Mercedes-Benz SLK Mercedes-Benz SLK 2012 Porsche 718 Boxster Porsche 718 Boxster 2017

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Mercedes-Benz SLK vs. Porsche 718 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 718 Boxster Invoice Comparison

Lowest Total Price: $77,315

Mercedes-Benz SLK SLK55 AMG   
Difference: $12,820

Calculate Payments

  Down Payment Interest Rate Term
Model Year20122017
ModelSLK718 Boxster
TrimSLK55 AMGS
Body2dr Hardtop conv.2dr Convertible
Base Price $67,500 $68,400
Multimedia Package 2,150  
Obstacle detection, rear 970  
Lighting Package 1,090  
Automatic climate control, front 760  
Metallic paint (extra cost) 720 640
Wind blocker, small 350  
Proximity key 650 790
Carbon fiber trim 2,250 1,535
Premium Package   1,370
Adaptive sport seats plus   3,825
Heated steering wheel   470
7-speed automated manual   3,200
Interior ambient lighting   340
Metal pedals   535
Torque vectoring, brake-based   1,320
Navigation system   1,730
Power-folding mirrors   320
Sport suspension (upgrade)   2,070
Dual-mode exhaust, switchable   2,540
Multimedia Package 2,000  
Obstacle detection, rear 902  
Lighting Package 1,014  
Automatic climate control, front 707  
Metallic paint (extra cost) 670 0
Wind blocker, small 326  
Proximity key 605 0
Carbon fiber trim 2,093 0
Premium Package   0
Adaptive sport seats plus   0
Heated steering wheel   0
7-speed automated manual   0
Interior ambient lighting   0
Metal pedals   0
Torque vectoring, brake-based   0
Navigation system   0
Power-folding mirrors   0
Sport suspension (upgrade)   0
Dual-mode exhaust, switchable   0
Options (change) 8,940 20,685
Options (change) 8,317 0
Destination 875 1,050
Total Price $77,315 $90,135

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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 718 Boxster

Lowest Adjusted Price: Mercedes-Benz SLK SLK55 AMG
Lowest Adjusted Invoice: Porsche 718 Boxster S
TrueDelta Adjusted Price Difference: $14,910
TrueDelta Adjusted Invoice Difference: $68,972
Model Year20122017
ModelSLK718 Boxster
TrimSLK55 AMGS
Body2dr Hardtop conv.2dr Convertible
Engine415hp V8350hp H4
TransmissionT7S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)19/28 MPG21/28 MPG
Audio (watts, speakers)500, 11110, 6
Tire (rear if not all the same)235/40-18235/40-19
Total Price$77,315$90,135
Adjustments for Features-2,0900
Feature-Adjusted Total Price$75,225$90,135

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Features Comparison: Mercedes-Benz SLK vs. Porsche 718 Boxster

Model Year20122017
ModelSLK718 Boxster
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 
Heated steering wheel $100
Parking guidance system - passive$250 
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 
Rearview camera $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 
Painted brake calipers (optional) $0
Power convertible top $4000
Power retractable hardtop$6750 
Rear spoiler$200 
Retractable rear spoiler $400
Infotainment 
CD changer, in-dash$325 
CD player $125
DVD-Audio-compatible player $0
DVD-compatible player$0 
Handwriting recognition $200
Media drive$15 
Media drive, small $5
Off-road navigation system $0
Surround sound$250 
Telematics service, such as OnStar$200 
Traffic + travel information$25 
Voice control for nav and audio$100 
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 
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 
Adaptive dampers - electrical $500
Total Value of Features$10,050$7,960
Value of Feature Adjustments$2,090$0
Value of Feature Adjustments-1,9450

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Specifications Comparison: Mercedes-Benz SLK vs. Porsche 718 Boxster

Model Year20122017
ModelSLK718 Boxster
Body2dr Hardtop conv.2dr Convertible
Wheelbase95.7 in97.4 in
Length162.8 in172.4 in
Width71.5 in70.9 in
Height51.2 in50.4 in
Curb Weight3,583 lb.3,054 lb.
Fuel Capacity15.9 gal.14.3 gal.
Row 1 Headroom38.0 in0.0 in
Row 1 Shoulder Room52.2 in0.0 in
Row 1 Legroom42.5 in0.0 in
Cargo Volume,
Minimum
6.4 ft39.7 ft3
Cargo Volume,
Maximum
10.1 ft39.7 ft3

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Option Package Details
Mercedes-Benz SLK SLK55 AMG

Multimedia Package
FeatureValueRequested?
Navigation system600Yes
CD changer, in-dash200No
DVD-compatible player0No
Voice control for nav and audio100No
Media drive, large15No
Traffic + travel information25No
SD Card slot25Yes
Total Requested62565%
Total Not Requested34035%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested700100%
Total Not Requested00%

Option Package Details
Porsche 718 Boxster S

Heated steering wheel
FeatureValueRequested?
Heated steering wheel100No
Audio controls on steering wheel125Yes
Total Requested12556%
Total Not Requested10044%
7-speed automated manual
FeatureValueRequested?
7-speed automated manual0Yes
Steering-wheel-mounted transmission controls100Yes
Total Requested100100%
Total Not Requested00%
Torque vectoring, brake-based
FeatureValueRequested?
Torque vectoring, brake-based100Yes
Limited-slip rear differential300No
Total Requested10025%
Total Not Requested30075%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Handwriting recognition200No
Total Requested60075%
Total Not Requested20025%
Sport suspension (upgrade)
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Adaptive dampers - electrical500No
Total Requested25033%
Total Not Requested50067%
Dual-mode exhaust, switchable
FeatureValueRequested?
Dual-mode exhaust, switchable500Yes
Sport exhaust0No
Total Requested500100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Residual heat50Yes
Automatic air recirculation100No
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Auto-dimming passenger-side mirror75No
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Steering-linked headlights150Yes
Headlight washers50Yes
Total Requested110086%
Total Not Requested17514%
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 length adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length 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
Front sport buckets100Yes
Total Requested120067%
Total Not Requested60033%

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