Porsche Boxster Porsche Boxster 2008 Mercedes-Benz SLS AMG Mercedes-Benz SLS AMG 2011

We are 103,000+ car owners sharing real-world car information.

Join Us

Porsche Boxster vs. Mercedes-Benz SLS AMG 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 SLS AMG Invoice Comparison

Lowest Total Price: $80,390

Porsche Boxster S   
Difference: $122,685

Lowest Total Invoice: $64,633

Porsche Boxster S   
Difference: $124,407

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082011
ModelBoxsterSLS AMG
TrimSBase
Body2dr Convertible2dr Coupe
Base Price $55,700 $183,000
Base Invoice $43,512 $170,190
Auto-dimming rearview mirror 690  
Adaptive Sports Seats 3,055  
Xenon HID headlights 1,090  
Metallic paint (extra cost) 690  
Automatic climate control, front 550  
Obstacle detection, rear 530  
Audio controls on steering wheel 990  
Navigation system 3,110  
Floor mats 115  
Heated front seats 480  
Upholstered instrument panel, leather 1,735  
Synthetic suede steering wheel 1,105 500
Carbon fiber trim 890 4,500
Ceramic brake rotors 8,150 12,500
CD changer, remote 650  
Auto-dimming rearview mirror 587  
Adaptive Sports Seats 2,597  
Xenon HID headlights 927  
Metallic paint (extra cost) 587  
Automatic climate control, front 468  
Obstacle detection, rear 451  
Audio controls on steering wheel 842  
Navigation system 2,644  
Floor mats 98  
Heated front seats 408  
Upholstered instrument panel, leather 1,475  
Synthetic suede steering wheel 939 465
Carbon fiber trim 757 4,185
Ceramic brake rotors 6,928 11,625
CD changer, remote 553  
Options (change) 23,830 17,500
Options (change) 20,261 16,275
Destination 860 875
Gas Tax 0 1,700
Total Price $80,390 $203,075
Total Invoice $64,633 $189,040

Return to top

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 SLS AMG 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 SLS AMG

Lowest Adjusted Price and Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $122,045
TrueDelta Adjusted Invoice Difference: $123,811
Model Year20082011
ModelBoxsterSLS AMG
TrimSBase
Body2dr Convertible2dr Coupe
Engine295hp H6563hp V8
TransmissionM6T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)230, 7?, 6
Tire (rear if not all the same)235/40-18265/35-19
Total Price$80,390$203,075
Adjustments for Features0-640
Feature-Adjusted Total Price$80,390$202,435
Total Invoice$64,633$189,040
Adjustments for Features0-596
Feature-Adjusted Total Invoice$64,633$188,444

Return to top

Features Comparison: Porsche Boxster vs. Mercedes-Benz SLS AMG

Model Year20082011
ModelBoxsterSLS AMG
TrimSBase
Body2dr Convertible2dr Coupe
Transmission and Drivetrain 
6-speed manual$150 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Proximity key $250
Remote window/roof operation $15
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Brake assist $50
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, front $150
Rearview camera $200
Roll bar$200 
Side curtain airbags $350
Cargo Management 
Storage compartment under front seat(s) $50
Climate Control 
Automatic air recirculation $100
Dual-zone climate control $125
Residual heat $50
Water-repellent front-door glass$15 
Wiper de-icer $25
Drivetrain 
Limited-slip rear differential $300
Engine / Motor 
Mid-engine configuration$0 
Exterior 
Bright-finished fuel door $100
Power convertible top$4000 
Infotainment 
Aux input $50
Bluetooth cell phone link $100
CD changer, in-dash $325
CD changer, remote$200 
CD player$125 
DVD-compatible player $0
HD radio $50
iPod integration $100
Media drive $15
MP3-compatible player $50
Satellite radio $200
SD Card slot $25
Telematics service, such as OnStar $200
Traffic information $25
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75 
Automatic headlights $125
Cornering lights $50
Fog lights$125 
Mirror tilt-down in reverse $25
Turn signals on or near mirrors $25
Seats and Interior Trim 
Door sill trim plates$100 
Memory system, passenger seat $150
Power 4-way lumbar adjuster, passenger seat $150
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Synthetic suede headliner $650
Transmission 
Launch control $100
Steering-wheel-mounted transmission controls $100
Total Value of Features$5,440$6,080
Value of Feature Adjustments$0$640
Value of Feature Adjustments0-596

Return to top

Specifications Comparison: Porsche Boxster vs. Mercedes-Benz SLS AMG

Model Year20082011
ModelBoxsterSLS AMG
Body2dr Convertible2dr Coupe
Wheelbase95.1 in105.5 in
Length170.4 in182.6 in
Width70.9 in76.3 in
Height51.0 in49.3 in
Curb Weight2,856 lb.3,574 lb.
Fuel Capacity17.0 gal.22.4 gal.
Row 1 Headroom38.4 in39.0 in
Row 1 Shoulder Room51.7 in58.4 in
Row 1 Hip Room53.4 in63.2 in
Row 1 Legroom41.6 in41.7 in
Cargo Volume9.9 ft36.2 ft3

Return to top

Option Package Details
Porsche Boxster S

Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100No
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
Total Requested105078%
Total Not Requested30022%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Porsche models.