Lexus IS350 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 | Lexus IS350350 F SPORT Design | Mercedes-Benz SLK250SLK 250 |
|---|---|---|
| Selected trim | 350 F SPORT Design | SLK 250 |
| Body style | Sedan | Convertible |
| Drivetrain | rear wheel drive | rear wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 8-speed shiftable automatic | 6-speed manual |
| Engine type | gas | gas |
| Model year | 2026 | 2015 |
Pricing & market
| Spec | Lexus IS350350 F SPORT Design | Mercedes-Benz SLK250SLK 250 |
|---|---|---|
| MSRP | $45,500 | $43,950 (best) |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Lexus IS350350 F SPORT Design | Mercedes-Benz SLK250SLK 250 |
|---|---|---|
| Combined MPG | 23 MPG | 26 MPG (best) |
| City MPG | 20 MPG | 22 MPG (best) |
| Highway MPG | 28 MPG | 32 MPG (best) |
| Fuel tank | 17.4 gal | 18.5 gal (best) |
Performance
| Spec | Lexus IS350350 F SPORT Design | Mercedes-Benz SLK250SLK 250 |
|---|---|---|
| Horsepower | 311 hp (best) | 201 hp |
| Torque | 280 lb-ft (best) | 229 lb-ft |
| Engine size | 3.5 L (best) | 1.8 L |
| Cylinders | V6 | I4 |
Size & capability
| Spec | Lexus IS350350 F SPORT Design | Mercedes-Benz SLK250SLK 250 |
|---|---|---|
| Seating | 5 seats (best) | 2 seats |
| Doors | 4 (best) | 2 |
| Cargo volume | 10.8 cu ft (best) | 10.1 cu ft |
| Curb weight | 3,792 lbs | 3,241 lbs (best) |
| Wheelbase | 110.2 in (best) | 95.7 in |
| Length | 185.8 in (best) | 162.8 in |
| Width | 72.4 in (best) | 71.5 in |
| Height | 56.5 in (best) | 51.2 in |
Safety & recalls
| Spec | Lexus IS350350 F SPORT Design | Mercedes-Benz SLK250SLK 250 |
|---|---|---|
| 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 | Lexus IS350 | Mercedes-Benz SLK250 |
|---|---|---|
| 1 | 350 F SPORT Design $45,500 MSRP(Currently comparing) | SLK 250 $43,950 MSRP(Currently comparing) |
| 2 | 350 F SPORT Design $47,500 MSRP | — |
| 3 | 350 F SPORT $47,950 MSRP | — |
| 4 | 350 F SPORT $49,950 MSRP | — |