Mercedes-Benz SLK Mercedes-Benz SLK 2011 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: $58,575

Mercedes-Benz SLK SLK300   
Difference: $9,940

Calculate Payments

  Down Payment Interest Rate Term
Model Year20112011201620162016
ModelSLKSLKBoxsterBoxsterBoxster
TrimSLK300SLK350BaseSGTS
Body2dr Hardtop conv.2dr Hardtop conv.2dr Convertible2dr Convertible2dr Convertible
Base Price $47,650 $53,300 $52,100 $63,900 $74,600
Premium 1 Package 2,590 2,590      
Multimedia Package 2,890 2,890      
Wood trim 690 690 1,515 1,515  
Upgraded leather upholstery 630 630      
Lighting Package 1,070 1,070      
Metallic paint (extra cost) 720 720 710 710 710
Illuminated door sill trim plates 700 700 825 825 825
Automatic climate control, front 760 760      
Infotainment Package     3,990 3,990 3,990
Premium Package Plus     3,620 2,950 1,965
Power sport seats     2,320 2,320  
Wood/leather-wrapped steering wheel     1,250 1,250  
CD changer, in-dash     670 670 670
Voice control for nav and audio     520 520 520
Bose 505W 10 speakers       0  
Adaptive sport seats plus         3,025
Audio controls on steering wheel         165
Bright-finished exhaust tip(s)         650
Premium 1 Package 2,409 2,409      
Multimedia Package 2,688 2,688      
Wood trim 642 642 0 0  
Upgraded leather upholstery 586 586      
Lighting Package 995 995      
Metallic paint (extra cost) 670 670 0 0 0
Illuminated door sill trim plates 651 651 0 0 0
Automatic climate control, front 707 707      
Infotainment Package     0 0 0
Premium Package Plus     0 0 0
Power sport seats     0 0  
Wood/leather-wrapped steering wheel     0 0  
CD changer, in-dash     0 0 0
Voice control for nav and audio     0 0 0
Bose 505W 10 speakers       0  
Adaptive sport seats plus         0
Audio controls on steering wheel         0
Bright-finished exhaust tip(s)         0
Options (change) 10,050 10,050 15,420 14,750 12,520
Options (change) 9,348 9,348 0 0 0
Destination 875 875 995 995 995
Total Price $58,575 $64,225 $68,515 $79,645 $88,115

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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 SLK300
Lowest Adjusted Invoice: Porsche Boxster GTS
TrueDelta Adjusted Price Difference: $11,370
TrueDelta Adjusted Invoice Difference: $52,248
Model Year20112011201620162016
ModelSLKSLKBoxsterBoxsterBoxster
TrimSLK300SLK350BaseSGTS
Body2dr Hardtop conv.2dr Hardtop conv.2dr Convertible2dr Convertible2dr Convertible
Engine228hp V6300hp V6265hp H6315hp H6330hp H6
TransmissionM6T7M6M6M6
DrivetrainRWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 9?, 9185, 7445, 10445, 10
Tire (rear if not all the same)225/45-17225/40-18235/45-18235/40-19235/35-20
Total Price$58,575$64,225$68,515$79,645$88,115
Adjustments for Features-1,430-2,4800-500-3,250
Feature-Adjusted Total Price$57,145$61,745$68,515$79,145$84,865
Cost Above Minimum$0$4,600$0$10,630$16,350

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Features Comparison: Mercedes-Benz SLK vs. Porsche Boxster

Model Year20112011201620162016
ModelSLKSLKBoxsterBoxsterBoxster
TrimSLK300SLK350BaseSGTS
Body2dr Hardtop conv.2dr Hardtop conv.2dr Convertible2dr Convertible2dr Convertible
Transmission and Drivetrain 
6-speed manual$150 $150$150$150
7-speed manually-shiftable automatic $1200   
RWD$0$0$0$0$0
Accessories 
Heated steering wheel  $100$100 
Proximity key  $250$250$250
Remote window/roof operation$15$15   
Brakes, Airbags, and Other Safety 
Roll bar  $200$200$200
Side curtain airbags  $350$350$350
Temporary spare tire$150$150   
Cargo Management 
Cargo net  $40$40$40
Climate Control 
Automatic air recirculation  $100$100$100
Water-repellent front-door glass  $15$15$15
Drivetrain 
Electronically-variable engine mounts (performance-oriented)    $500
Engine / Motor 
Automatic start / stop  $150$150$150
Dual-mode exhaust, switchable    $500
Mid-engine configuration  $0$0$0
Regenerative braking  $0$0$0
Exterior 
Black exterior trim (optional)    $0
Body kit$0$0   
Painted brake calipers (optional)   $0$0
Power convertible top  $4000$4000$4000
Power retractable hardtop$6750$6750   
Rear spoiler$200$200   
Retractable rear spoiler  $400$400$400
Infotainment 
App support  $0$0$0
Bluetooth audio streaming  $25$25$25
DVD-Audio-compatible player  $0$0$0
DVD-compatible player$0$0   
iPod integration$100$100   
Off-road navigation system  $0$0$0
SD Card slot$25$25   
Surround sound   $250$250
Telematics service, such as OnStar$200$200   
USB port  $25$25$25
Instruments, Lights, and Mirrors 
Analog clock$25$25   
Auto-dimming passenger-side mirror  $75$75$75
Chronometer    $100
Cornering lights$50$50   
Fog lights$125$125   
Illuminated visor mirror, driver  $50$50$50
Illuminated visor mirror, passenger  $50$50$50
Mirror tilt-down in reverse$25$25   
Performance meter    $150
Steering-linked headlights  $150$150$150
Turn signals on or near mirrors$25$25   
Visor mirror, driver$10$10   
Visor mirror, passenger$10$10   
Seats and Interior Trim 
Cooled or ventilated front seats  $300$300 
Heated front seats  $200$200$200
Leather door panel trim$250$250 $250 
Leather-wrapped steering wheel    $150
Memory system, passenger seat$150$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$100$100
Power thigh support length adjuster, passenger seat  $100$100$100
Synthetic suede door panel trim    $250
Synthetic suede inserts in leather seating surfaces    $0
Upholstered instrument panel, leather    $1000
Wood trim$300$300$300$300 
Wood/leather-wrapped steering wheel$150$150$150$150 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical    $500
Electronic systems calibration selector    $200
Transmission 
Launch control    $100
Total Value of Features$8,710$9,760$7,280$7,780$10,530
Value of Feature Adjustments$1,430$2,480$0$500$3,250
Value of Feature Adjustments-1,331-2,3090-6-37

