Porsche Boxster Porsche Boxster 2007 Mercedes-Benz SLK Mercedes-Benz SLK 2010

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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: $69,825

Porsche Boxster S   
Difference: $4,070

Lowest Total Invoice: $60,715

Porsche Boxster S   
Difference: $8,139

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072010
ModelBoxsterSLK
TrimSSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $55,500 $66,650
Base Invoice $48,415 $61,985
Power Seat Package 1,550  
Auto-dimming rearview mirror 690  
Xenon HID headlights 1,090  
Heated front seats 480  
Front sport buckets 760  
Wind blocker, small 375  
Audio controls on steering wheel 990  
Navigation system 3,070  
Floor mats 115  
Automatic climate control, front 550 750
5-speed shiftable automatic 3,210  
CD changer, remote 650  
Lighting Package   1,050
Multimedia Package   2,850
Metallic paint (extra cost)   720
Power Seat Package 1,318  
Auto-dimming rearview mirror 587  
Xenon HID headlights 927  
Heated front seats 408  
Front sport buckets 646  
Wind blocker, small 319  
Audio controls on steering wheel 842  
Navigation system 2,610  
Floor mats 98  
Automatic climate control, front 468 698
5-speed shiftable automatic 2,729  
CD changer, remote 553  
Lighting Package   976
Multimedia Package   2,650
Metallic paint (extra cost)   670
Options (change) 13,530 5,370
Options (change) 11,505 4,994
Destination 795 875
Gas Tax 0 1,000
Total Price $69,825 $73,895
Total Invoice $60,715 $68,854

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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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Request free, no-obligation Porsche Boxster dealer quotes or Mercedes-Benz SLK dealer quotes from dealers using our car quote form.

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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: $400
TrueDelta Adjusted Invoice Difference: $3,974
Model Year20072010
ModelBoxsterSLK
TrimSSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Engine295hp H6355hp V8
TransmissionT5T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)20/27 MPG14/22 MPG
Audio (watts, speakers)230, 7?, 9
Tire (rear if not all the same)235/40-18225/40-18
Total Price$69,825$73,895
Adjustments for Features0-4,470
Feature-Adjusted Total Price$69,825$69,425
Total Invoice$60,715$68,854
Adjustments for Features0-4,165
Feature-Adjusted Total Invoice$60,715$64,689

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Features Comparison: Porsche Boxster vs. Mercedes-Benz SLK

Model Year20072010
ModelBoxsterSLK
TrimSSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Remote window/roof operation $15
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Brake assist $50
Knee airbag, driver $75
Knee airbag, passenger $75
Roll bar$200 
Cargo Management 
Cargo net$40 
Climate Control 
Dual-zone climate control $125
Residual heat $50
Water-repellent front-door glass$15 
Engine / Motor 
Mid-engine configuration$0 
Exterior 
Body kit $0
Power convertible top$4000 
Power retractable hardtop $6750
Rear spoiler $200
Retractable rear spoiler$400 
Infotainment 
Aux input $50
Bluetooth cell phone link $100
CD changer, in-dash $325
CD changer, remote$200 
CD player$125 
DVD-compatible player $0
HD radio $50
iPod integration $100
Media drive $15
MP3-compatible player $50
Satellite radio $200
Telematics service, such as OnStar $200
Traffic information $25
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming passenger-side mirror$75 
Automatic headlights $125
Cornering lights $50
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Mirror tilt-down in reverse $25
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 4-way lumbar adjuster, passenger seat $150
Synthetic suede inserts in leather seating surfaces $0
Suspension, Wheels, and Tires 
Sport suspension (upgrade) $0
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$6,405$10,875
Value of Feature Adjustments$0$4,470
Value of Feature Adjustments0-4,165

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Specifications Comparison: Porsche Boxster vs. Mercedes-Benz SLK

Model Year20072010
ModelBoxsterSLK
Body2dr Convertible2dr Hardtop conv.
Wheelbase95.1 in95.7 in
Length170.4 in160.7 in
Width70.9 in70.4 in
Height51.0 in51.0 in
Curb Weight3,053 lb.3,420 lb.
Fuel Capacity17.0 gal.18.5 gal.
Row 1 Headroom38.4 in37.9 in
Row 1 Shoulder Room51.7 in52.2 in
Row 1 Hip Room53.4 in54.6 in
Row 1 Legroom41.6 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

Power Seat 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 fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested850100%
Total Not Requested00%

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
Satellite radio200No
DVD-compatible player0No
Voice control for nav and audio100No
Traffic information25No
HD radio50No
Media drive, large15No
SD Card slot25No
Total Requested60059%
Total Not Requested41541%

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