Porsche Boxster Porsche Boxster 2016 Mercedes-Benz SL Mercedes-Benz SL 2008

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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: $95,725

Porsche Boxster Spyder   
Difference: $95,460

Calculate Payments

  Down Payment Interest Rate Term
Model Year20162008
ModelBoxsterSL
TrimSpyderSL65 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $82,100 $187,200
Adaptive sport seats plus 2,635  
Automatic climate control, front 760  
PCM 2,965  
Auto-dimming mirrors 690  
CD changer, in-dash 670  
Metallic paint (extra cost) 710  
Bright-finished exhaust tip(s) 650  
Interior ambient lighting 340  
Upholstered instrument panel, leather 2,160  
Heated front seats 530  
Voice control for nav and audio 520 510
6-speed manual 0  
Wood trim   0
Adaptive sport seats plus 0  
Automatic climate control, front 0  
PCM 0  
Auto-dimming mirrors 0  
CD changer, in-dash 0  
Metallic paint (extra cost) 0  
Bright-finished exhaust tip(s) 0  
Interior ambient lighting 0  
Upholstered instrument panel, leather 0  
Heated front seats 0  
Voice control for nav and audio 0 474
6-speed manual 0  
Wood trim   0
Options (change) 12,630 510
Options (change) 0 474
Destination 995 875
Gas Tax 0 2,600
Total Price $95,725 $191,185

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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 Spyder
TrueDelta Adjusted Price Difference: $85,815
TrueDelta Adjusted Invoice Difference: $168,068
Model Year20162008
ModelBoxsterSL
TrimSpyderSL65 AMG
Body2dr Convertible2dr Hardtop conv.
Engine375hp H6604hp V12
TransmissionM6T5
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)18/24 MPG11/18 MPG
Audio (watts, speakers)185, 7250, 8
Tire (rear if not all the same)235/35-20255/35-19
Total Price$95,725$191,185
Adjustments for Features0-9,645
Feature-Adjusted Total Price$95,725$181,540

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Features Comparison: Porsche Boxster vs. Mercedes-Benz SL

Model Year20162008
ModelBoxsterSL
TrimSpyderSL65 AMG
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150 
5-speed manually-shiftable automatic $1000
RWD$0$0
Accessories 
Power trunk closer $350
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
Torque vectoring, brake-based$100 
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 
Limited-slip rear differential$300 
Engine / Motor 
Dual-mode exhaust, switchable$500 
Mid-engine configuration$0 
Regenerative braking$0 
Exterior 
Black exterior trim (optional)$0 
Body kit $0
Convertible top$3000 
Painted brake calipers (optional)$0 
Power retractable hardtop $6750
Retractable rear spoiler$400 
Infotainment 
Audio controls on steering wheel $125
Aux input$50 
Bluetooth audio streaming$25 
CD changer, in-dash$325 
CD changer, remote $200
CD player $125
DVD-Audio-compatible player$0 
Media drive$15 
Off-road navigation system$0 
Satellite radio $200
Surround sound $250
Telematics service, such as OnStar $200
Traffic information$25 
USB port$25 
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75 
Chronometer$100 
Cornering lights $50
Fog lights $125
Headlight washers $50
Mirror tilt-down in reverse $25
Turn signals on or near mirrors $25
Seats and Interior Trim 
Cooled or ventilated front seats $300
Leather door panel trim $250
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 
Wood trim $300
Suspension, Wheels, and Tires 
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$6,720$16,365
Value of Feature Adjustments$0$9,645
Value of Feature Adjustments0-8,982

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Specifications Comparison: Porsche Boxster vs. Mercedes-Benz SL

Model Year20162008
ModelBoxsterSL
Body2dr Convertible2dr Hardtop conv.
Wheelbase97.4 in100.8 in
Length172.2 in178.5 in
Width70.9 in71.5 in
Height50.5 in51.0 in
Curb Weight2,899 lb.4,564 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 ft37.3 ft3
Cargo Volume,
Maximum
9.910.2 ft3

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Option Package Details
Porsche Boxster Spyder

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, 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
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Total Requested150088%
Total Not Requested20012%
PCM
FeatureValueRequested?
Navigation system600Yes
DVD-Audio-compatible player0No
Traffic information25No
Off-road navigation system0No
Media drive15No
USB port25No
Total Requested60090%
Total Not Requested6510%
Auto-dimming mirrors
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested32581%
Total Not Requested7519%

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