Porsche Boxster Porsche Boxster 2014 Mercedes-Benz SLK Mercedes-Benz SLK 2009

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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: $73,035

Mercedes-Benz SLK SLK55 AMG   
Difference: $5,600

Calculate Payments

  Down Payment Interest Rate Term
Model Year20142009
ModelBoxsterSLK
TrimSSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $62,100 $65,700
7-speed automated manual 3,200  
Infotainment Package 3,990  
Bose 505W 10 speakers 0  
Metallic paint (extra cost) 710 720
Sport suspension (upgrade) 1,235  
Audio controls on steering wheel 615  
CD changer, in-dash 670  
Interior ambient lighting 340  
Leather Package 500  
Voice control for nav and audio 520  
Premium Package 3,760  
Lighting Package   1,030
Multimedia Package   2,980
Automatic climate control, front   730
7-speed automated manual 0  
Infotainment Package 0  
Bose 505W 10 speakers 0  
Metallic paint (extra cost) 0 670
Sport suspension (upgrade) 0  
Audio controls on steering wheel 0  
CD changer, in-dash 0  
Interior ambient lighting 0  
Leather Package 0  
Voice control for nav and audio 0  
Premium Package 0  
Lighting Package   958
Multimedia Package   2,771
Automatic climate control, front   679
Options (change) 15,540 5,460
Options (change) 0 5,078
Destination 995 875
Gas Tax 0 1,000
Total Price $78,635 $73,035

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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 S
TrueDelta Adjusted Price Difference: $7,455
TrueDelta Adjusted Invoice Difference: $65,331
Model Year20142009
ModelBoxsterSLK
TrimSSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Engine315hp H6355hp V8
TransmissionS7T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)21/30 MPG14/22 MPG
Audio (watts, speakers)445, 10380, 11
Tire (rear if not all the same)235/40-19225/40-18
Total Price$78,635$73,035
Adjustments for Features0-1,855
Feature-Adjusted Total Price$78,635$71,180

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Features Comparison: Porsche Boxster vs. Mercedes-Benz SLK

Model Year20142009
ModelBoxsterSLK
TrimSSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Remote window/roof operation $15
Brakes, Airbags, and Other Safety 
Roll bar$200 
Side curtain airbags$350 
Temporary spare tire $150
Cargo Management 
Cargo net$40 
Climate Control 
Automatic air recirculation$100 
Water-repellent front-door glass$15 
Engine / Motor 
Automatic start / stop$150 
Mid-engine configuration$0 
Regenerative braking$0 
Exterior 
Body kit $0
Power convertible top$4000 
Power retractable hardtop $6750
Rear spoiler $200
Retractable rear spoiler$400 
Infotainment 
App support$0 
Bluetooth audio streaming$25 
DVD-Audio-compatible player$0 
DVD-compatible player $0
HD radio$50 
iPod integration $100
Off-road navigation system$0 
SD Card slot $25
Telematics service, such as OnStar $200
Traffic information$25 
USB port$25 
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming passenger-side mirror$75 
Cornering lights $50
Fog lights $125
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Mirror tilt-down in reverse $25
Steering-linked headlights$150 
Turn signals on or near mirrors $25
Visor mirror, driver $10
Visor mirror, passenger $10
Seats and Interior Trim 
Aluminum trim $100
Memory system, passenger seat $150
Power thigh support length adjuster, driver seat$100 
Power thigh support length adjuster, passenger seat$100 
Synthetic suede inserts in leather seating surfaces $0
Upholstered instrument cluster hood, leather$200 
Total Value of Features$7,305$9,160
Value of Feature Adjustments$0$1,855
Value of Feature Adjustments0-1,728

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Specifications Comparison: Porsche Boxster vs. Mercedes-Benz SLK

Model Year20142009
ModelBoxsterSLK
Body2dr Convertible2dr Hardtop conv.
Wheelbase97.4 in95.7 in
Length172.2 in160.7 in
Width70.9 in70.4 in
Height50.5 in51.0 in
Curb Weight2,976 lb.3,420 lb.
Fuel Capacity16.9 gal.18.5 gal.
Row 1 Headroom38.6 in37.9 in
Row 1 Shoulder Room51.7 in52.2 in
Row 1 Hip Room53.4 in54.6 in
Row 1 Legroom42.6 in42.5 in
Cargo Volume,
Minimum
9.9 ft36.5 ft3
Cargo Volume,
Maximum
9.99.8 ft3

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Option Package Details
Porsche Boxster S

Infotainment Package
FeatureValueRequested?
DVD-Audio-compatible player0Yes
HD radio50No
USB port25Yes
Satellite radio200Yes
Traffic information25No
Off-road navigation system0No
Media drive, large15Yes
App support0No
Navigation system600Yes
Total Requested84092%
Total Not Requested758%
Premium Package
FeatureValueRequested?
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
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
Wind blocker, small100Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Auto-dimming rearview mirror150Yes
Headlight washers50Yes
Steering-linked headlights150No
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50Yes
Automatic air recirculation100No
Automatic climate control, front200Yes
Total Requested215080%
Total Not Requested52520%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0No
Voice control for nav and audio100Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Media drive, large15Yes
SD Card slot25No
Total Requested96572%
Total Not Requested37528%

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