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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

    2012 Chevrolet Corvette Convertible LT 1LT

    MSRP1: $54,600

    Competitively Equipped:
    $55,575

  • 2012 Porsche Boxster 2dr Roadster S

    2012 Porsche Boxster 2dr Roadster S

    MSRP2: $58,600

    Competitively Equipped:
    $59,550

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  • 2012 BMW Z4 sDrive35is 2dr Roadster sDrive35is

    2012 BMW Z4 sDrive35is 2dr Roadster sDrive35is

    MSRP2: $64,200

    Competitively Equipped:
    $65,095

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  • 2012 Mercedes-Benz SLK350 2dr Roadster SLK350

    2012 Mercedes-Benz SLK350 2dr Roadster SLK350

    MSRP2: $54,800

    Competitively Equipped:
    $55,675

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Powertrain

2012 Porsche Boxster 2dr Roadster S 2012 BMW Z4 sDrive35is 2dr Roadster sDrive35is 2012 Mercedes-Benz SLK350 2dr Roadster SLK350
Powertrain
Standard Engine Gas V8 Gas Flat-6 Turbocharged Gas I6 Gas V6
Displacement 6.2L/378.3 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 310 @ 6400 335 @ 5900 302 @ 6500
Torque @ RPM 424 @ 4600 266 @ 4400-5500 332 @ 1500 273 @ 3500 - 5250
Fuel Injection Electronic Fuel Injection Electronic Fuel Injection Direct Injection Direct Injection
4-Wheel ABS Standard Standard Standard Standard
4- wheel Disc Brakes Standard Standard Standard Standard

Dimensions

2012 Porsche Boxster 2dr Roadster S 2012 BMW Z4 sDrive35is 2dr Roadster sDrive35is 2012 Mercedes-Benz SLK350 2dr Roadster SLK350
Dimensions
Overall Length 174.6 172.1 167.0 162.8
Overall Width 72.6 70.9 70.5 71.5
Wheelbase 105.7 95.1 98.3 95.7
Overall Height 49.1 50.9 50.6 51.2
Front Head Room 37.7 37.6 39.1 38.0
Front Hip Room 53.7 53.4 N/A N/A
Front Leg Room 43.1 33.5 42.2 42.5
Front Shoulder Room 55.2 51.5 53.3 52.2
Seating Capacity 2 2 2 2
Front Tread Width 62.1 58.5 59.5 61.4
Rear Tread Width 60.7 60.2 61.4 61.6
Gross Vehicle Weight Rating (GVWR) Standard Standard Standard Standard

Exterior

2012 Porsche Boxster 2dr Roadster S 2012 BMW Z4 sDrive35is 2dr Roadster sDrive35is 2012 Mercedes-Benz SLK350 2dr Roadster SLK350
Exterior
Daytime Running Lights Standard Available Standard Standard
Fog Lamps Standard Standard Not Available Not Available
Xenon HID Headlamps Standard Available 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 Standard 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

2012 Porsche Boxster 2dr Roadster S 2012 BMW Z4 sDrive35is 2dr Roadster sDrive35is 2012 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 Standard Standard Standard
Dual Zone Climate Control Standard Not 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 Available Available
Power Driver Seat Standard Standard Standard Standard
Power Passenger Seat Standard Standard Standard Standard
Leather-Appointed Seats Standard Standard Standard Standard
Bucket Seats Standard Standard Standard Standard
AM/FM Stereo Standard Standard Standard Not Available
CD Player Standard Standard Standard Available
Satellite Radio Standard Available Available Available
MP3 Playback Standard Standard Standard Standard
Auxiliary-Audio Input Jacks Standard Standard Standard Standard
Steering Wheel-Mounted Audio Controls Standard Available Standard Standard
Onboard Hands-Free Communications System Standard Not Available Available Standard
Vehicle Anti-Theft System Standard Not Available 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 Available Standard
Auto-dimming rearview mirror Standard Available 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 Available Standard Standard
Tire Pressure Monitoring System Standard Standard Standard Standard
Auxiliary Power Outlet Standard Standard Standard Standard
Front Floor Mats Standard Available Standard Standard

Safety

2012 Porsche Boxster 2dr Roadster S 2012 BMW Z4 sDrive35is 2dr Roadster sDrive35is 2012 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 Not Available 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 Available Standard

Fuel

2012 Porsche Boxster 2dr Roadster S 2012 BMW Z4 sDrive35is 2dr Roadster sDrive35is 2012 Mercedes-Benz SLK350 2dr Roadster SLK350
Fuel
EPA Est. Fuel Economy City (MPG) 16 19 17 20
EPA Est. Fuel Economy Highway (MPG) 26 26 24 29
Fuel Tank Capacity (gallons) 18.0 16.9 14.5 15.9

Warranty

2012 Porsche Boxster 2dr Roadster S 2012 BMW Z4 sDrive35is 2dr Roadster sDrive35is 2012 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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