Mercedes-Benz SLK Mercedes-Benz SLK 2014 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: $78,320

Mercedes-Benz SLK SLK55 AMG   
Difference: $17,540

Calculate Payments

  Down Payment Interest Rate Term
Model Year20142016
ModelSLKBoxster
TrimSLK55 AMGSpyder
Body2dr Hardtop conv.2dr Convertible
Base Price $68,925 $82,100
Lighting Package 1,390  
Multimedia Package 2,150  
Automatic climate control, front 760 760
Metallic paint (extra cost) 720 710
Wind blocker, small 350  
Carbon fiber trim 2,250 445
Illuminated door sill trim plates 850 825
Auto-dimming mirrors   690
Adaptive sport seats plus   2,635
Voice control for nav and audio   520
Interior ambient lighting   340
Heated front seats   530
CD changer, in-dash   670
Bright-finished exhaust tip(s)   650
6-speed manual   0
Infotainment Package   3,990
Bose 505W 10 speakers   0
Lighting Package 1,293  
Multimedia Package 2,000  
Automatic climate control, front 707 0
Metallic paint (extra cost) 670 0
Wind blocker, small 326  
Carbon fiber trim 2,093 0
Illuminated door sill trim plates 791 0
Auto-dimming mirrors   0
Adaptive sport seats plus   0
Voice control for nav and audio   0
Interior ambient lighting   0
Heated front seats   0
CD changer, in-dash   0
Bright-finished exhaust tip(s)   0
6-speed manual   0
Infotainment Package   0
Bose 505W 10 speakers   0
Options (change) 8,470 12,765
Options (change) 7,880 0
Destination 925 995
Total Price $78,320 $95,860

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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: Mercedes-Benz SLK vs. Porsche Boxster

Lowest Adjusted Price: Mercedes-Benz SLK SLK55 AMG
Lowest Adjusted Invoice: Porsche Boxster Spyder
TrueDelta Adjusted Price Difference: $22,595
TrueDelta Adjusted Invoice Difference: $67,204
Model Year20142016
ModelSLKBoxster
TrimSLK55 AMGSpyder
Body2dr Hardtop conv.2dr Convertible
Engine415hp V8375hp H6
TransmissionT7M6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)19/28 MPG18/24 MPG
Audio (watts, speakers)500, 11445, 10
Tire (rear if not all the same)235/40-18235/35-20
Total Price$78,320$95,860
Adjustments for Features-5,0550
Feature-Adjusted Total Price$73,265$95,860

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Features Comparison: Mercedes-Benz SLK vs. Porsche Boxster

Model Year20142016
ModelSLKBoxster
TrimSLK55 AMGSpyder
Body2dr Hardtop conv.2dr Convertible
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
6-speed manual $150
RWD$0$0
Accessories 
Remote app$25 
Remote window/roof operation$15 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Driver drowsiness monitor$150 
Temporary spare tire$150 
Cargo Management 
Cargo net $40
Climate Control 
Automatic air recirculation $100
Water-repellent front-door glass $15
Drivetrain 
Electronically-variable engine mounts (performance-oriented) $500
Limited-slip rear differential $300
Engine / Motor 
Automatic start / stop$150 
Mid-engine configuration $0
Regenerative braking $0
Exterior 
Black exterior trim (optional) $0
Body kit$0 
Convertible top $3000
Glass roof panel(s)$300 
Painted brake calipers (optional) $0
Power retractable hardtop$6750 
Rear spoiler$200 
Retractable rear spoiler $400
Infotainment 
Audio controls on steering wheel$125 
DVD-Audio-compatible player $0
DVD-compatible player$0 
In-vehicle Internet$150 
Off-road navigation system $0
SD Card slot$25 
SMS text-to-speech reader$25 
Telematics service, such as OnStar, with navigation$225 
Traffic + travel information$25 
Traffic information $25
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror $75
Chronometer $100
Compass$0 
Headlight washers$50 
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
Mirror tilt-down in reverse$25 
Power-folding mirrors$50 
Steering-linked headlights$150 
Turn signals on or near mirrors$25 
Visor mirror, driver$10 
Visor mirror, passenger$10 
Seats and Interior Trim 
Leather door panel trim$250 
Leather-wrapped steering wheel$150 
Memory system, passenger seat$150 
Neck-level heating, front seats$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 door panel trim $250
Synthetic suede steering wheel $150
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$10,860$5,805
Value of Feature Adjustments$5,055$0
Value of Feature Adjustments-4,7060

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Specifications Comparison: Mercedes-Benz SLK vs. Porsche Boxster

Model Year20142016
ModelSLKBoxster
Body2dr Hardtop conv.2dr Convertible
Wheelbase95.7 in97.4 in
Length162.8 in172.2 in
Width71.5 in70.9 in
Height51.2 in50.5 in
Curb Weight3,583 lb.2,899 lb.
Fuel Capacity15.9 gal.16.9 gal.
Row 1 Headroom38.0 in38.6 in
Row 1 Shoulder Room52.2 in51.7 in
Row 1 Hip Room0.0 in53.4 in
Row 1 Legroom42.5 in42.6 in
Cargo Volume,
Minimum
6.4 ft39.9 ft3
Cargo Volume,
Maximum
10.1 ft39.9 ft3

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Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50No
Auto-dimming headlights200No
Total Requested50056%
Total Not Requested40044%
Multimedia Package
FeatureValueRequested?
CD changer, in-dash200Yes
DVD-compatible player0No
Media drive, large15Yes
Traffic + travel information25Yes
SD Card slot25No
In-vehicle Internet150No
App support0Yes
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested94084%
Total Not Requested17516%

Option Package Details
Porsche Boxster Spyder

Automatic climate control, front
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125Yes
Residual heat50Yes
Automatic air recirculation100No
Total Requested37579%
Total Not Requested10021%
Bose, 445W, 10 speakers (with subwoofer)
FeatureValueRequested?
Bose, 445W, 10 speakers (with subwoofer)350No
Surround sound250Yes
Total Requested25042%
Total Not Requested35058%
Auto-dimming mirrors
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested32581%
Total Not Requested7519%
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
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
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
Total Requested110065%
Total Not Requested60035%
Infotainment Package
FeatureValueRequested?
App support0Yes
Satellite radio200Yes
DVD-Audio-compatible player0Yes
HD radio50Yes
USB port25Yes
Navigation system600Yes
Traffic information25Yes
Off-road navigation system0No
Media drive15Yes
Total Requested915100%
Total Not Requested00%

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