Mercedes-Benz SLK Mercedes-Benz SLK 2010 Porsche Boxster Porsche Boxster 2008

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Mercedes-Benz SLK vs. Porsche Boxster 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.

Mercedes-Benz SLK vs. Porsche Boxster Invoice Comparison

Lowest Total Price: $71,935

Porsche Boxster S   
Difference: $1,960

Lowest Total Invoice: $57,445

Porsche Boxster S   
Difference: $11,409

Calculate Payments

  Down Payment Interest Rate Term
Model Year20102008
ModelSLKBoxster
TrimSLK55 AMGS
Body2dr Hardtop conv.2dr Convertible
Base Price $66,650 $55,700
Base Invoice $61,985 $43,512
Lighting Package 1,050  
Multimedia Package 2,850  
Metallic paint (extra cost) 720 690
Automatic climate control, front 750 550
Adaptive Sports Seats   3,055
Auto-dimming rearview mirror   690
Xenon HID headlights   1,090
Floor mats   115
Heated front seats   480
Carbon fiber / leather-wrapped steering wheel   1,360
Navigation system   3,110
Wind blocker, small   375
5-speed shiftable automatic   3,210
CD changer, remote   650
Lighting Package 976  
Multimedia Package 2,650  
Metallic paint (extra cost) 670 587
Automatic climate control, front 698 468
Adaptive Sports Seats   2,597
Auto-dimming rearview mirror   587
Xenon HID headlights   927
Floor mats   98
Heated front seats   408
Carbon fiber / leather-wrapped steering wheel   1,156
Navigation system   2,644
Wind blocker, small   319
5-speed shiftable automatic   2,729
CD changer, remote   553
Options (change) 5,370 15,375
Options (change) 4,994 13,073
Destination 875 860
Gas Tax 1,000 0
Total Price $73,895 $71,935
Total Invoice $68,854 $57,445

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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 Mercedes-Benz SLK dealer quotes or Porsche Boxster dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price: Mercedes-Benz SLK SLK55 AMG
Lowest Adjusted Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $2,285
TrueDelta Adjusted Invoice Difference: $7,454
Model Year20102008
ModelSLKBoxster
TrimSLK55 AMGS
Body2dr Hardtop conv.2dr Convertible
Engine355hp V8295hp H6
TransmissionT7T5
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)14/22 MPG18/25 MPG
Audio (watts, speakers)?, 9230, 7
Tire (rear if not all the same)225/40-18235/40-18
Total Price$73,895$71,935
Adjustments for Features-4,2450
Feature-Adjusted Total Price$69,650$71,935
Total Invoice$68,854$57,445
Adjustments for Features-3,9550
Feature-Adjusted Total Invoice$64,899$57,445

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Features Comparison: Mercedes-Benz SLK vs. Porsche Boxster

Model Year20102008
ModelSLKBoxster
TrimSLK55 AMGS
Body2dr Hardtop conv.2dr Convertible
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
5-speed manually-shiftable automatic $1000
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
Temporary spare tire$150 
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 
SD Card slot$25 
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 
Carbon fiber / leather-wrapped steering wheel $150
Leather-wrapped steering wheel$150 
Memory system, passenger 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
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$11,200$6,955
Value of Feature Adjustments$4,245$0
Value of Feature Adjustments-3,9550

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Specifications Comparison: Mercedes-Benz SLK vs. Porsche Boxster

Model Year20102008
ModelSLKBoxster
Body2dr Hardtop conv.2dr Convertible
Wheelbase95.7 in95.1 in
Length160.7 in170.4 in
Width70.4 in70.9 in
Height51.0 in51.0 in
Curb Weight3,420 lb.3,053 lb.
Fuel Capacity18.5 gal.17.0 gal.
Row 1 Headroom37.9 in38.4 in
Row 1 Shoulder Room52.2 in51.7 in
Row 1 Hip Room54.6 in53.4 in
Row 1 Legroom42.5 in41.6 in
Cargo Volume,
Minimum
6.5 ft39.9 ft3
Cargo Volume,
Maximum
9.8 ft39.9 ft3

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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%

Option Package Details
Porsche Boxster S

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested32581%
Total Not Requested7519%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested550100%
Total Not Requested00%
Carbon fiber / leather-wrapped steering wheel
FeatureValueRequested?
Carbon fiber / leather-wrapped steering wheel0No
Audio controls on steering wheel125Yes
Total Requested125100%
Total Not Requested00%
Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Front sport buckets100Yes
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 Requested95070%
Total Not Requested40030%

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