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Car Comparison

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Standard Standard
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2013 Mercedes-Benz SLK-Class 2014 Porsche Boxster 2013 Porsche 911
   
SLK250
  • SLK250
  • SLK350
  • SLK55 AMG
2dr Roadster
  • 2dr Roadster
  • 2dr Roadster S
2dr Cpe Carrera
  • 2dr Cabriolet Carrera 4
  • 2dr Cpe Carrera 4S
  • 2dr Cabriolet Carrera S
  • 2dr Cabriolet Carrera 4S
  • 2dr Cpe Turbo
  • 2dr Cabriolet Turbo
  • 2dr Cpe S Turbo
  • 2dr Cabriolet S Turbo
  • 2dr Cpe Carrera
  • 2dr Cpe Carrera 4
  • 2dr Cabriolet Carrera
  • 2dr Cpe Carrera S
 

Prices

MSRP $42,900 $50,400 $82,100
Invoice $39,897 $0 $73,710
Avg. Paid N/A $49,376 N/A

U.S. News Scores

Overall 7.8 9.2 8.9
Critics' Rating 8.0 9.5 9.0
Performance 8.0 9.0 8.9
Interior 7.9 8.7 8.1
Safety N/A N/A N/A
Reliability 3.5 4.5 4.5

Pros & Cons

Pros
  • High-quality interior
  • Good ride comfort/handling balance
  • Exceptional performance
  • Modern cabin design
  • Supportive seats
  • Powerful engine choices
  • Superb handling
  • High-quality, driver-focused interior
Cons
  • Limited trunk space
  • Snug cockpit
  • Unrefined automatic transmission
  • Lackluster cargo space
  • Limited cargo space

General Specs

Transmission Manual Manual Manual
Drivetrain Rear Wheel Drive Rear Wheel Drive Rear Wheel Drive
Fuel/Engine Gas I4 1.8L/110 Premium Unleaded H-6 2.7 L/165 Gas Flat 6 3.4L/210
MPG - TBD - City / - TBD - Hwy 20 City / 30 Hwy 19 City / 27 Hwy

Exterior

Body

Body Style 2 Door Roadster Convertible Coupe

Dimensions

Wheelbase(in) 95.7 97.4 96.5
Length, Overall (in) 162.8 172.2 176.8
Width, Max w/o mirrors (in) 71.5 70.9 71.2
Height, Overall (in) 51.2 50.5 51.3

Doors & Windows

Rear Defrost Standard Standard Standard
Power Windows Standard Standard Standard

Exterior Features

Convertible Hardtop Standard
Convertible Soft Top Standard
Sun/Moon Roof Optional Optional
Panoramic Roof Optional
Power Tilt/Sliding Sunroof Optional
Rear Spoiler Optional Standard Standard

Measurements

Base Curb Weight (lbs) 3308 2888 3042

Tires & Wheels

Tires - Front Performance Standard Standard Standard
Tires - Rear Performance Standard Standard Standard
Tire Pressure Monitoring System Standard Standard Standard
Aluminum Wheels Standard Standard Standard
Wheel Locks Optional Standard

Interior

Convenience & Comfort

Alarm Standard Standard Standard
Auxiliary Pwr Outlet Standard Standard
Cruise Control Standard Standard Standard
Vehicle Anti-Theft System Standard Standard Standard
Fog Lamps Standard
Auto-Off Headlights Standard Standard Standard
HID headlights Optional Optional Standard
Keyless Start Optional Optional
Luggage Rack Optional
Rear Parking Aid Optional Optional Optional
Front Reading Lamps Standard Standard
Adjustable Steering Wheel Standard Standard Standard
Steering Wheel Controls Standard Optional Standard
Leather Wrapped Steering Wheel Standard Standard Standard
Trip Computer Standard Standard
Remote Trunk Release Standard Standard
Universal Garage Door Opener Standard Standard Standard
Intermittent Wipers Standard Standard Standard
Rain Sensing Wipers Standard Optional Standard
Variable Speed Intermittent Wipers Standard Standard Standard
Front Floor Mats Standard Standard Standard
Keyless Entry Standard Standard Standard
Power Door Locks Standard Standard Standard
Electrochromic rearview mirror Standard Optional Optional
Heated Mirrors Standard Standard Standard
Mirror Memory Standard Optional Standard
Power Driver Mirror Standard Standard Standard
Power Folding Mirrors Standard Optional Optional
Driver Vanity Mirror Standard Standard Standard
Driver Illuminated Vanity Mirror Standard Standard Standard
Passenger Vanity Mirror Standard Standard Standard
Passenger Illuminated Visor Mirror Standard Standard Standard
Manual Steering Optional
Power Steering Standard Standard Standard

