Mercedes-Benz SLK Mercedes-Benz SLK 2015 Porsche Boxster Porsche Boxster 2007

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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: $71,455

Porsche Boxster S   
Difference: $6,220

Lowest Total Invoice: $62,099

Porsche Boxster S   
Difference: $10,205

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152007
ModelSLKBoxster
TrimSLK55 AMGS
Body2dr Hardtop conv.2dr Convertible
Base Price $70,900 $55,500
Base Invoice $65,937 $48,415
Becker Map Pilot 800  
Metallic paint (extra cost) 720  
Obstacle detection, rear 970 530
Automatic climate control, front 760 550
Carbon fiber trim 2,250 890
Wind blocker, small 350 375
Front sport buckets   760
Audio controls on steering wheel   990
Navigation system   3,070
5-speed shiftable automatic   3,000
Preferred Package Plus S   4,995
Becker Map Pilot 744  
Metallic paint (extra cost) 670  
Obstacle detection, rear 902 451
Automatic climate control, front 707 468
Carbon fiber trim 2,093 757
Wind blocker, small 326 319
Front sport buckets   646
Audio controls on steering wheel   842
Navigation system   2,610
5-speed shiftable automatic   2,550
Preferred Package Plus S   4,246
Options (change) 5,850 15,160
Options (change) 5,442 12,889
Destination 925 795
Total Price $77,675 $71,455
Total Invoice $72,304 $62,099

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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.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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

Lowest Adjusted Price: Mercedes-Benz SLK SLK55 AMG
Lowest Adjusted Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $460
TrueDelta Adjusted Invoice Difference: $3,987
Model Year20152007
ModelSLKBoxster
TrimSLK55 AMGS
Body2dr Hardtop conv.2dr Convertible
Engine415hp V8295hp H6
TransmissionT7T5
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)19/28 MPG20/27 MPG
Audio (watts, speakers)500, 11325, 11
Tire (rear if not all the same)235/40-18235/40-18
Total Price$77,675$71,455
Adjustments for Features-6,6800
Feature-Adjusted Total Price$70,995$71,455
Total Invoice$72,304$62,099
Adjustments for Features-6,2180
Feature-Adjusted Total Invoice$66,086$62,099

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Features Comparison: Mercedes-Benz SLK vs. Porsche Boxster

Model Year20152007
ModelSLKBoxster
TrimSLK55 AMGS
Body2dr Hardtop conv.2dr Convertible
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
5-speed manually-shiftable automatic $1000
RWD$0$0
Accessories 
Parking guidance system - passive$250 
Remote app$25 
Remote window/roof operation$15 
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Brake assist$50 
Driver drowsiness monitor$150 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Obstacle detection, front$150 
Side curtain airbags$350 
Torque vectoring, brake-based$100 
Cargo Management 
Cargo net $40
Climate Control 
Dual-zone climate control$125 
Residual heat$50 
Water-repellent front-door glass $15
Engine / Motor 
Automatic start / stop$150 
Dual-mode exhaust, switchable$500 
Mid-engine configuration $0
Exterior 
Body kit$0 
Glass roof panel(s)$300 
Power convertible top $4000
Power retractable hardtop$6750 
Rear spoiler$200 
Retractable rear spoiler $400
Infotainment 
Aux input$50 
Bluetooth audio streaming$25 
Bluetooth cell phone link$100 
CD changer, remote $200
HD radio$50 
MP3-compatible player$50 
Satellite radio$200 
SMS text-to-speech reader$25 
Telematics service, such as OnStar, with navigation$225 
Traffic information$25 
Voice control for nav and audio$100 
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror $75
Automatic headlights$125 
Compass$0 
Fog lights $125
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 
Memory system, passenger seat$150 
Neck-level heating, front seats$150 
Power 4-way lumbar adjuster, passenger seat$150 
Synthetic suede inserts in leather seating surfaces$0 
Suspension, Wheels, and Tires 
Sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$12,885$6,205
Value of Feature Adjustments$6,680$0
Value of Feature Adjustments-6,2180

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Specifications Comparison: Mercedes-Benz SLK vs. Porsche Boxster

Model Year20152007
ModelSLKBoxster
Body2dr Hardtop conv.2dr Convertible
Wheelbase95.7 in95.1 in
Length162.8 in170.4 in
Width71.5 in70.9 in
Height51.2 in51.0 in
Curb Weight3,583 lb.3,053 lb.
Fuel Capacity15.9 gal.17.0 gal.
Row 1 Headroom38.0 in38.4 in
Row 1 Shoulder Room52.2 in51.7 in
Row 1 Hip Room0.0 in53.4 in
Row 1 Legroom42.5 in41.6 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

Becker Map Pilot
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio100No
Traffic information25No
Total Requested60083%
Total Not Requested12517%

Option Package Details
Porsche Boxster S

Preferred Package Plus S
FeatureValueRequested?
CD changer, remote200No
Xenon HID headlights500Yes
Headlight washers50Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Surround sound250Yes
Bose, 325W, 11 speakers (with subwoofer)350No
Heated front seats200Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Floor mats75Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested225078%
Total Not Requested62522%

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