Mercedes-Benz SL Mercedes-Benz SL 2015 Porsche Boxster Porsche Boxster 2016

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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: $105,295

Porsche Boxster Spyder   
Difference: $122,630

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152016
ModelSLBoxster
TrimSL65 AMGSpyder
Body2dr Hardtop conv.2dr Convertible
Base Price $215,250 $82,100
Synthetic suede steering wheel 0  
Painted brake calipers (optional) 1,000  
Ceramic brake rotors 8,950 7,400
Wheels, dark finish 500 990
Wood trim 0  
Auto-dimming mirrors   690
Adaptive sport seats plus   2,635
Automatic climate control, front   760
Metallic paint (extra cost)   710
Voice control for nav and audio   520
Interior ambient lighting   340
Heated front seats   530
Bright-finished exhaust tip(s)   650
Illuminated door sill trim plates   825
Upholstered instrument panel, leather   2,160
6-speed manual   0
Infotainment Package   3,990
Bose 505W 10 speakers   0
Synthetic suede steering wheel 0  
Painted brake calipers (optional) 930  
Ceramic brake rotors 8,324 0
Wheels, dark finish 465 0
Wood trim 0  
Auto-dimming mirrors   0
Adaptive sport seats plus   0
Automatic climate control, front   0
Metallic paint (extra cost)   0
Voice control for nav and audio   0
Interior ambient lighting   0
Heated front seats   0
Bright-finished exhaust tip(s)   0
Illuminated door sill trim plates   0
Upholstered instrument panel, leather   0
6-speed manual   0
Infotainment Package   0
Bose 505W 10 speakers   0
Options (change) 10,450 22,200
Options (change) 9,719 0
Destination 925 995
Gas Tax 1,300 0
Total Price $227,925 $105,295

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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.

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

Lowest Adjusted Price and Invoice: Porsche Boxster Spyder
TrueDelta Adjusted Price Difference: $102,095
TrueDelta Adjusted Invoice Difference: $192,020
Model Year20152016
ModelSLBoxster
TrimSL65 AMGSpyder
Body2dr Hardtop conv.2dr Convertible
Engine621hp V12375hp H6
TransmissionT7M6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)16/25 MPG18/24 MPG
Audio (watts, speakers)900, 12445, 10
Tire (rear if not all the same)255/35-19235/35-20
Total Price$227,925$105,295
Adjustments for Features-20,5350
Feature-Adjusted Total Price$207,390$105,295

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Features Comparison: Mercedes-Benz SL vs. Porsche Boxster

Model Year20152016
ModelSLBoxster
TrimSL65 AMGSpyder
Body2dr Hardtop conv.2dr Convertible
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
6-speed manual $150
RWD$0$0
Accessories 
Adaptive cruise control, all-speed$850 
Cruise control $150
Hands-free trunk or liftgate$100 
Power door closers$300 
Power trunk closer$350 
Proximity key$250 
Remote app$25 
Remote window/roof operation$15 
Semi-automated parking system$500 
Wind blocker, power small$300 
Wind blocker, small $100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Auto-raising roll bars / headrests$500 
Automatic braking, high-speed or partial$200 
Automatic braking, low-speed$200 
Blind spot collision prevention$150 
Blind spot warning system$200 
Driver drowsiness monitor$150 
Forward collision warning$200 
Lane departure prevention$150 
Lane departure warning$200 
Night vision$1750 
Obstacle detection, front$150 
Obstacle detection, rear$250 
Radar- or camera-based collision preparation system$0 
Rearview camera$200 
Roll bar $200
Cargo Management 
Air-conditioned storage compartment$50 
Cargo net $40
Storage compartment under front seat(s)$50 
Climate Control 
Adaptive windshield washer system$0 
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
Raised top speed limiter$0 
Regenerative braking $0
Exterior 
Black exterior trim (optional) $0
Convertible top $3000
Electronically-variable tint, sunroof or glass roof panel$2000 
Glass roof panel(s)$300 
Power retractable hardtop$6750 
Rear spoiler$200 
Retractable rear spoiler $400
Infotainment 
Audio controls on steering wheel$125 
DVD-Audio-compatible player $0
DVD-compatible player$0 
In-vehicle Internet$150 
iPod integration$100 
Navigation map updates, three years$0 
Off-road navigation system $0
SD Card slot$25 
SMS text-to-speech reader$25 
Telematics service, such as OnStar, with navigation$225 
Traffic + travel information$25 
Traffic information $25
USB port $25
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror $75
Cornering lights$50 
Fog lights$125 
Headlight washers$50 
Mirror tilt-down in reverse$25 
Steering-linked headlights$150 
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Automatic seat bolsters, driver$300 
Automatic seat bolsters, front passenger$300 
Cooled or ventilated front seats$300 
Leather door panel trim$250 
Leather headliner$1000 
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 seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Power thigh bolsters, driver seat $100
Power thigh bolsters, passenger seat $100
Synthetic suede door panel trim $250
Synthetic suede inserts in leather seating surfaces $0
Wood trim$300 
Suspension, Wheels, and Tires 
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000 
Electronic systems calibration selector$200 
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$26,365$5,830
Value of Feature Adjustments$20,535$0
Value of Feature Adjustments-19,1120

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Specifications Comparison: Mercedes-Benz SL vs. Porsche Boxster

Model Year20152016
ModelSLBoxster
Body2dr Hardtop conv.2dr Convertible
Wheelbase101.8 in97.4 in
Length181.8 in172.2 in
Width73.9 in70.9 in
Height51.8 in50.5 in
Curb Weight4,068 lb.2,899 lb.
Fuel Capacity19.8 gal.16.9 gal.
Row 1 Headroom39.1 in38.6 in
Row 1 Shoulder Room55.5 in51.7 in
Row 1 Hip Room0.0 in53.4 in
Row 1 Legroom42.9 in42.6 in
Cargo Volume,
Minimum
8.5 ft39.9 ft3
Cargo Volume,
Maximum
13.5 ft39.9 ft3

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Option Package Details
Porsche Boxster Spyder

Automatic climate control, front
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125Yes
Residual heat50Yes
Automatic air recirculation100Yes
Total Requested475100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000Yes
Leather upholstery, extended coverage0No
Total Requested1000100%
Total Not Requested00%
Bose, 445W, 10 speakers (with subwoofer)
FeatureValueRequested?
Bose, 445W, 10 speakers (with subwoofer)350No
Surround sound250Yes
Total Requested25042%
Total Not Requested35058%
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%
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 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
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
Total Requested150088%
Total Not Requested20012%
Infotainment Package
FeatureValueRequested?
App support0Yes
USB port25Yes
Satellite radio200Yes
DVD-Audio-compatible player0Yes
HD radio50Yes
Media drive15Yes
Navigation system600Yes
Traffic information25Yes
Off-road navigation system0No
Total Requested915100%
Total Not Requested00%

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