Engines & Power

Boxster Base

SLK SLK300 Roadster

Standard Engine 2.9L 255 hp H6 3.0L 228 hp V6
Horsepower 255 @ 6400 RPM 228 @ 6000 RPM
Torque (lb-ft) 214 @ 4400 RPM 221 @ 2500 RPM
Valves/Valve Configuration 24/DOHC 24/DOHC
Displacement (cc) 2893 2996
Bore X Stroke (in.) 3.50 X 3.10 3.47 X 3.24
Compression Ratio 11.5:1 11.3:1
Fuel Type/System Gasoline/SEFI Gasoline/SEFI
Turbocharger No No
Supercharger No No

Transmissions

Boxster Base

SLK SLK300 Roadster

Standard Transmission 6-Speed Manual Overdrive 6-Speed Manual Overdrive

Payload & Towing

Boxster Base

SLK SLK300 Roadster

Passenger Volume (cu. ft.) No data 48.80
Cargo Volume (cu. ft.) 9.90 9.80
Standard Towing (lb.) No data No data
Max Towing (lb.) No data No data
Standard Payload (lb.) No data No data
Max Payload (lb.) No data No data
Standard GVWR (lb.) No data No data
Max GVWR (lb.) No data No data

Braking & Traction

Boxster Base

SLK SLK300 Roadster

4 Wheel Drive/All Wheel Drive N/A N/A
ABS Brakes (2 or 4 Wheel) Std. Std.
Automatic Load-Leveling N/A N/A
Electronic Brake Assistance Std. Std.
Limited Slip Differential or Axle Opt. N/A
Locking Differential Opt. N/A
Traction Control Std. Std.
Vehicle Stability Control System Std. Std.
Next Steps

Boxster Base

SLK SLK300 Roadster

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BB04 - 7/26/2014 4:15:57 AM