BMW 135i 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 | BMW 135i135i | Mercedes-Benz SLK250SLK 250 |
|---|---|---|
| Selected trim | 135i | SLK 250 |
| Body style | Coupe | Convertible |
| Drivetrain | rear wheel drive | rear wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 6-speed manual | 6-speed manual |
| Engine type | gas | gas |
| Model year | 2013 | 2015 |
Pricing & market
| Spec | BMW 135i135i | Mercedes-Benz SLK250SLK 250 |
|---|---|---|
| MSRP | $39,600 (best) | $43,950 |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | BMW 135i135i | 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 | 14 gal | 18.5 gal (best) |
Performance
| Spec | BMW 135i135i | Mercedes-Benz SLK250SLK 250 |
|---|---|---|
| Horsepower | 300 hp (best) | 201 hp |
| Torque | 300 lb-ft (best) | 229 lb-ft |
| Engine size | 3 L (best) | 1.8 L |
| Cylinders | I6 | I4 |
Size & capability
| Spec | BMW 135i135i | Mercedes-Benz SLK250SLK 250 |
|---|---|---|
| Seating | 4 seats (best) | 2 seats |
| Doors | 2 | 2 |
| Cargo volume | 10 cu ft | 10.1 cu ft (best) |
| Curb weight | 3,373 lbs | 3,241 lbs (best) |
| Wheelbase | 104.7 in (best) | 95.7 in |
| Length | 172.2 in (best) | 162.8 in |
| Width | 68.8 in | 71.5 in (best) |
| Height | 56 in (best) | 51.2 in |
Safety & recalls
| Spec | BMW 135i135i | 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 | BMW 135i | Mercedes-Benz SLK250 |
|---|---|---|
| 1 | 135i $39,600 MSRP(Currently comparing) | SLK 250 $43,950 MSRP(Currently comparing) |
| 2 | 135i $44,400 MSRP | — |