Porsche Boxster Porsche Boxster 2008 Mercedes-Benz SL Mercedes-Benz SL 2012

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Porsche Boxster vs. Mercedes-Benz SL 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 SL Invoice Comparison

Lowest Total Price: $75,330

Porsche Boxster S   
Difference: $70,765

Lowest Total Invoice: $60,332

Porsche Boxster S   
Difference: $75,779

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082012
ModelBoxsterSL
TrimSSL63 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $55,700 $140,440
Base Invoice $43,512 $130,609
Adaptive Sports Seats 3,055  
Auto-dimming rearview mirror 690  
Xenon HID headlights 1,090  
Adaptive dampers - electrical 1,990  
Metallic paint (extra cost) 690  
Synthetic suede steering wheel 1,105  
Navigation system 3,110  
Upholstered instrument panel, leather 1,735  
Automatic climate control, front 550  
Audio controls on steering wheel 990  
Wind blocker, small 375  
Floor mats 115  
Heated front seats 480  
Wood trim 890 0
Obstacle detection, rear 530 1,180
Illuminated door sill trim plates 725 1,000
CD changer, remote 650  
Adaptive Sports Seats 2,597  
Auto-dimming rearview mirror 587  
Xenon HID headlights 927  
Adaptive dampers - electrical 1,692  
Metallic paint (extra cost) 587  
Synthetic suede steering wheel 939  
Navigation system 2,644  
Upholstered instrument panel, leather 1,475  
Automatic climate control, front 468  
Audio controls on steering wheel 842  
Wind blocker, small 319  
Floor mats 98  
Heated front seats 408  
Wood trim 757 0
Obstacle detection, rear 451 1,097
Illuminated door sill trim plates 616 930
CD changer, remote 553  
Options (change) 18,770 2,180
Options (change) 15,960 2,027
Destination 860 875
Gas Tax 0 2,600
Total Price $75,330 $146,095
Total Invoice $60,332 $136,111

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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 SL dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $58,715
TrueDelta Adjusted Invoice Difference: $64,552
Model Year20082012
ModelBoxsterSL
TrimSSL63 AMG
Body2dr Convertible2dr Hardtop conv.
Engine295hp H6518hp V8
TransmissionM6T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)18/26 MPG12/19 MPG
Audio (watts, speakers)230, 7510, 10
Tire (rear if not all the same)235/40-18255/35-19
Total Price$75,330$146,095
Adjustments for Features0-12,050
Feature-Adjusted Total Price$75,330$134,045
Total Invoice$60,332$136,111
Adjustments for Features0-11,227
Feature-Adjusted Total Invoice$60,332$124,884

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Features Comparison: Porsche Boxster vs. Mercedes-Benz SL

Model Year20082012
ModelBoxsterSL
TrimSSL63 AMG
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Power trunk closer $350
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 
Active or whiplash-reducing head restraints, front seats $0
Auto-raising roll bars / headrests $500
Brake assist $50
Knee airbag, driver $75
Obstacle detection, front $150
Roll bar$200 
Temporary spare tire $150
Cargo Management 
Air-conditioned storage compartment $50
Cargo net$40 
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
Engine / Motor 
Mid-engine configuration$0 
Exterior 
Body kit $0
Power convertible top$4000 
Power retractable hardtop $6750
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
Surround sound $250
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
Mirror tilt-down in reverse $25
Steering-linked headlights $150
Turn signals on or near mirrors $25
Seats and Interior Trim 
Cooled or ventilated front seats $300
Massage, driver seat $100
Massage, passenger seat $100
Memory system, passenger seat $150
Neck-level heating, front seats $150
Power 4-way lumbar adjuster, passenger seat $150
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Power thigh support length adjuster, driver seat $100
Power thigh support length adjuster, passenger seat $100
Synthetic suede headliner $650
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000
Sport suspension (upgrade) $0
Transmission 
Launch control $100
Steering-wheel-mounted transmission controls $100
Total Value of Features$6,155$18,205
Value of Feature Adjustments$0$12,050
Value of Feature Adjustments0-11,227

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Specifications Comparison: Porsche Boxster vs. Mercedes-Benz SL

Model Year20082012
ModelBoxsterSL
Body2dr Convertible2dr Hardtop conv.
Wheelbase95.1 in100.8 in
Length170.4 in180.4 in
Width70.9 in71.5 in
Height51.0 in51.1 in
Curb Weight2,965 lb.4,274 lb.
Fuel Capacity17.0 gal.21.1 gal.
Row 1 Headroom38.4 in37.7 in
Row 1 Shoulder Room51.7 in54.0 in
Row 1 Hip Room53.4 in53.9 in
Row 1 Legroom41.6 in42.9 in
Cargo Volume,
Minimum
9.9 ft37.2 ft3
Cargo Volume,
Maximum
9.910.2 ft3

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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 buckets100Yes
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
Power 4-way lumbar adjuster, driver seat150Yes
Power fore-aft adjuster, passenger seat100Yes
Total Requested115085%
Total Not Requested20015%

Option Package Details
Mercedes-Benz SL SL63 AMG

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Total Requested25063%
Total Not Requested15037%

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