Mercedes-Benz SLK Mercedes-Benz SLK 2008 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: $69,920

Porsche 718 Boxster   
Difference: $880

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082017
ModelSLK718 Boxster
TrimSLK55 AMGBase
Body2dr Hardtop conv.2dr Convertible
Base Price $63,200 $56,000
Lighting Package 1,010  
Metallic paint (extra cost) 710 640
iPod integration 375  
Automatic climate control, front 720  
Navigation system 1,200 1,730
Premium II Package 1,410  
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
Aluminum trim   760
Lighting Package 939  
Metallic paint (extra cost) 659 0
iPod integration 349  
Automatic climate control, front 670  
Navigation system 1,116 0
Premium II Package 1,311  
Premium Package   0
Adaptive sport seats plus   0
Heated steering wheel   0
7-speed automated manual   0
Interior ambient lighting   0
Metal pedals   0
Aluminum trim   0
Options (change) 5,425 12,870
Options (change) 5,044 0
Destination 875 1,050
Gas Tax 1,300 0
Total Price $70,800 $69,920

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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 718 Boxster dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Mercedes-Benz SLK vs. Porsche 718 Boxster

Lowest Adjusted Price and Invoice: Porsche 718 Boxster
TrueDelta Adjusted Price Difference: $55
TrueDelta Adjusted Invoice Difference: $64,176
Model Year20082017
ModelSLK718 Boxster
TrimSLK55 AMGBase
Body2dr Hardtop conv.2dr Convertible
Engine355hp V8300hp H4
TransmissionT7S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)14/20 MPG22/30 MPG
Audio (watts, speakers)380, 11110, 6
Tire (rear if not all the same)225/40-18235/45-18
Total Price$70,800$69,920
Adjustments for Features-8250
Feature-Adjusted Total Price$69,975$69,920

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

Model Year20082017
ModelSLK718 Boxster
TrimSLK55 AMGBase
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
Remote window/roof operation$15 
Brakes, Airbags, and Other Safety 
Obstacle detection, front $150
Obstacle detection, rear $250
Rearview camera $200
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 
Power convertible top $4000
Power retractable hardtop$6750 
Rear spoiler$200 
Retractable rear spoiler $400
Infotainment 
Bluetooth audio streaming $25
DVD-Audio-compatible player $0
Handwriting recognition $200
HD radio $50
iPod integration$100 
Media drive, small $5
MP3-compatible player $50
Off-road navigation system $0
SD Card slot $25
Surround sound$250 
Telematics service, such as OnStar$200 
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 
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 
Suspension, Wheels, and Tires 
Sport suspension (upgrade)$0 
Total Value of Features$9,285$8,460
Value of Feature Adjustments$825$0
Value of Feature Adjustments-7690

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

Model Year20082017
ModelSLK718 Boxster
Body2dr Hardtop conv.2dr Convertible
Wheelbase95.7 in97.4 in
Length160.7 in172.4 in
Width70.4 in70.9 in
Height51.0 in50.4 in
Curb Weight3,420 lb.3,010 lb.
Fuel Capacity18.5 gal.14.3 gal.
Row 1 Headroom37.9 in0.0 in
Row 1 Shoulder Room52.2 in0.0 in
Row 1 Hip Room54.6 in0.0 in
Row 1 Legroom42.5 in0.0 in
Cargo Volume,
Minimum
6.5 ft39.7 ft3
Cargo Volume,
Maximum
9.8 ft39.7 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 sound250No
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Total Requested15020%
Total Not Requested60080%

Option Package Details
Porsche 718 Boxster

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%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Handwriting recognition200No
Total Requested60075%
Total Not Requested20025%
Premium Package
FeatureValueRequested?
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 Requested95075%
Total Not Requested32525%
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 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
Front sport buckets100Yes
Total Requested120067%
Total Not Requested60033%

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