Porsche Boxster Porsche Boxster 2006 Mercedes-Benz SLK Mercedes-Benz SLK 2008
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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: $68,695

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062008
ModelBoxsterSLK
TrimSSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $0 $63,200
Front sport buckets 0  
Navigation system 0 1,200
Metallic paint (extra cost)   710
Premium II Package   1,410
Front sport buckets 0  
Navigation system 0 1,116
Metallic paint (extra cost)   659
Premium II Package   1,311
Options (change) 0 3,320
Options (change) 0 3,086
Destination 0 875
Gas Tax 0 1,300
Total Price $0 $68,695

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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

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Porsche Boxster dealer quotes or Mercedes-Benz SLK 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: Porsche Boxster vs. Mercedes-Benz SLK

Lowest Adjusted Price and Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $51,245
TrueDelta Adjusted Invoice Difference: $47,770
Model Year20062008
ModelBoxsterSLK
TrimSSLK55 AMG
Body2dr Convertible2dr Hardtop conv.
Engine280hp H6355hp V8
TransmissionM6T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)19/27 MPG14/20 MPG
Audio (watts, speakers)230, 7380, 11
Tire (rear if not all the same)235/40-18225/40-18
Total Price$0$68,695
Adjustments for Features0-17,450
Feature-Adjusted Total Price$0$51,245

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Features Comparison: Porsche Boxster vs. Mercedes-Benz SLK

Model Year20062008
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 keyless entry $225
Remote window/roof operation $15
Tilt/telescoping steering wheel, power $350
Universal garage door opener $100
Wind blocker, small $100
Brakes, Airbags, and Other Safety 
4-wheel disc brakes $150
Antilock brakes (ABS) $400
Brake assist $50
Front side airbags $350
Knee airbag, driver $75
Knee airbag, passenger $75
Stability control $400
Tire-pressure monitor $75
Traction control $100
Cargo Management 
Console with shifter $150
Climate Control 
Air conditioning $900
Dual-zone climate control $125
Heated windshield washer nozzles $15
Interior air filter $0
Rain-sensing wipers $175
Rear defrost $200
Residual heat $50
Engine / Motor 
Mid-engine configuration$0 
Exterior 
Body kit $0
Bright-finished exhaust tip(s) $25
Power retractable hardtop $6750
Rear spoiler $200
Infotainment 
Audio controls on steering wheel $125
Aux input $50
Bluetooth cell phone link $100
CD player $125
Satellite radio $200
Surround sound $250
Telematics service, such as OnStar $200
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming driver-side mirror $75
Auto-dimming rearview mirror $150
Automatic headlights $125
Fog light, rear $100
Fog lights $125
Heated mirrors $25
Mirror tilt-down in reverse $25
Outside temperature display $50
Power mirrors $150
Tachometer $75
Trip computer $150
Turn signals on or near mirrors $25
Visor mirror, driver $10
Visor mirror, passenger $10
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
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$17,600
Value of Feature Adjustments$0$17,450
Value of Feature Adjustments0-16,267

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See a complete comparison of Porsche Boxster vs. Mercedes-Benz SLK features.

Specifications Comparison: Porsche Boxster vs. Mercedes-Benz SLK

Model Year20062008
ModelBoxsterSLK
Body2dr Convertible2dr Hardtop conv.
Wheelbase95.1 in95.7 in
Length170.4 in160.7 in
Width70.9 in70.4 in
Height51.0 in51.0 in
Curb Weight2,965 lb.3,420 lb.
Fuel Capacity17.0 gal.18.5 gal.
Row 1 Headroom38.4 in37.9 in
Row 1 Shoulder Room51.7 in52.2 in
Row 1 Hip Room53.4 in54.6 in
Row 1 Legroom41.6 in42.5 in
Cargo Volume,
Minimum		9.9 ft36.5 ft3
Cargo Volume,
Maximum		9.99.8 ft3

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See a complete comparison of Porsche Boxster vs. Mercedes-Benz SLK specs.

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Premium II Package
FeatureValueRequested?
Bluetooth cell phone link100No
Surround sound250No
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50No
Total Requested00%
Total Not Requested750100%

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