Mercedes-Benz SLK Mercedes-Benz SLK 2016 Porsche Boxster Porsche Boxster 2015

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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: $82,040

Mercedes-Benz SLK AMG SLK55   
Difference: $8,105

Calculate Payments

  Down Payment Interest Rate Term
Model Year20162015
ModelSLKBoxster
TrimAMG SLK55S
Body2dr Hardtop conv.2dr Convertible
Base Price $72,600 $63,300
Premium 2 Package 3,050  
Premium 3 Package 1,295  
Carbon fiber trim 2,250 1,515
Illuminated door sill trim plates 850 825
Wind blocker, small 350  
Metallic paint (extra cost) 720 710
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
Power-folding mirrors   320
Obstacle detection, front   330
Obstacle detection, rear   530
Auto-dimming headlights   520
Voice control for nav and audio   520
Torque vectoring, brake-based   1,320
Adaptive dampers - electrical   1,790
Dual-mode exhaust, switchable   2,890
Audio controls on steering wheel   615
Premium 2 Package 2,837  
Premium 3 Package 1,204  
Carbon fiber trim 2,093 0
Illuminated door sill trim plates 791 0
Wind blocker, small 326  
Metallic paint (extra cost) 670 0
Adaptive sport seats plus   0
Premium Package Plus   0
Infotainment Package   0
Bose 505W 10 speakers   0
7-speed automated manual   0
Power-folding mirrors   0
Obstacle detection, front   0
Obstacle detection, rear   451
Auto-dimming headlights   0
Voice control for nav and audio   0
Torque vectoring, brake-based   0
Adaptive dampers - electrical   0
Dual-mode exhaust, switchable   0
Audio controls on steering wheel   0
Options (change) 8,515 25,850
Options (change) 7,921 451
Destination 925 995
Total Price $82,040 $90,145

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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 AMG SLK55
Lowest Adjusted Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $11,485
TrueDelta Adjusted Invoice Difference: $71,772
Model Year20162015
ModelSLKBoxster
TrimAMG SLK55S
Body2dr Hardtop conv.2dr Convertible
Engine415hp V8315hp H6
TransmissionT7S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)19/28 MPG21/30 MPG
Audio (watts, speakers)500, 11445, 10
Tire (rear if not all the same)235/40-18235/40-19
Total Price$82,040$90,145
Adjustments for Features-3,3800
Feature-Adjusted Total Price$78,660$90,145

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Features Comparison: Mercedes-Benz SLK vs. Porsche Boxster

Model Year20162015
ModelSLKBoxster
TrimAMG SLK55S
Body2dr Hardtop conv.2dr Convertible
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
7-speed automated manual $1200
RWD$0$0
Accessories 
Remote app$25 
Remote window/roof operation$15 
Semi-automated parking system$500 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Blind spot warning system$200 
Driver drowsiness monitor$150 
Lane departure warning$200 
Temporary spare tire$150 
Cargo Management 
Cargo net $40
Climate Control 
Automatic air recirculation $100
Water-repellent front-door glass $15
Drivetrain 
Limited-slip rear differential $300
Engine / Motor 
Mid-engine configuration $0
Regenerative braking $0
Exterior 
Body kit$0 
Glass roof panel(s)$300 
Painted brake calipers (optional) $0
Power convertible top $4000
Power retractable hardtop$6750 
Rear spoiler$200 
Retractable rear spoiler $400
Infotainment 
DVD-Audio-compatible player $0
DVD-compatible player$0 
In-vehicle Internet$150 
Navigation map updates, three years$0 
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 passenger-side mirror $75
Compass$0 
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 
Cooled or ventilated front seats $300
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 inserts in leather seating surfaces$0 
Suspension, Wheels, and Tires 
Sport suspension (upgrade)$0 
Total Value of Features$10,535$7,155
Value of Feature Adjustments$3,380$0
Value of Feature Adjustments-3,1460

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Specifications Comparison: Mercedes-Benz SLK vs. Porsche Boxster

Model Year20162015
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 Weight3,528 lb.2,976 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 AMG SLK55

Premium 2 Package
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125Yes
Blind spot warning system200No
Traffic + travel information25Yes
SD Card slot25No
In-vehicle Internet150No
App support0Yes
Navigation map updates, three years0No
DVD-compatible player0No
Media drive15Yes
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested106574%
Total Not Requested37526%
Premium 3 Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Lane departure warning system200No
Parking guidance system - active500No
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Total Requested90056%
Total Not Requested70044%

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%
Torque vectoring / active trace control
FeatureValueRequested?
Torque vectoring / active trace control100Yes
Limited-slip rear differential300No
Total Requested10025%
Total Not Requested30075%
Dual-mode exhaust, switchable
FeatureValueRequested?
Dual-mode exhaust, switchable500Yes
Sport exhaust0No
Total Requested500100%
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 key250Yes
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 headlights150Yes
Headlight washers50Yes
Total Requested150076%
Total Not Requested47524%
Infotainment Package
FeatureValueRequested?
Satellite radio200Yes
DVD-Audio-compatible player0Yes
HD radio50Yes
USB port25Yes
Navigation system600Yes
Traffic information25Yes
Off-road navigation system0No
Media drive15Yes
App support0Yes
Total Requested915100%
Total Not Requested00%

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