Porsche Boxster Porsche Boxster 2014 Mercedes-Benz SL Mercedes-Benz SL 2015

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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: $84,995

Porsche Boxster   
Difference: $78,380

Calculate Payments

  Down Payment Interest Rate Term
Model Year2014201420152015
ModelBoxsterBoxsterSLSL
TrimBaseSSL63 AMGSL65 AMG
Body2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Base Price $50,400 $62,100 $148,050 $215,250
Adaptive sport seats plus 3,825 3,825    
Sport Chrono Package 1,850 1,850    
Infotainment Package 3,990 3,990    
Torque vectoring, brake-based 1,320 1,320    
Adaptive dampers - electrical 1,790 1,790    
Premium Package Plus 3,910 3,240    
Adaptive cruise control, all-speed 2,170 2,170    
Upholstered instrument panel, leather 2,025 2,025    
Ceramic brake rotors 7,400 7,400 8,950 8,950
Obstacle detection, rear 530 530    
Obstacle detection, front 330 330    
Illuminated door sill trim plates 825 825    
Voice control for nav and audio 520 520    
Audio controls on steering wheel 615 615    
Wood trim 1,790 1,790 0 0
Metallic paint (extra cost) 710 710    
Bose 505W 10 speakers   0    
Driver Assistance Package     2,950  
Performance meter     2,500 2,500
Adaptive sport seats plus 0 0    
Sport Chrono Package 0 0    
Infotainment Package 0 0    
Torque vectoring, brake-based 0 0    
Adaptive dampers - electrical 0 0    
Premium Package Plus 0 0    
Adaptive cruise control, all-speed 0 0    
Upholstered instrument panel, leather 0 0    
Ceramic brake rotors 0 0 8,324 8,324
Obstacle detection, rear 451 451    
Obstacle detection, front 0 0    
Illuminated door sill trim plates 0 0    
Voice control for nav and audio 0 0    
Audio controls on steering wheel 0 0    
Wood trim 0 0 0 0
Metallic paint (extra cost) 0 0    
Bose 505W 10 speakers   0    
Driver Assistance Package     2,744  
Performance meter     2,325 2,325
Options (change) 33,600 32,930 14,400 11,450
Options (change) 451 451 13,393 10,649
Destination 995 995 925 925
Gas Tax 0 0 0 1,300
Total Price $84,995 $96,025 $163,375 $228,925

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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: Porsche Boxster
Lowest Adjusted Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $66,020
TrueDelta Adjusted Invoice Difference: $139,063
Model Year2014201420152015
ModelBoxsterBoxsterSLSL
TrimBaseSSL63 AMGSL65 AMG
Body2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Engine265hp H6315hp H6577hp V8621hp V12
TransmissionM6M6T7T7
DrivetrainRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)185, 7445, 10600, 11900, 12
Tire (rear if not all the same)235/45-18235/40-19255/35-19255/35-19
Total Price$84,995$96,025$163,375$228,925
Adjustments for Features0-250-12,360-16,660
Feature-Adjusted Total Price$84,995$95,775$151,015$212,265
Cost Above Minimum$0$10,780$0$61,250

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Features Comparison: Porsche Boxster vs. Mercedes-Benz SL

