Porsche Boxster Porsche Boxster 2013 Mercedes-Benz SLK Mercedes-Benz SLK 2008

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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: $71,250

Mercedes-Benz SLK SLK55 AMG   
Difference: $6,155

Calculate Payments

  Down Payment Interest Rate Term
Model Year20132008
ModelBoxsterSLK
TrimSSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $60,900 $63,200
7-speed automated manual 3,200  
Adaptive sport seats plus 3,825  
Infotainment Package 3,860  
Bose 505W 10 speakers 0  
Metallic paint (extra cost) 710 710
Sport suspension (upgrade) 1,235  
Audio controls on steering wheel 615  
CD changer, in-dash 670  
Premium Package 1,440  
Lighting Package   1,010
Premium II Package   1,410
iPod integration   375
Automatic climate control, front   720
Navigation system   1,200
CD changer, remote   450
7-speed automated manual 0  
Adaptive sport seats plus 0  
Infotainment Package 0  
Bose 505W 10 speakers 0  
Metallic paint (extra cost) 0 659
Sport suspension (upgrade) 0  
Audio controls on steering wheel 0  
CD changer, in-dash 0  
Premium Package 0  
Lighting Package   939
Premium II Package   1,311
iPod integration   349
Automatic climate control, front   670
Navigation system   1,116
CD changer, remote   418
Options (change) 15,555 5,875
Options (change) 0 5,462
Destination 950 875
Gas Tax 0 1,300
Total Price $77,405 $71,250

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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: $7,920
TrueDelta Adjusted Invoice Difference: $63,818
Model Year20132008
ModelBoxsterSLK
TrimSSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Engine315hp H6355hp V8
TransmissionS7T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)21/30 MPG14/20 MPG
Audio (watts, speakers)445, 10380, 11
Tire (rear if not all the same)235/40-19225/40-18
Total Price$77,405$71,250
Adjustments for Features0-1,765
Feature-Adjusted Total Price$77,405$69,485

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Features Comparison: Porsche Boxster vs. Mercedes-Benz SLK

Model Year20132008
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 
Bluetooth audio streaming$25 
CD changer, in-dash$325 
CD changer, remote $200
CD player $125
DVD-Audio-compatible player$0 
iPod integration $100
Media drive$15 
MP3-compatible player$50 
Off-road navigation system$0 
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 
Interior ambient lighting $150
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 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 inserts in leather seating surfaces $0
Total Value of Features$7,845$9,610
Value of Feature Adjustments$0$1,765
Value of Feature Adjustments0-1,645

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Specifications Comparison: Porsche Boxster vs. Mercedes-Benz SLK

Model Year20132008
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

Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
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
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
Front sport buckets100Yes
Total Requested120067%
Total Not Requested60033%
Infotainment Package
FeatureValueRequested?
Navigation system600Yes
Satellite radio200Yes
DVD-Audio-compatible player0No
Traffic information25No
Off-road navigation system0No
Media drive, large15No
USB port25Yes
Total Requested82595%
Total Not Requested405%
Premium Package
FeatureValueRequested?
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
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
Wind blocker, small100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Steering-linked headlights150No
Headlight washers50Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50Yes
Automatic air recirculation100No
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%
Premium II Package
FeatureValueRequested?
Bluetooth cell phone link100Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Total Requested40053%
Total Not Requested35047%

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