Mercedes-Benz SLK Mercedes-Benz SLK 2008 Porsche Boxster Porsche Boxster 2016

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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: $71,250

Mercedes-Benz SLK SLK55 AMG   
Difference: $11,600

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082016
ModelSLKBoxster
TrimSLK55 AMGS
Body2dr Hardtop conv.2dr Convertible
Base Price $63,200 $63,900
Lighting Package 1,010  
Premium II Package 1,410  
Metallic paint (extra cost) 710 710
Automatic climate control, front 720  
iPod integration 375  
Navigation system 1,200  
CD changer, remote 450  
Adaptive sport seats plus   3,825
Premium Package Plus   2,950
Infotainment Package   3,990
Bose 505W 10 speakers   0
7-speed automated manual   3,200
CD changer, in-dash   670
Audio controls on steering wheel   615
Aluminum trim   760
Sport suspension (upgrade)   1,235
Lighting Package 939  
Premium II Package 1,311  
Metallic paint (extra cost) 659 0
Automatic climate control, front 670  
iPod integration 349  
Navigation system 1,116  
CD changer, remote 418  
Adaptive sport seats plus   0
Premium Package Plus   0
Infotainment Package   0
Bose 505W 10 speakers   0
7-speed automated manual   0
CD changer, in-dash   0
Audio controls on steering wheel   0
Aluminum trim   0
Sport suspension (upgrade)   0
Options (change) 5,875 17,955
Options (change) 5,462 0
Destination 875 995
Gas Tax 1,300 0
Total Price $71,250 $82,850

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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: $12,515
TrueDelta Adjusted Invoice Difference: $64,565
Model Year20082016
ModelSLKBoxster
TrimSLK55 AMGS
Body2dr Hardtop conv.2dr Convertible
Engine355hp V8315hp H6
TransmissionT7S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)14/20 MPG21/30 MPG
Audio (watts, speakers)380, 11445, 10
Tire (rear if not all the same)225/40-18235/40-19
Total Price$71,250$82,850
Adjustments for Features-9150
Feature-Adjusted Total Price$70,335$82,850

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Features Comparison: Mercedes-Benz SLK vs. Porsche Boxster

Model Year20082016
ModelSLKBoxster
TrimSLK55 AMGS
Body2dr Hardtop conv.2dr Convertible
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
7-speed automated manual $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
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 
Painted brake calipers (optional) $0
Power convertible top $4000
Power retractable hardtop$6750 
Rear spoiler$200 
Retractable rear spoiler $400
Infotainment 
App support $0
Bluetooth audio streaming $25
CD changer, in-dash $325
CD changer, remote$200 
CD player$125 
DVD-Audio-compatible player $0
HD radio $50
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
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 
Cooled or ventilated front seats $300
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$9,360$8,445
Value of Feature Adjustments$915$0
Value of Feature Adjustments-8530

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Specifications Comparison: Mercedes-Benz SLK vs. Porsche Boxster

Model Year20082016
ModelSLKBoxster
Body2dr Hardtop conv.2dr Convertible
Wheelbase95.7 in97.4 in
Length160.7 in172.2 in
Width70.4 in70.9 in
Height51.0 in50.5 in
Curb Weight3,420 lb.2,976 lb.
Fuel Capacity18.5 gal.16.9 gal.
Row 1 Headroom37.9 in38.6 in
Row 1 Shoulder Room52.2 in51.7 in
Row 1 Hip Room54.6 in53.4 in
Row 1 Legroom42.5 in42.6 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%
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%

Option Package Details
Porsche Boxster S

Bose, 445W, 10 speakers (with subwoofer)
FeatureValueRequested?
Bose, 445W, 10 speakers (with subwoofer)350No
Surround sound250Yes
Total Requested25042%
Total Not Requested35058%
7-speed automated manual
FeatureValueRequested?
7-speed automated manual0Yes
Steering-wheel-mounted transmission controls100Yes
Total Requested100100%
Total Not Requested00%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100No
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%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300No
Proximity key250No
Interior ambient lighting150Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50Yes
Automatic air recirculation100No
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Steering-linked headlights150No
Headlight washers50Yes
Total Requested110056%
Total Not Requested87544%
Infotainment Package
FeatureValueRequested?
App support0No
Satellite radio200Yes
DVD-Audio-compatible player0No
HD radio50No
USB port25Yes
Navigation system600Yes
Traffic information25No
Off-road navigation system0No
Media drive15No
Total Requested82590%
Total Not Requested9010%

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