Porsche Boxster Porsche Boxster 2014 Mercedes-Benz SLK Mercedes-Benz SLK 2006

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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: $68,580

Mercedes-Benz SLK SLK55 AMG   
Difference: $8,580

Calculate Payments

  Down Payment Interest Rate Term
Model Year20142006
ModelBoxsterSLK
TrimSSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $62,100 $61,500
7-speed automated manual 3,200  
Adaptive sport seats plus 3,825  
Metallic paint (extra cost) 710 690
Sport suspension (upgrade) 1,235  
Audio controls on steering wheel 615  
Satellite radio 670 500
CD changer, in-dash 570  
Premium Package Plus 3,240  
Lighting Package   990
Premium Package   1,470
Bluetooth cell phone link   925
CD changer, remote   430
7-speed automated manual 0  
Adaptive sport seats plus 0  
Metallic paint (extra cost) 0 642
Sport suspension (upgrade) 0  
Audio controls on steering wheel 0  
Satellite radio 0 465
CD changer, in-dash 0  
Premium Package Plus 0  
Lighting Package   921
Premium Package   1,367
Bluetooth cell phone link   860
CD changer, remote   400
Options (change) 14,065 5,005
Options (change) 0 4,655
Destination 995 775
Gas Tax 0 1,300
Total Price $77,160 $68,580

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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: $9,135
TrueDelta Adjusted Invoice Difference: $62,413
Model Year20142006
ModelBoxsterSLK
TrimSSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Engine315hp H6355hp V8
TransmissionS7T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)21/30 MPG16/22 MPG
Audio (watts, speakers)185, 7?, 9
Tire (rear if not all the same)235/40-19225/40-18
Total Price$77,160$68,580
Adjustments for Features0-555
Feature-Adjusted Total Price$77,160$68,025

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Features Comparison: Porsche Boxster vs. Mercedes-Benz SLK

Model Year20142006
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 
Proximity key$250 
Remote window/roof operation $15
Brakes, Airbags, and Other Safety 
Roll bar$200 
Side curtain airbags$350 
Tire-pressure monitor$75 
Cargo Management 
Cargo net$40 
Climate Control 
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 
Aux input$50 
Bluetooth audio streaming$25 
CD changer, in-dash$325 
CD changer, remote $200
CD player $125
MP3-compatible player$50 
Telematics service, such as OnStar $200
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
Cooled or ventilated front seats$300 
Memory system, passenger seat $150
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, 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$8,655$9,210
Value of Feature Adjustments$0$555
Value of Feature Adjustments0-517

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Specifications Comparison: Porsche Boxster vs. Mercedes-Benz SLK

Model Year20142006
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 seat150No
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150No
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Front sport buckets100Yes
Total Requested90050%
Total Not Requested90050%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300No
Proximity key250No
Interior ambient lighting150No
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 seat150No
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150No
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 Requested185055%
Total Not Requested152545%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Rain-sensing wipers100Yes
Total Requested400100%
Total Not Requested00%

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