Mercedes-Benz SL Mercedes-Benz SL 2011 Porsche Boxster Porsche Boxster 2015

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Mercedes-Benz SL vs. Porsche Boxster 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.

Mercedes-Benz SL vs. Porsche Boxster Invoice Comparison

Lowest Total Price: $87,875

Porsche Boxster GTS   
Difference: $56,520

Calculate Payments

  Down Payment Interest Rate Term
Model Year20112015
ModelSLBoxster
TrimSL63 AMGGTS
Body2dr Hardtop conv.2dr Convertible
Base Price $139,050 $73,500
Obstacle detection, rear 1,170 530
Illuminated door sill trim plates 700 825
Wood trim 0  
Infotainment Package   3,990
Adaptive sport seats plus   3,025
Premium Package Plus   1,965
6-speed manual   0
Bright-finished exhaust tip(s)   650
Audio controls on steering wheel   165
Sport suspension (upgrade)   0
CD changer, in-dash   670
Voice control for nav and audio   520
Obstacle detection, front   330
Metallic paint (extra cost)   710
Obstacle detection, rear 1,088 451
Illuminated door sill trim plates 651 0
Wood trim 0  
Infotainment Package   0
Adaptive sport seats plus   0
Premium Package Plus   0
6-speed manual   0
Bright-finished exhaust tip(s)   0
Audio controls on steering wheel   0
Sport suspension (upgrade)   0
CD changer, in-dash   0
Voice control for nav and audio   0
Obstacle detection, front   0
Metallic paint (extra cost)   0
Options (change) 1,870 13,380
Options (change) 1,739 451
Destination 875 995
Gas Tax 2,600 0
Total Price $144,395 $87,875

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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 Mercedes-Benz SL dealer quotes or Porsche Boxster 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: Mercedes-Benz SL vs. Porsche Boxster

Lowest Adjusted Price and Invoice: Porsche Boxster GTS
TrueDelta Adjusted Price Difference: $49,035
TrueDelta Adjusted Invoice Difference: $126,110
Model Year20112015
ModelSLBoxster
TrimSL63 AMGGTS
Body2dr Hardtop conv.2dr Convertible
Engine518hp V8330hp H6
TransmissionT7M6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)12/19 MPG19/26 MPG
Audio (watts, speakers)510, 10445, 10
Tire (rear if not all the same)255/35-19235/35-20
Total Price$144,395$87,875
Adjustments for Features-7,4850
Feature-Adjusted Total Price$136,910$87,875

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Features Comparison: Mercedes-Benz SL vs. Porsche Boxster

Model Year20112015
ModelSLBoxster
TrimSL63 AMGGTS
Body2dr Hardtop conv.2dr Convertible
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
6-speed manual $150
RWD$0$0
Accessories 
Proximity key $250
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 
Drivetrain 
Electronically-variable engine mounts (performance-oriented) $500
Engine / Motor 
Automatic start / stop $150
Dual-mode exhaust, switchable $500
Mid-engine configuration $0
Regenerative braking $0
Exterior 
Black exterior trim (optional) $0
Body kit$0 
Painted brake calipers (optional) $0
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 
iPod integration$100 
Off-road navigation system $0
SD Card slot$25 
Telematics service, such as OnStar$200 
USB port $25
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror $75
Chronometer $100
Cornering lights$50 
Fog lights$125 
Mirror tilt-down in reverse$25 
Performance meter $150
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Leather door panel trim$250 
Leather-wrapped steering wheel $150
Massage, driver seat$100 
Massage, passenger seat$100 
Memory system, 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
Synthetic suede door panel trim $250
Synthetic suede headliner$650 
Synthetic suede inserts in leather seating surfaces $0
Synthetic suede steering wheel$150 
Wood trim$300 
Suspension, Wheels, and Tires 
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000 
Electronic systems calibration selector $200
Transmission 
Launch control$100 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$15,290$7,805
Value of Feature Adjustments$7,485$0
Value of Feature Adjustments-6,9740

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Specifications Comparison: Mercedes-Benz SL vs. Porsche Boxster

Model Year20112015
ModelSLBoxster
Body2dr Hardtop conv.2dr Convertible
Wheelbase100.8 in97.4 in
Length180.4 in172.2 in
Width71.5 in70.9 in
Height51.1 in50.5 in
Curb Weight4,274 lb.2,965 lb.
Fuel Capacity21.1 gal.16.9 gal.
Row 1 Headroom37.7 in38.6 in
Row 1 Shoulder Room54.0 in51.7 in
Row 1 Hip Room53.9 in53.4 in
Row 1 Legroom42.9 in42.6 in
Cargo Volume,
Minimum
7.2 ft39.9 ft3
Cargo Volume,
Maximum
10.2 ft39.9 ft3

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Option Package Details
Porsche Boxster GTS

Infotainment Package
FeatureValueRequested?
Surround sound250Yes
Performance meter150No
Bose, 445W, 10 speakers (with subwoofer)350No
Satellite radio200Yes
DVD-Audio-compatible player0Yes
HD radio50Yes
USB port25Yes
Navigation system600Yes
Traffic information25Yes
Off-road navigation system0No
Media drive15Yes
App support0No
Total Requested116570%
Total Not Requested50030%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Power thigh support adjuster, driver 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
Total Requested150088%
Total Not Requested20012%
Premium Package Plus
FeatureValueRequested?
Proximity key250No
Interior ambient lighting150Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50Yes
Automatic air recirculation100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested115078%
Total Not Requested32522%

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