Porsche Boxster Porsche Boxster 2008 Mercedes-Benz SLS AMG Mercedes-Benz SLS AMG 2015

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: $83,105

Porsche Boxster S   
Difference: $165,000

Lowest Total Invoice: $66,941

Porsche Boxster S   
Difference: $164,008

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082015
ModelBoxsterSLS AMG
TrimSGT Final Edition
Body2dr Convertible2dr Convertible
Base Price $55,700 $228,080
Base Invoice $43,512 $212,114
Adaptive Sports Seats 3,055  
Xenon HID headlights 1,090  
Auto-dimming rearview mirror 690  
Metallic paint (extra cost) 690  
Navigation system 3,110  
Synthetic suede steering wheel 1,105  
Upholstered instrument panel, leather 1,735  
Obstacle detection, rear 530  
Automatic climate control, front 550  
Audio controls on steering wheel 990  
Floor mats 115  
Carbon fiber trim 890  
Adaptive dampers - electrical 1,990  
Heated front seats 480  
Ceramic brake rotors 8,150 12,500
CD changer, remote 650  
Illuminated door sill trim plates 725  
Carbon fiber door sill trim plates   4,500
Adaptive Sports Seats 2,597  
Xenon HID headlights 927  
Auto-dimming rearview mirror 587  
Metallic paint (extra cost) 587  
Navigation system 2,644  
Synthetic suede steering wheel 939  
Upholstered instrument panel, leather 1,475  
Obstacle detection, rear 451  
Automatic climate control, front 468  
Audio controls on steering wheel 842  
Floor mats 98  
Carbon fiber trim 757  
Adaptive dampers - electrical 1,692  
Heated front seats 408  
Ceramic brake rotors 6,928 11,625
CD changer, remote 553  
Illuminated door sill trim plates 616  
Carbon fiber door sill trim plates   4,185
Options (change) 26,545 17,000
Options (change) 22,569 15,810
Destination 860 925
Gas Tax 0 2,100
Total Price $83,105 $248,105
Total Invoice $66,941 $230,949

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: $159,560
TrueDelta Adjusted Invoice Difference: $158,944
Model Year20082015
ModelBoxsterSLS AMG
TrimSGT Final Edition
Body2dr Convertible2dr Convertible
Engine295hp H6583hp 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$83,105$248,105
Adjustments for Features0-5,440
Feature-Adjusted Total Price$83,105$242,665
Total Invoice$66,941$230,949
Adjustments for Features0-5,064
Feature-Adjusted Total Invoice$66,941$225,885

Return to top

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

Model Year20082015
ModelBoxsterSLS AMG
TrimSGT Final Edition
Body2dr Convertible2dr Convertible
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 
Blind spot warning system $200
Brake assist $50
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, front $150
Rearview camera $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
Carbon fiber front splitter spoiler $300
Carbon fiber hood $0
Carbon fiber wing-type rear spoiler $400
Painted brake calipers (optional) $0
Retractable rear spoiler$400 
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 
Carbon fiber door sill trim plates $200
Illuminated door sill trim plates$200 
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
Synthetic suede inserts in leather seating surfaces $0
Suspension, Wheels, and Tires 
Alloy wheels$350 
Polished alloy wheels $350
Sport suspension (upgrade) $0
Transmission 
Launch control $100
Steering-wheel-mounted transmission controls $100
Total Value of Features$2,090$7,530
Value of Feature Adjustments$0$5,440
Value of Feature Adjustments0-5,064

Return to top

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

Model Year20082015
ModelBoxsterSLS AMG
Body2dr Convertible2dr Convertible
Wheelbase95.1 in105.5 in
Length170.4 in182.6 in
Width70.9 in76.3 in
Height51.0 in49.7 in
Curb Weight2,856 lb.3,793 lb.
Fuel Capacity17.0 gal.22.5 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 ft36.1 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 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
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver 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.