Model Year2014201420152015
ModelBoxsterBoxsterSLSL
TrimBaseSSL63 AMGSL65 AMG
Body2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150$150  
7-speed manually-shiftable automatic  $1200$1200
RWD$0$0$0$0
Accessories 
Hands-free trunk or liftgate  $100$100
Power door closers   $300
Power trunk closer  $350$350
Remote app  $25$25
Remote window/roof operation  $15$15
Semi-automated parking system  $500$500
Wind blocker, power small  $300$300
Wind blocker, small$100$100  
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats  $0$0
Auto-raising roll bars / headrests  $500$500
Automatic braking, low-speed  $200$200
Blind spot collision prevention  $150$150
Blind spot warning system  $200$200
Driver drowsiness monitor  $150$150
Lane departure prevention  $150$150
Lane departure warning  $200$200
Night vision   $1750
Rearview camera  $200$200
Roll bar$200$200  
Cargo Management 
Air-conditioned storage compartment  $50$50
Cargo net$40$40  
Storage compartment under front seat(s)  $50$50
Climate Control 
Adaptive windshield washer system  $0$0
Water-repellent front-door glass$15$15  
Wiper de-icer  $25$25
Drivetrain 
Electronically-variable engine mounts (performance-oriented)$500$500  
Engine / Motor 
Mid-engine configuration$0$0  
Raised top speed limiter  $0$0
Regenerative braking$0$0  
Exterior 
Electronically-variable tint, sunroof or glass roof panel   $2000
Glass roof panel(s)  $300$300
Power convertible top$4000$4000  
Power retractable hardtop  $6750$6750
Rear spoiler  $200$200
Retractable rear spoiler$400$400  
Infotainment 
DVD-Audio-compatible player$0$0  
DVD-compatible player  $0$0
In-vehicle Internet  $150$150
iPod integration  $100$100
Navigation map updates, three years  $0$0
Off-road navigation system$0$0  
SD Card slot  $25$25
SMS text-to-speech reader  $25$25
Surround sound $250$250$250
Telematics service, such as OnStar, with navigation  $225$225
Traffic + travel information  $25$25
Traffic information$25$25  
USB port$25$25  
Instruments, Lights, and Mirrors 
Auto-dimming headlights  $200$200
Auto-dimming passenger-side mirror$75$75  
Cornering lights  $50$50
Fog lights  $125$125
Mirror tilt-down in reverse  $25$25
Turn signals on or near mirrors  $25$25
Seats and Interior Trim 
Automatic seat bolsters, driver  $300$300
Automatic seat bolsters, front passenger  $300$300
Leather headliner   $1000
Massage, driver seat  $100$100
Massage, passenger seat  $100$100
Memory system, passenger seat  $150$150
Neck-level heating, front seats  $150$150
Power headrest height adjuster, driver seat  $50$50
Power headrest height adjuster, passenger seat  $50$50
Power seatback bolsters, driver seat$100$100  
Power seatback bolsters, passenger seat$100$100  
Power thigh bolsters, driver seat$100$100  
Power thigh bolsters, passenger seat$100$100  
Synthetic suede headliner  $650 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500  
Adaptive hydraulic struts, auto-leveling and ht. adjustable  $4000$4000
Sport suspension (upgrade)  $0$0
Transmission 
Launch control$100$100$100 
Steering-wheel-mounted transmission controls  $100$100
Total Value of Features$6,530$6,780$18,890$23,190
Value of Feature Adjustments$0$250$12,360$16,660
Value of Feature Adjustments0-4-11,500-15,505

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Specifications Comparison: Porsche Boxster vs. Mercedes-Benz SL

Model Year20142015
ModelBoxsterSL
Body2dr Convertible2dr Hardtop conv.
Wheelbase97.4 in101.8 in
Length172.2 in181.8 in
Width70.9 in73.9 in
Height50.5 in51.8 in
Curb Weight2,889 lb.3,936 lb.
Fuel Capacity16.9 gal.19.8 gal.
Row 1 Headroom38.6 in39.1 in
Row 1 Shoulder Room51.7 in55.5 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom42.6 in42.9 in
Cargo Volume,
Minimum
9.9 ft38.5 ft3
Cargo Volume,
Maximum
9.913.5 ft3

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Option Package Details
Porsche Boxster

Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, 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
Power thigh support adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Front sport buckets100Yes
Total Requested160089%
Total Not Requested20011%
Sport Chrono Package
FeatureValueRequested?
Performance meter150Yes
Chronometer100Yes
Electronic systems calibration selector200Yes
Launch control100Yes
Electronically-variable engine mounts500No
Total Requested55052%
Total Not Requested50048%
Infotainment Package
FeatureValueRequested?
Satellite radio200Yes
DVD-Audio-compatible player0Yes
HD radio50Yes
USB port25Yes
Unbranded, 185W, 7 speakers350No
Navigation system600Yes
Traffic information25Yes
Off-road navigation system0No
Media drive, large15Yes
App support0Yes
Total Requested91572%
Total Not Requested35028%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Proximity key250Yes
Interior ambient lighting150Yes
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
Power thigh support adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Wind blocker, small100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Headlight washers50Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50Yes
Automatic air recirculation100Yes
Total Requested380098%
Total Not Requested752%

Option Package Details
Porsche Boxster S

Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, 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
Power thigh support adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Front sport buckets100Yes
Total Requested160089%
Total Not Requested20011%
Sport Chrono Package
FeatureValueRequested?
Performance meter150Yes
Chronometer100Yes
Electronic systems calibration selector200Yes
Launch control100Yes
Electronically-variable engine mounts500No
Total Requested55052%
Total Not Requested50048%
Infotainment Package
FeatureValueRequested?
Satellite radio200Yes
DVD-Audio-compatible player0Yes
HD radio50Yes
USB port25Yes
Navigation system600Yes
Traffic information25Yes
Off-road navigation system0No
Media drive, large15Yes
App support0Yes
Total Requested915100%
Total Not Requested00%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Proximity key250Yes
Interior ambient lighting150Yes
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
Power thigh support adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger 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%

Option Package Details
Mercedes-Benz SL SL63 AMG

Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200No
Adaptive cruise control, all-speed700Yes
Blind spot warning system200No
Lane departure prevention system150No
Automatic braking, low-speed200No
Automatic braking, high-speed200Yes
Forward collision warning200Yes
Blind spot intervention150No
Total Requested110055%
Total Not Requested90045%

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