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Specifications Comparison: Mercedes-Benz SLK vs. Porsche Boxster

Model Year20112016
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 Weight3,210 lb.2,889 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 SLK300

Premium 1 Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Remote window/roof operation15No
Mirror tilt-down in reverse25No
Interior ambient lighting150Yes
iPod integration100Yes
Total Requested187591%
Total Not Requested1909%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Satellite radio200Yes
DVD-compatible player0No
Voice control for nav and audio100Yes
Traffic information25Yes
HD radio50Yes
Media drive, large15Yes
SD Card slot25No
Total Requested99098%
Total Not Requested252%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%

Option Package Details
Mercedes-Benz SLK SLK350

Premium 1 Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Remote window/roof operation15No
Mirror tilt-down in reverse25No
Interior ambient lighting150Yes
iPod integration100Yes
Total Requested187591%
Total Not Requested1909%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Satellite radio200Yes
DVD-compatible player0No
Voice control for nav and audio100Yes
Traffic information25Yes
HD radio50Yes
Media drive, large15Yes
SD Card slot25No
Total Requested99098%
Total Not Requested252%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%

Option Package Details
Porsche Boxster

Wood/leather-wrapped steering wheel
FeatureValueRequested?
Wood/leather-wrapped steering wheel150Yes
Audio controls on steering wheel125Yes
Heated steering wheel100No
Total Requested27573%
Total Not Requested10027%
Infotainment Package
FeatureValueRequested?
Unbranded, 185W, 7 speakers350No
App support0No
USB port25Yes
Satellite radio200Yes
DVD-Audio-compatible player0Yes
HD radio50Yes
Off-road navigation system0No
Media drive15Yes
Navigation system600Yes
Traffic information25Yes
Total Requested91572%
Total Not Requested35028%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300No
Proximity key250No
Interior ambient lighting150Yes
Residual heat50Yes
Automatic air recirculation100No
Automatic climate control, front200Yes
Heated front seats200No
Dual-zone climate control125Yes
Auto-dimming passenger-side mirror75No
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested140057%
Total Not Requested107543%
Power sport seats
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
Total Requested110085%
Total Not Requested20015%

Option Package Details
Porsche Boxster S

Bose, 445W, 10 speakers (with subwoofer)
FeatureValueRequested?
Bose, 445W, 10 speakers (with subwoofer)350No
Surround sound250No
Total Requested00%
Total Not Requested600100%
Wood/leather-wrapped steering wheel
FeatureValueRequested?
Wood/leather-wrapped steering wheel150Yes
Audio controls on steering wheel125Yes
Heated steering wheel100No
Total Requested27573%
Total Not Requested10027%
Infotainment Package
FeatureValueRequested?
App support0No
USB port25Yes
Satellite radio200Yes
DVD-Audio-compatible player0Yes
HD radio50Yes
Off-road navigation system0No
Media drive15Yes
Navigation system600Yes
Traffic information25Yes
Total Requested915100%
Total Not Requested00%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300No
Proximity key250No
Interior ambient lighting150Yes
Residual heat50Yes
Automatic air recirculation100No
Automatic climate control, front200Yes
Heated front seats200No
Dual-zone climate control125Yes
Auto-dimming passenger-side mirror75No
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Steering-linked headlights150No
Headlight washers50Yes
Total Requested90046%
Total Not Requested107554%
Power sport seats
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
Total Requested110085%
Total Not Requested20015%

Option Package Details
Porsche Boxster GTS

Infotainment Package
FeatureValueRequested?
Surround sound250No
Performance meter150No
App support0No
Bose, 445W, 10 speakers (with subwoofer)350No
USB port25Yes
Satellite radio200Yes
DVD-Audio-compatible player0Yes
HD radio50Yes
Off-road navigation system0No
Media drive15Yes
Navigation system600Yes
Traffic information25Yes
Total Requested91555%
Total Not Requested75045%
Premium Package Plus
FeatureValueRequested?
Proximity key250No
Interior ambient lighting150Yes
Residual heat50Yes
Automatic air recirculation100No
Automatic climate control, front200Yes
Heated front seats200No
Dual-zone climate control125Yes
Auto-dimming passenger-side mirror75No
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Total Requested85058%
Total Not Requested62542%
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
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
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Total Requested110065%
Total Not Requested60035%

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