Porsche Boxster Porsche Boxster 2015 Mercedes-Benz SL Mercedes-Benz SL 2013

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $85,835

Porsche Boxster   
Difference: $80,745

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152015201520132013
ModelBoxsterBoxsterBoxsterSLSL
TrimBaseSGTSSL63 AMGSL65 AMG
Body2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Base Price $51,400 $63,300 $73,500 $145,800 $212,240
Adaptive sport seats plus 3,825 3,825 3,025    
Torque vectoring, brake-based 1,320 1,320 1,320    
Adaptive dampers - electrical 1,790 1,790      
Premium Package Plus 3,620 2,950 1,965    
Adaptive cruise control, all-speed 2,170 2,170 2,170    
Infotainment Package 3,990 3,990 3,990    
Upholstered instrument panel, leather 2,160 2,160      
Ceramic brake rotors 7,400 7,400 7,400 12,625 12,625
Rearview camera 1,515 1,515 1,515    
Illuminated door sill trim plates 825 825 825    
Voice control for nav and audio 520 520 520    
CD changer, in-dash 670 670 670    
Audio controls on steering wheel 615 615 165    
Auto-dimming headlights 520 520 520    
Wood trim 1,790 1,790   0 0
Metallic paint (extra cost) 710 710 710    
Bose 505W 10 speakers   0      
Sport suspension (upgrade)     0    
Cooled or ventilated front seats     730    
Bright-finished exhaust tip(s)     650    
Driver Assistance Package       2,950  
Premium 1 Package       4,300  
Painted brake calipers (optional)         1,000
Adaptive sport seats plus 0 0 0    
Torque vectoring, brake-based 0 0 0    
Adaptive dampers - electrical 0 0      
Premium Package Plus 0 0 0    
Adaptive cruise control, all-speed 0 0 0    
Infotainment Package 0 0 0    
Upholstered instrument panel, leather 0 0      
Ceramic brake rotors 0 0 0 11,741 11,741
Rearview camera 0 0 0    
Illuminated door sill trim plates 0 0 0    
Voice control for nav and audio 0 0 0    
CD changer, in-dash 0 0 0    
Audio controls on steering wheel 0 0 0    
Auto-dimming headlights 0 0 0    
Wood trim 0 0   0 0
Metallic paint (extra cost) 0 0 0    
Bose 505W 10 speakers   0      
Sport suspension (upgrade)     0    
Cooled or ventilated front seats     0    
Bright-finished exhaust tip(s)     0    
Driver Assistance Package       2,744  
Premium 1 Package       3,999  
Painted brake calipers (optional)         930
Options (change) 33,440 32,770 26,175 19,875 13,625
Options (change) 0 0 0 18,484 12,671
Destination 995 995 995 905 905
Gas Tax 0 0 0 0 1,300
Total Price $85,835 $97,065 $100,670 $166,580 $228,070

Return to top

While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Porsche Boxster dealer quotes or Mercedes-Benz SL 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: Porsche Boxster vs. Mercedes-Benz SL

Lowest Adjusted Price: Porsche Boxster
Lowest Adjusted Invoice: Porsche Boxster GTS
TrueDelta Adjusted Price Difference: $68,185
TrueDelta Adjusted Invoice Difference: $142,312
Model Year20152015201520132013
ModelBoxsterBoxsterBoxsterSLSL
TrimBaseSGTSSL63 AMGSL65 AMG
Body2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Engine265hp H6315hp H6330hp H6530hp V8621hp V12
TransmissionM6M6M6T7T7
DrivetrainRWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)185, 7445, 10445, 10600, 14900, 12
Tire (rear if not all the same)235/45-18235/40-19235/35-20255/35-19255/35-19
Total Price$85,835$97,065$100,670$166,580$228,070
Adjustments for Features0-250-1,000-12,560-15,410
Feature-Adjusted Total Price$85,835$96,815$99,670$154,020$212,660
Cost Above Minimum$0$10,980$13,835$0$58,640

