman
S
bodyseating48,960 mi$54,739Lake City Chrysler Dodge Jeep Ram
Lake City, FL
Certified2024 Porsche 718 Cayman
GTS
Guards Red•Black6,437 mi$114,999Porsche Cary
Cary, NC
Used2025 Porsche 718 Cayman
GT4 RS
Shark Blue•Black2,075 mi$189,900Mercedes-Benz of St. Petersburg
Pinellas Park, FL
Audi RS5 vs Porsche 718 Cayman FAQ
- Which is better: 2024 Audi RS5 or 2025 Porsche 718 Cayman?
- It depends on priorities. OpenDealer compares 2024 Audi RS5 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: 2024 Audi RS5 or 2025 Porsche 718 Cayman?
- Based on starting MSRP, the 2025 Porsche 718 Cayman starts lower at $72,800. Live Porsche 718 Cayman listings start at $54,739.
- Which has better startingMsrp: 2024 Audi RS5 or 2025 Porsche 718 Cayman?
- The 2025 Porsche 718 Cayman leads on startingMsrp in this comparison (72,800).
- Which has better combinedMpg: 2024 Audi RS5 or 2025 Porsche 718 Cayman?
- The 2025 Porsche 718 Cayman leads on combinedMpg in this comparison (24).
- Which has better horsepower: 2024 Audi RS5 or 2025 Porsche 718 Cayman?
- The 2025 Porsche 718 Cayman leads on horsepower in this comparison (493).
- Which has better seats: 2024 Audi RS5 or 2025 Porsche 718 Cayman?
- The 2024 Audi RS5 leads on seats in this comparison (4).