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Competitive Comparison

  • Features & Specs Comparison

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Competitive comparisons provided by Chrome Systems, Inc., an independent online automotive buyer's guide. GM and its advertising agencies are not responsible for this content.

Data Provider
  • Powertrain
  • Dimensions
  • Exterior
  • Interior
  • Safety
  • Fuel
  • Warranty
  • Primary Vehicle

    2013 Chevrolet Corvette Convertible LT 1LT

    MSRP1: $54600.0

    Competitively Equipped:
    $55595.0

  • 2013 Porsche Boxster 2dr Roadster S

    2013 Porsche Boxster 2dr Roadster S

    MSRP2: $60900.0

    Competitively Equipped:
    $61850.0

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  • 2013 BMW Z4 sDrive35is 2dr Roadster sDrive35is

    2013 BMW Z4 sDrive35is 2dr Roadster sDrive35is

    MSRP2: $64200.0

    Competitively Equipped:
    $65125.0

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  • 2013 Mercedes-Benz SLK350 2dr Roadster SLK350

    2013 Mercedes-Benz SLK350 2dr Roadster SLK350

    MSRP2: $55400.0

    Competitively Equipped:
    $56305.0

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Powertrain

2013 Porsche Boxster 2dr Roadster S 2013 BMW Z4 sDrive35is 2dr Roadster sDrive35is 2013 Mercedes-Benz SLK350 2dr Roadster SLK350
Powertrain
Standard Engine Gas V8 Gas Flat-6 Turbocharged Gas I6 Gas V6
Displacement 6.2L/378 3.4L/210 3.0L/182 3.5L/213
Drivetrain Rear Wheel Drive Rear-Wheel Drive Rear Wheel Drive Rear Wheel Drive
Horsepower @ RPM 430 @ 5900 315 @ 6700 335 @ 5900 302 @ 6500
Torque @ RPM 424 @ 4600 266 @ 4500-5800 332 @ 1500 273 @ 3500 - 5250
Fuel Injection Electronic Fuel Injection Direct Injection Direct Injection Direct Injection
4-Wheel ABS Standard Standard Standard Standard
4- wheel Disc Brakes Standard Standard Standard Standard

Dimensions

2013 Porsche Boxster 2dr Roadster S 2013 BMW Z4 sDrive35is 2dr Roadster sDrive35is 2013 Mercedes-Benz SLK350 2dr Roadster SLK350
Dimensions
Overall Length 174.60 172.200 167.000 162.8
Overall Width 72.60 70.900 70.500 71.5
Wheelbase 105.70 97.400 98.300 95.7
Overall Height 49.10 50.400 50.600 51.2
Front Head Room 37.70 N/A N/A 38.0
Front Hip Room 53.70 N/A N/A N/A
Front Leg Room 43.10 N/A 42.200 42.5
Front Shoulder Room 55.20 N/A 53.300 52.2
Seating Capacity 2 2 2 2
Front Tread Width 62.10 60.100 59.500 61.4
Rear Tread Width 60.70 60.6 N/A 61.6
Gross Vehicle Weight Rating (GVWR) Standard Standard Standard Standard

Exterior

2013 Porsche Boxster 2dr Roadster S 2013 BMW Z4 sDrive35is 2dr Roadster sDrive35is 2013 Mercedes-Benz SLK350 2dr Roadster SLK350
Exterior
Daytime Running Lights Standard Not Available Standard Standard
Fog Lamps Standard Not Available Not Available Not Available
Xenon HID Headlamps Standard Standard Standard Available
Power Door Locks Standard Standard Standard Standard
Remote Keyless Entry Standard Standard Standard Standard
Remote Trunk Release Standard Standard Standard Not Available
Power Driver Side Mirror Standard Available Standard Standard
Intermittent Wipers Standard Standard Standard Standard
Traction Control Standard Standard Standard Standard
Electronic Stability Control System Standard Standard Standard Standard
Active Suspension System Available Available Standard Not Available
Aluminum Wheels Standard Standard Standard Standard
Chrome Wheels Available Not Available Not Available Not Available
Wheel Locks Available Not Available Not Available Available
Tires - Front Performance Standard Standard Standard Standard
Tires - Rear Performance Standard Standard Standard Standard
Rear Spoiler Available Standard Not Available Available