Return to top

Features Comparison: Porsche Boxster vs. Mercedes-Benz SL

Model Year20152015201520132013
ModelBoxsterBoxsterBoxsterSLSL
TrimBaseSGTSSL63 AMGSL65 AMG
Body2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150$150$150  
7-speed manually-shiftable automatic   $1200$1200
RWD$0$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$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
Roll bar$200$200$200  
Cargo Management 
Air-conditioned storage compartment   $50$50
Cargo net$40$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$15  
Wiper de-icer   $25$25
Drivetrain 
Electronically-variable engine mounts (performance-oriented)  $500  
Limited-slip rear differential$300$300$300 $300
Engine / Motor 
Dual-mode exhaust, switchable  $500  
Mid-engine configuration$0$0$0  
Regenerative braking$0$0$0  
Exterior 
Black exterior trim (optional)  $0  
Electronically-variable tint, sunroof or glass roof panel    $2000
Glass roof panel(s)   $300$300
Painted brake calipers (optional) $0$0 $0
Power convertible top$4000$4000$4000  
Power retractable hardtop   $6750$6750
Rear spoiler   $200$200
Retractable rear spoiler$400$400$400  
Infotainment 
DVD-Audio-compatible player$0$0$0  
DVD-compatible player   $0$0
In-vehicle Internet   $150$150
iPod integration   $100$100
Off-road navigation system$0$0$0  
SD Card slot   $25$25
SMS text-to-speech reader   $25$25
Surround sound $250$250$250$250
Telematics service, such as OnStar, with navigation   $225$225
Traffic + travel information   $25$25
Traffic information$25$25$25  
USB port$25$25$25  
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75$75$75  
Chronometer  $100$100$100
Cornering lights   $50$50
Fog lights   $125$125
Mirror tilt-down in reverse   $25$25
Performance meter  $150  
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 door panel trim$250$250 $250$250
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$100  
Power seatback bolsters, passenger seat$100$100$100  
Power thigh bolsters, driver seat$100$100$100  
Power thigh bolsters, passenger seat$100$100$100  
Synthetic suede door panel trim  $250  
Synthetic suede headliner   $650 
Wood trim$300$300 $300$300
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500   
Adaptive hydraulic struts, auto-leveling and ht. adjustable   $4000$4000
Electronic systems calibration selector  $200$200$200
Sport suspension (upgrade)  $0$0$0
Transmission 
Launch control  $100$100 
Steering-wheel-mounted transmission controls   $100$100
Total Value of Features$6,780$7,030$7,780$19,340$22,190
Value of Feature Adjustments$0$250$1,000$12,560$15,410
Value of Feature Adjustments0-3-10-11,686-14,342

Return to top

Specifications Comparison: Porsche Boxster vs. Mercedes-Benz SL

Model Year20152013
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.4,002 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

Return to top

Option Package Details
Porsche Boxster

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 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
Power thigh support adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Front sport buckets100Yes
Total Requested160089%
Total Not Requested20011%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Proximity key250Yes
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
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested240097%
Total Not Requested753%
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 drive15Yes
App support0Yes
Total Requested91572%
Total Not Requested35028%

Option Package Details
Porsche Boxster S

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 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
Power thigh support adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Front sport buckets100Yes
Total Requested160089%
Total Not Requested20011%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Proximity key250Yes
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
Steering-linked headlights150Yes
Headlight washers50Yes
Total Requested190096%
Total Not Requested754%
Infotainment Package
FeatureValueRequested?
Satellite radio200Yes
DVD-Audio-compatible player0Yes
HD radio50Yes
USB port25Yes
Navigation system600Yes
Traffic information25Yes
Off-road navigation system0No
Media drive15Yes
App support0Yes
Total Requested915100%
Total Not Requested00%

Option Package Details
Porsche Boxster GTS

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 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
Power thigh support adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Total Requested150088%
Total Not Requested20012%
Premium Package Plus
FeatureValueRequested?
Proximity key250Yes
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 Requested140095%
Total Not Requested755%
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 support0Yes
Total Requested116570%
Total Not Requested50030%

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 alert200Yes
Blind spot intervention150No
Total Requested110055%
Total Not Requested90045%
Premium 1 Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Automatic seat bolsters, driver300No
Automatic seat bolsters, front passenger300No
Massage, driver seat100No
Massage, passenger seat100No
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Rearview camera200Yes
Power decklid350No
Proximity key250Yes
Neck-level heating, front seats150No
Parking guidance system - active500No
Hands-free trunk or liftgate100No
Total Requested115038%
Total Not Requested190062%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Porsche models.