Dimensions

Passenger Capacity 2 2 4
Passenger Volume (cu. ft.) 49.0 - TBD -
Front Head Room (in) 38.0 38.6 - TBD -
Front Leg Room (in) 42.5 42.6 - TBD -
Front Shoulder Room (in) 52.2 51.7 - TBD -
Front Hip Room (in) - TBD - 53.4 - TBD -
Second Head Room (in) - TBD -
Second Leg Room (in) - TBD -
Second Shoulder Room (in) - TBD -
Second Hip Room (in) - TBD -
Trunk Volume (cu. ft.) 10.1 (6.4 w/top down) 9.9 4.8

Entertainment

AM/FM Stereo Standard Standard Standard
Auxiliary Audio Input Standard Standard Standard
CD Changer Standard Optional Optional
CD Player Standard Standard Standard
HD Radio Standard Optional Optional
MP3 Player Standard Standard Standard
Satellite Radio Optional Optional Optional
Premium Sound System Optional Optional Standard
Hard Disk Drive Optional Standard

Heating & Cooling

Climate Control Standard Optional Standard
Dual Zone A/C Optional Optional
A/C Standard Standard Standard

Navigation & Communication

Navigation System Optional Optional Standard
Onboard Hands-Free Communications System Standard Optional
Wireless Cell Phone Hookup Standard Standard Optional

Seats

Leather Seats Optional Optional Standard
Premium Synthetic Seats Standard Standard
Cooled Driver Seat Optional Optional
Heated Driver Seat Optional Optional Optional
Driver Lumbar Standard Optional Optional
Passenger Lumbar Standard Optional Optional
Seat Memory Standard Optional Optional
Power Driver Seat Standard Standard Standard
Power Passenger Seat Standard Standard Standard
Pass-Through Rear Seat Standard
2nd Row Bench Seat Standard
Bucket Seats Standard Standard Standard

Safety

Airbags

Driver Air Bag Standard Standard Standard
Passenger Air Bag On/Off Switch Standard
Passenger Air Bag Standard Standard Standard
Side Head Air Bag Standard Standard Standard
Rear Head Air Bag Standard
Side Air Bag Standard Standard Standard
Rear Body Air Bag Standard

Brakes

4-Wheel ABS Standard Standard Standard
4-Wheel Disc Brakes Standard Standard Standard

Safety Features

Brake Assist Standard Standard Standard
Electronic Stability Control Standard Standard Standard
Daytime Running Lights Standard Standard Standard
Child Safety Locks Standard
Integrated Turn Signal Mirrors Standard
Rollover Protection System Standard Standard
Traction Control Standard Standard Standard
Emergency Trunk Release Standard Standard
Blind Spot Monitor Optional
Auto-Leveling Headlights Optional Standard
Lane Departure Warning Optional

Mechanical

Engine & Performance

Locking Rear Differential Optional Optional
Rear Wheel Drive Standard Standard Standard
4 Cylinder Engine Standard
Flat 6 Cylinder Engine Standard Standard
Turbocharged Standard
Engine Type Gas I4 Premium Unleaded H-6 Gas Flat 6
Displacement 1.8L/110 2.7 L/165 3.4L/210
Horsepower (Net @ RPM) 201 @ 5500 265 @ 6700 350 @ 7400
Torque (Net @ RPM) 229 @ 2000 - 4300 206 @ 4400 287 @ 5600
Transmission Manual Manual w/OD Manual
Turning diameter 34.5 36.4 36.4

Fuel

Gasoline Fuel Standard Standard Standard
EPA Fuel Economy Est - City (MPG) - TBD - 20 19
EPA Fuel Economy Est - Hwy (MPG) - TBD - 30 27
Fuel Tank Capacity, Approx (gal) 15.9 16.9 17.7

Suspension

Active Suspension System Optional Optional
Suspension Type - Front Independent Strut MacPherson Strut
Suspension Type - Rear Multi-Link Strut Multi-Link
Suspension Type - Front (Cont.) w/Coil Springs Strut
Suspension Type - Rear (Cont.) w/Coil Springs Strut

Transmission

Automatic Optional Optional Optional
Automatic Transmission w/Manual Mode Optional Optional Optional
7-Speed Automatic Optional Optional Optional
Manual Standard Standard Standard
6-Speed Manual Standard Standard
7-Speed Manual Standard