Porsche Boxster Porsche Boxster 2007 Mercedes-Benz SLK Mercedes-Benz SLK 2012

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Porsche Boxster vs. Mercedes-Benz SLK 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.

Porsche Boxster vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $71,455

Porsche Boxster S   
Difference: $5,210

Lowest Total Invoice: $62,099

Porsche Boxster S   
Difference: $9,263

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072012
ModelBoxsterSLK
TrimSSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $55,500 $67,500
Base Invoice $48,415 $62,775
Front sport buckets 760  
Audio controls on steering wheel 990  
Navigation system 3,070  
Wind blocker, small 375 350
Automatic climate control, front 550 760
Obstacle detection, rear 530 970
Carbon fiber trim 890 2,250
5-speed shiftable automatic 3,000  
Preferred Package Plus S 4,995  
Lighting Package   1,090
Multimedia Package   2,150
Metallic paint (extra cost)   720
Front sport buckets 646  
Audio controls on steering wheel 842  
Navigation system 2,610  
Wind blocker, small 319 326
Automatic climate control, front 468 707
Obstacle detection, rear 451 902
Carbon fiber trim 757 2,093
5-speed shiftable automatic 2,550  
Preferred Package Plus S 4,246  
Lighting Package   1,014
Multimedia Package   2,000
Metallic paint (extra cost)   670
Options (change) 15,160 8,290
Options (change) 12,889 7,712
Destination 795 875
Total Price $71,455 $76,665
Total Invoice $62,099 $71,362

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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 Porsche Boxster dealer quotes or Mercedes-Benz SLK dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price: Mercedes-Benz SLK SLK55 AMG
Lowest Adjusted Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $1,135
TrueDelta Adjusted Invoice Difference: $3,357
Model Year20072012
ModelBoxsterSLK
TrimSSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Engine295hp H6415hp V8
TransmissionT5T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)20/27 MPG19/28 MPG
Audio (watts, speakers)325, 11500, 11
Tire (rear if not all the same)235/40-18235/40-18
Total Price$71,455$76,665
Adjustments for Features0-6,345
Feature-Adjusted Total Price$71,455$70,320
Total Invoice$62,099$71,362
Adjustments for Features0-5,906
Feature-Adjusted Total Invoice$62,099$65,456

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Features Comparison: Porsche Boxster vs. Mercedes-Benz SLK

Model Year20072012
ModelBoxsterSLK
TrimSSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
7-speed manually-shiftable automatic $1200
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
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, in-dash $325
CD changer, remote$200 
CD player$125 
DVD-compatible player $0
HD radio $50
Media drive $15
MP3-compatible player $50
Satellite radio $200
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 
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$6,330$12,675
Value of Feature Adjustments$0$6,345
Value of Feature Adjustments0-5,906

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Specifications Comparison: Porsche Boxster vs. Mercedes-Benz SLK

Model Year20072012
ModelBoxsterSLK
Body2dr Convertible2dr Hardtop conv.
Wheelbase95.1 in95.7 in
Length170.4 in162.8 in
Width70.9 in71.5 in
Height51.0 in51.2 in
Curb Weight3,053 lb.3,583 lb.
Fuel Capacity17.0 gal.15.9 gal.
Row 1 Headroom38.4 in38.0 in
Row 1 Shoulder Room51.7 in52.2 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 in42.5 in
Cargo Volume,
Minimum
9.9 ft36.4 ft3
Cargo Volume,
Maximum
9.910.1 ft3

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Option Package Details
Porsche Boxster S

Preferred Package Plus S
FeatureValueRequested?
CD changer, remote200Yes
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 Requested245085%
Total Not Requested42515%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Automatic climate control, front
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125No
Total Requested20062%
Total Not Requested12538%
Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Parking guidance system - passive250No
Total Requested25038%
Total Not Requested40062%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested55079%
Total Not Requested15021%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
CD changer, in-dash200Yes
DVD-compatible player0No
Voice control for nav and audio100No
Media drive, large15No
Traffic + travel information25No
SD Card slot25No
Total Requested80083%
Total Not Requested16517%

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