Porsche Boxster Porsche Boxster 2006 Mercedes-Benz SLK Mercedes-Benz SLK 2015

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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: $0

Porsche Boxster S   
Difference: $73,345

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062015
ModelBoxsterSLK
TrimSSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $0 $70,900
Front sport buckets 0  
Navigation system 0  
Becker Map Pilot   800
Metallic paint (extra cost)   720
Front sport buckets 0  
Navigation system 0  
Becker Map Pilot   744
Metallic paint (extra cost)   670
Options (change) 0 1,520
Options (change) 0 1,414
Destination 0 925
Total Price $0 $73,345

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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 and Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $53,070
TrueDelta Adjusted Invoice Difference: $49,402
Model Year20062015
ModelBoxsterSLK
TrimSSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Engine280hp H6415hp V8
TransmissionM6T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)19/27 MPG19/28 MPG
Audio (watts, speakers)230, 7500, 11
Tire (rear if not all the same)235/40-18235/40-18
Total Price$0$73,345
Adjustments for Features0-20,275
Feature-Adjusted Total Price$0$53,070

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Features Comparison: Porsche Boxster vs. Mercedes-Benz SLK

Model Year20062015
ModelBoxsterSLK
TrimSSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Cruise control $150
Power front side windows $250
Power locks $275
Remote app $25
Remote keyless entry $225
Remote window/roof operation $15
Tilt/telescoping steering wheel, power $350
Universal garage door opener $100
Brakes, Airbags, and Other Safety 
4-wheel disc brakes $150
Active or whiplash-reducing head restraints, front seats $0
Antilock brakes (ABS) $400
Brake assist $50
Driver drowsiness monitor $150
Front side airbags $350
Knee airbag, driver $75
Knee airbag, passenger $75
Roll bar $200
Side curtain airbags $350
Stability control $400
Tire-pressure monitor $75
Torque vectoring, brake-based $100
Traction control $100
Cargo Management 
Console with shifter $150
Climate Control 
Air conditioning $900
Heated windshield washer nozzles $15
Interior air filter $0
Rain-sensing wipers $175
Rear defrost $200
Residual heat $50
Engine / Motor 
Automatic start / stop $150
Dual-mode exhaust, switchable $500
Mid-engine configuration$0 
Exterior 
Body kit $0
Bright-finished exhaust tip(s) $25
Glass roof panel(s) $300
Power retractable hardtop $6750
Rear spoiler $200
Infotainment 
Audio controls on steering wheel $125
Aux input $50
Bluetooth audio streaming $25
Bluetooth cell phone link $100
CD player $125
HD radio $50
MP3-compatible player $50
Satellite radio $200
SMS text-to-speech reader $25
Surround sound $250
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 driver-side mirror $75
Auto-dimming headlights $200
Auto-dimming rearview mirror $150
Automatic headlights $125
Compass $0
Fog light, rear $100
Headlight washers $50
Heated mirrors $25
Mirror tilt-down in reverse $25
Outside temperature display $50
Power mirrors $150
Power-folding mirrors $50
Steering-linked headlights $150
Tachometer $75
Trip computer $150
Turn signals on or near mirrors $25
Visor mirror, driver $10
Visor mirror, passenger $10
Xenon HID headlights $500
Seats and Interior Trim 
Aluminum trim $100
Center armrest(s), front row $75
Floor mats $75
Heated front seats $200
Leather-wrapped steering wheel $150
Memory system, driver seat $200
Memory system, passenger seat $150
Neck-level heating, front seats $150
Power 4-way lumbar adjuster, driver seat $150
Power 4-way lumbar adjuster, passenger seat $150
Power fore-aft adjuster, driver seat $100
Power fore-aft adjuster, passenger seat $100
Power height adjuster, driver seat $100
Power height adjuster, passenger seat $100
Power recliner, driver seat $100
Power recliner, passenger seat $100
Power tilt adjuster, driver seat $100
Power tilt adjuster, passenger seat $100
Synthetic suede inserts in leather seating surfaces $0
Suspension, Wheels, and Tires 
Alloy wheels $350
Sport suspension (upgrade) $0
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$150$20,425
Value of Feature Adjustments$0$20,275
Value of Feature Adjustments0-18,874

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Specifications Comparison: Porsche Boxster vs. Mercedes-Benz SLK

Model Year20062015
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 Weight2,965 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
Mercedes-Benz SLK SLK55 AMG

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

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