Audi A5 vs Mercedes-Benz SLK250
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2015 Mercedes-Benz SLK250
Overview
| Spec | Audi A5Premium | Mercedes-Benz SLK250SLK 250 |
|---|---|---|
| Selected trim | Premium | SLK 250 |
| Body style | Hatchback | Convertible |
| Drivetrain | all wheel drive | rear wheel drive |
| Fuel type | premium unleaded (recommended) | premium unleaded (required) |
| Transmission | 7-speed automated manual | 6-speed manual |
| Engine type | gas | gas |
| Model year | 2026 | 2015 |
Pricing & market
| Spec | Audi A5Premium | Mercedes-Benz SLK250SLK 250 |
|---|---|---|
| MSRP | $50,200 | $43,950 (best) |
| Lowest listing price | $11,550 (best) | — |
| Median listing price | $56,238 (best) | — |
| Highest listing price | $63,088 (best) | — |
| For sale now | 59 (best) | 0 |
Fuel economy & range
| Spec | Audi A5Premium | Mercedes-Benz SLK250SLK 250 |
|---|---|---|
| Combined MPG | 26 MPG | 26 MPG |
| City MPG | 22 MPG | 22 MPG |
| Highway MPG | 32 MPG | 32 MPG |
| Fuel tank | 14.8 gal | 18.5 gal (best) |
Performance
| Spec | Audi A5Premium | Mercedes-Benz SLK250SLK 250 |
|---|---|---|
| Horsepower | 268 hp (best) | 201 hp |
| Torque | 295 lb-ft (best) | 229 lb-ft |
| Engine size | 2 L (best) | 1.8 L |
| Cylinders | I4 | I4 |
Size & capability
| Spec | Audi A5Premium | Mercedes-Benz SLK250SLK 250 |
|---|---|---|
| Seating | 5 seats (best) | 2 seats |
| Doors | 4 (best) | 2 |
| Cargo volume | 36.6 cu ft (best) | 10.1 cu ft |
| Payload | 992 lbs (best) | — |
| Curb weight | 4,090 lbs | 3,241 lbs (best) |
| Wheelbase | 113.8 in (best) | 95.7 in |
| Length | 190.1 in (best) | 162.8 in |
| Width | 73.2 in (best) | 71.5 in |
| Height | 57 in (best) | 51.2 in |
Safety & recalls
| Spec | Audi A5Premium | Mercedes-Benz SLK250SLK 250 |
|---|---|---|
| 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 (best) | 2 |
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 A5 | Mercedes-Benz SLK250 |
|---|---|---|
| 1 | Premium $50,200 MSRP(Currently comparing) | SLK 250 $43,950 MSRP(Currently comparing) |
| 2 | Premium Plus $52,700 MSRP | — |
| 3 | Prestige $56,700 MSRP | — |
Live inventory
Audi A559 for sale
See all
Used2012 Audi A5
2.0T Premium Plus
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Certified2025 Audi A5
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Chronos Gray Metallic•black3,515 mi$42,295Audi West Chester
West Chester, PA
Certified2025 Audi A5
2.0T Premium
Firmament Blue Metallic•Muscat Brown3,528 mi$39,495Audi West Chester
West Chester, PA
- New
2026 Audi A5
Glacier White Metallic•Black13 mi$57,165Audi West Chester
West Chester, PA
New2026 Audi A5
Premium
Mythos Black Metallic•Pearl Beige12 mi$56,638Jack Hanania Audi Jacksonville
Jacksonville, FL
New2026 Audi A5
Premium Plus
Mythos Black Metallic•Black14 mi$57,238Jack Hanania Audi Jacksonville
Jacksonville, FL
Audi A5 vs Mercedes-Benz SLK250 FAQ
- Which is better: 2026 Audi A5 or 2015 Mercedes-Benz SLK250?
- It depends on priorities. OpenDealer compares 2026 Audi A5 vs 2015 Mercedes-Benz SLK250 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 A5 or 2015 Mercedes-Benz SLK250?
- Based on starting MSRP, the 2015 Mercedes-Benz SLK250 starts lower at $43,950. Live Audi A5 listings start at $11,550.
- Which has better startingMsrp: 2026 Audi A5 or 2015 Mercedes-Benz SLK250?
- The 2015 Mercedes-Benz SLK250 leads on startingMsrp in this comparison (43,950).
- Which has better horsepower: 2026 Audi A5 or 2015 Mercedes-Benz SLK250?
- The 2026 Audi A5 leads on horsepower in this comparison (268).
- Which has better seats: 2026 Audi A5 or 2015 Mercedes-Benz SLK250?
- The 2026 Audi A5 leads on seats in this comparison (5).
- How do the NHTSA safety ratings compare for 2026 Audi A5 vs 2015 Mercedes-Benz SLK250?
- NHTSA overall crash-test ratings in this comparison: Audi A5 (Not Rated/5 NHTSA overall).