Porsche Boxster Porsche Boxster 2014 Mercedes-Benz SL Mercedes-Benz SL 2009

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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: $84,590

Porsche Boxster S   
Difference: $58,685

Calculate Payments

  Down Payment Interest Rate Term
Model Year20142009
ModelBoxsterSL
TrimSSL600
Body2dr Convertible2dr Hardtop conv.
Base Price $62,100 $139,100
Premium Package Plus 3,240  
Adaptive sport seats plus 3,825  
Infotainment Package 3,990  
Bose 505W 10 speakers 0  
Adaptive dampers - electrical 1,790  
Metallic paint (extra cost) 710  
Obstacle detection, rear 530  
Obstacle detection, front 330  
Wood/leather-wrapped steering wheel 1,250  
Wood trim 1,790  
CD changer, in-dash 670  
Upholstered instrument panel, leather 2,025  
Voice control for nav and audio 520  
Illuminated door sill trim plates 825 700
6-speed manual 0  
Premium Package Plus 0  
Adaptive sport seats plus 0  
Infotainment Package 0  
Bose 505W 10 speakers 0  
Adaptive dampers - electrical 0  
Metallic paint (extra cost) 0  
Obstacle detection, rear 451  
Obstacle detection, front 0  
Wood/leather-wrapped steering wheel 0  
Wood trim 0  
CD changer, in-dash 0  
Upholstered instrument panel, leather 0  
Voice control for nav and audio 0  
Illuminated door sill trim plates 0 651
6-speed manual 0  
Options (change) 21,495 700
Options (change) 451 651
Destination 995 875
Gas Tax 0 2,600
Total Price $84,590 $143,275

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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: $50,075
TrueDelta Adjusted Invoice Difference: $124,021
Model Year20142009
ModelBoxsterSL
TrimSSL600
Body2dr Convertible2dr Hardtop conv.
Engine315hp H6510hp V12
TransmissionM6T5
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)20/28 MPG11/18 MPG
Audio (watts, speakers)445, 10510, 10
Tire (rear if not all the same)235/40-19255/40-18
Total Price$84,590$143,275
Adjustments for Features0-8,610
Feature-Adjusted Total Price$84,590$134,665

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Features Comparison: Porsche Boxster vs. Mercedes-Benz SL

Model Year20142009
ModelBoxsterSL
TrimSSL600
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150 
5-speed manually-shiftable automatic $1000
RWD$0$0
Accessories 
Heated steering wheel$100 
Power trunk closer $350
Remote window/roof operation $15
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Auto-raising roll bars / headrests $500
Knee airbag, passenger$75 
Roll bar$200 
Side curtain airbags$350 
Temporary spare tire $150
Cargo Management 
Air-conditioned storage compartment $50
Cargo net$40 
Storage compartment under front seat(s) $50
Climate Control 
Water-repellent front-door glass$15 
Wiper de-icer $25
Engine / Motor 
Automatic start / stop$150 
Mid-engine configuration$0 
Regenerative braking$0 
Exterior 
Glass roof panel(s) $300
Power convertible top$4000 
Power retractable hardtop $6750
Retractable rear spoiler$400 
Infotainment 
App support$0 
Bluetooth audio streaming$25 
DVD-Audio-compatible player$0 
DVD-compatible player $0
HD radio$50 
iPod integration $100
Off-road navigation system$0 
SD Card slot $25
Telematics service, such as OnStar $200
Traffic information$25 
USB port$25 
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75 
Cornering lights $50
Fog lights $125
Mirror tilt-down in reverse $25
Turn signals on or near mirrors $25
Seats and Interior Trim 
Massage, driver seat $100
Massage, passenger seat $100
Memory system, passenger seat $150
Neck-level heating, front seats $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 
Synthetic suede headliner $650
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000
Total Value of Features$6,380$14,990
Value of Feature Adjustments$0$8,610
Value of Feature Adjustments0-8,022

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Specifications Comparison: Porsche Boxster vs. Mercedes-Benz SL

Model Year20142009
ModelBoxsterSL
Body2dr Convertible2dr Hardtop conv.
Wheelbase97.4 in100.8 in
Length172.2 in180.4 in
Width70.9 in71.5 in
Height50.5 in51.1 in
Curb Weight2,910 lb.4,455 lb.
Fuel Capacity16.9 gal.21.1 gal.
Row 1 Headroom38.6 in37.7 in
Row 1 Shoulder Room51.7 in54.0 in
Row 1 Hip Room53.4 in53.9 in
Row 1 Legroom42.6 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

Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Proximity key250Yes
Interior ambient lighting150Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100Yes
Wind blocker, small100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Steering-linked headlights150Yes
Headlight washers50Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50Yes
Automatic air recirculation100Yes
Total Requested330098%
Total Not Requested752%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100Yes
Front sport buckets100Yes
Total Requested160089%
Total Not Requested20011%
Infotainment Package
FeatureValueRequested?
Satellite radio200Yes
DVD-Audio-compatible player0Yes
HD radio50No
USB port25Yes
Navigation system600Yes
Traffic information25No
Off-road navigation system0No
Media drive, large15Yes
App support0No
Total Requested84092%
Total Not Requested758%

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