Interior

2013 Porsche Boxster 2dr Roadster S 2013 BMW Z4 sDrive35is 2dr Roadster sDrive35is 2013 Mercedes-Benz SLK350 2dr Roadster SLK350
Interior
Driver Air Bag Standard Standard Standard Standard
Passenger Air Bag Standard Standard Standard Standard
Passenger Air Bag Sensor Standard Not Available Not Available Standard
Thorax Side Impact Standard Standard Standard Standard
Rearview Camera Available Not Available Not Available Not Available
Climate Control Standard Available Standard Standard
Dual Zone Climate Control Standard Available Standard Available
Rear Window Defogger Standard Standard Standard Standard
Cruise Control Standard Standard Standard Standard
Power Windows Standard Standard Standard Standard
Keyless Vehicle Start Standard Not Available Standard Available
Power Driver Seat Standard Available Standard Standard
Power Passenger Seat Standard Available Standard Standard
Leather-Appointed Seats Standard Standard Standard Standard
Bucket Seats Standard Standard Standard Standard
AM/FM Stereo Standard Standard Standard Standard
CD Player Standard Standard Standard Standard
Satellite Radio Standard Available Available Standard
MP3 Playback Standard Standard Standard Standard
Auxiliary-Audio Input Jacks Standard Standard Standard Standard
Steering Wheel-Mounted Audio Controls Standard Standard Standard Standard
Navigation System Standard Available Available Available
Onboard Hands-Free Communications System Standard Not Available Standard Standard
Vehicle Anti-Theft System Standard Standard Standard Standard
Power Steering Standard Standard Standard Standard
Adjustable Steering Wheel Standard Standard Standard Standard
Leather Wrapped Steering Wheel Standard Standard Standard Standard
Electrochromic, automatic-dimming rearview mirror Standard Available Not Available Standard
Auto-dimming rearview mirror Standard Available Not Available Standard
Driver Illuminated Visor Vanity Mirror Standard Standard Not Available Standard
Passenger Illuminated Visor Vanity Mirror Standard Standard Not Available Standard
Passenger Visor Vanity Mirror Standard Standard Standard Standard
Front Reading Lamps Standard Standard Standard Standard
Tire Pressure Monitoring System Standard Standard Standard Standard
Auxiliary Power Outlet Standard Standard Standard Standard
Front Floor Mats Standard Standard Standard Standard

Safety

2013 Porsche Boxster 2dr Roadster S 2013 BMW Z4 sDrive35is 2dr Roadster sDrive35is 2013 Mercedes-Benz SLK350 2dr Roadster SLK350
Safety
4- Wheel ABS Standard Standard Standard Standard
Driver Air bags Standard Standard Standard Standard
Passenger Air bags Standard Standard Standard Standard
Vehicle Anti-Theft System Standard Standard Standard Standard
Tire Pressure Monitor Standard Standard Standard Standard
Traction Control System Standard Standard Standard Standard
Electronic Stability Control System Standard Standard Standard Standard
Telematics Standard Not Available Standard Standard

Fuel

2013 Porsche Boxster 2dr Roadster S 2013 BMW Z4 sDrive35is 2dr Roadster sDrive35is 2013 Mercedes-Benz SLK350 2dr Roadster SLK350
Fuel
EPA Est. Fuel Economy City (MPG) 16 N/A 17 (2012) 20
EPA Est. Fuel Economy Highway (MPG) 26 N/A 24 (2012) 29
Fuel Tank Capacity (gallons) 18.0 16.900 14.500 15.9

Warranty

2013 Porsche Boxster 2dr Roadster S 2013 BMW Z4 sDrive35is 2dr Roadster sDrive35is 2013 Mercedes-Benz SLK350 2dr Roadster SLK350
Warranty3
Bumper-to-Bumper Limited Warranty (miles) 36,000 50,000 50,000 50,000
Bumper-to-Bumper Limited Warranty (years) 3 4 4 4
Powertrain/Drivetrain Limited Warranty (miles) 100,000 50,000 50,000 50,000
Powertrain/Drivetrain Limited Warranty (years) 5 4 4 4
Rust Warranty (miles) 36,000
Rust Warranty (years) 3
Roadside Assistance Program (miles) 100,000 50,000 Unlimited Unlimited
Roadside Assistance Program (years) 5 4 4 Unlimited

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