Porsche Boxster Porsche Boxster 2016 Mercedes-Benz SLK Mercedes-Benz SLK 2012

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Porsche Boxster vs. Mercedes-Benz SLK Price Comparison (MSRP)

The sticker prices, before adjusting for remaining feature differences. Usually these are the numbers you will see on the window stickers.

Models in short supply often sell at or even above these prices.

Porsche Boxster vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $75,695

Mercedes-Benz SLK SLK55 AMG   
Difference: $19,340

Calculate Payments

  Down Payment Interest Rate Term
Model Year20162012
ModelBoxsterSLK
TrimSpyderSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $82,100 $67,500
Adaptive sport seats plus 2,635  
Auto-dimming mirrors 690  
Automatic climate control, front 760 760
Metallic paint (extra cost) 710 720
Interior ambient lighting 340  
Heated front seats 530  
Bright-finished exhaust tip(s) 650  
Carbon fiber trim 445 2,250
CD changer, in-dash 670  
Voice control for nav and audio 520  
6-speed manual 0  
Infotainment Package 3,990  
Bose 505W 10 speakers 0  
Lighting Package   1,090
Multimedia Package   2,150
Wind blocker, small   350
Adaptive sport seats plus 0  
Auto-dimming mirrors 0  
Automatic climate control, front 0 707
Metallic paint (extra cost) 0 670
Interior ambient lighting 0  
Heated front seats 0  
Bright-finished exhaust tip(s) 0  
Carbon fiber trim 0 2,093
CD changer, in-dash 0  
Voice control for nav and audio 0  
6-speed manual 0  
Infotainment Package 0  
Bose 505W 10 speakers 0  
Lighting Package   1,014
Multimedia Package   2,000
Wind blocker, small   326
Options (change) 11,940 7,320
Options (change) 0 6,810
Destination 995 875
Total Price $95,035 $75,695

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

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TrueDelta Value Comparison: Porsche Boxster vs. Mercedes-Benz SLK

Lowest Adjusted Price: Mercedes-Benz SLK SLK55 AMG
Lowest Adjusted Invoice: Porsche Boxster Spyder
TrueDelta Adjusted Price Difference: $23,695
TrueDelta Adjusted Invoice Difference: $65,411
Model Year20162012
ModelBoxsterSLK
TrimSpyderSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Engine375hp H6415hp V8
TransmissionM6T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)18/24 MPG19/28 MPG
Audio (watts, speakers)445, 10500, 11
Tire (rear if not all the same)235/35-20235/40-18
Total Price$95,035$75,695
Adjustments for Features0-4,355
Feature-Adjusted Total Price$95,035$71,340

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Features Comparison: Porsche Boxster vs. Mercedes-Benz SLK

Model Year20162012
ModelBoxsterSLK
TrimSpyderSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Remote app $25
Remote window/roof operation $15
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Driver drowsiness monitor $150
Temporary spare tire $150
Cargo Management 
Cargo net$40 
Climate Control 
Automatic air recirculation$100 
Water-repellent front-door glass$15 
Drivetrain 
Electronically-variable engine mounts (performance-oriented)$500 
Limited-slip rear differential$300 
Engine / Motor 
Automatic start / stop $150
Mid-engine configuration$0 
Regenerative braking$0 
Exterior 
Black exterior trim (optional)$0 
Body kit $0
Convertible top$3000 
Painted brake calipers (optional)$0 
Power retractable hardtop $6750
Rear spoiler $200
Retractable rear spoiler$400 
Infotainment 
App support$0 
Audio controls on steering wheel $125
DVD-Audio-compatible player$0 
DVD-compatible player $0
Off-road navigation system$0 
SD Card slot $25
Telematics service, such as OnStar $200
Traffic + travel information $25
Traffic information$25 
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming passenger-side mirror$75 
Chronometer$100 
Compass $0
Headlight washers $50
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Mirror tilt-down in reverse $25
Power-folding mirrors $50
Steering-linked headlights $150
Turn signals on or near mirrors $25
Visor mirror, driver $10
Visor mirror, passenger $10
Seats and Interior Trim 
Leather door panel trim $250
Leather-wrapped steering wheel $150
Memory system, passenger seat $150
Neck-level heating, front seats $150
Power seatback bolsters, driver seat$100 
Power seatback bolsters, passenger seat$100 
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Power thigh support length adjuster, driver seat$100 
Power thigh support length adjuster, passenger seat$100 
Synthetic suede door panel trim$250 
Synthetic suede steering wheel$150 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$5,805$10,160
Value of Feature Adjustments$0$4,355
Value of Feature Adjustments0-4,054

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Specifications Comparison: Porsche Boxster vs. Mercedes-Benz SLK

Model Year20162012
ModelBoxsterSLK
Body2dr Convertible2dr Hardtop conv.
Wheelbase97.4 in95.7 in
Length172.2 in162.8 in
Width70.9 in71.5 in
Height50.5 in51.2 in
Curb Weight2,899 lb.3,583 lb.
Fuel Capacity16.9 gal.15.9 gal.
Row 1 Headroom38.6 in38.0 in
Row 1 Shoulder Room51.7 in52.2 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom42.6 in42.5 in
Cargo Volume,
Minimum
9.9 ft36.4 ft3
Cargo Volume,
Maximum
9.910.1 ft3

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Option Package Details
Porsche Boxster Spyder

Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Total Requested110065%
Total Not Requested60035%
Auto-dimming mirrors
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested32581%
Total Not Requested7519%
Infotainment Package
FeatureValueRequested?
App support0No
Satellite radio200Yes
DVD-Audio-compatible player0Yes
HD radio50Yes
USB port25Yes
Navigation system600Yes
Traffic information25Yes
Off-road navigation system0No
Media drive15Yes
Total Requested915100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Automatic climate control, front
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125Yes
Total Requested325100%
Total Not Requested00%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50No
Total Requested50071%
Total Not Requested20029%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
CD changer, in-dash200Yes
DVD-compatible player0No
Voice control for nav and audio100Yes
Media drive, large15Yes
Traffic + travel information25No
SD Card slot25No
Total Requested91595%
Total Not Requested505%

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