Porsche 718 Boxster Porsche 718 Boxster 2017 Mercedes-Benz SL Mercedes-Benz SL 2015

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Porsche 718 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 718 Boxster vs. Mercedes-Benz SL Invoice Comparison

Lowest Total Price: $102,665

Porsche 718 Boxster S   
Difference: $128,350

Calculate Payments

  Down Payment Interest Rate Term
Model Year20172015
Model718 BoxsterSL
TrimSSL65 AMG
Body2dr Convertible2dr Hardtop conv.
Base Price $68,400 $215,250
Adaptive sport seats plus 3,825  
Sport Chrono Package 2,085  
Torque vectoring, brake-based 1,320  
Porsche Connect Plus 1,300  
Navigation system 1,730  
Premium Package Plus 3,170  
6-speed manual 0  
Ceramic brake rotors 7,400 8,950
Wheels, dark finish 1,085 500
235/35ZR20 1,580  
Sport suspension (upgrade) 2,070  
Blind spot warning system 690  
Illuminated door sill trim plates 825  
Wood/leather-wrapped steering wheel 990 590
Voice control for nav and audio 0  
Metal pedals 535  
Upholstered instrument panel, leather 2,160  
Wood trim 1,810 0
Metallic paint (extra cost) 640  
Painted brake calipers (optional)   1,000
Performance meter   2,500
Adaptive sport seats plus 0  
Sport Chrono Package 0  
Torque vectoring, brake-based 0  
Porsche Connect Plus 0  
Navigation system 0  
Premium Package Plus 0  
6-speed manual 0  
Ceramic brake rotors 0 8,324
Wheels, dark finish 0 465
235/35ZR20 0  
Sport suspension (upgrade) 0  
Blind spot warning system 0  
Illuminated door sill trim plates 0  
Wood/leather-wrapped steering wheel 0 549
Voice control for nav and audio 0  
Metal pedals 0  
Upholstered instrument panel, leather 0  
Wood trim 0 0
Metallic paint (extra cost) 0  
Painted brake calipers (optional)   930
Performance meter   2,325
Options (change) 33,215 13,540
Options (change) 0 12,593
Destination 1,050 925
Gas Tax 0 1,300
Total Price $102,665 $231,015

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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 718 Boxster dealer quotes or Mercedes-Benz SL dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Porsche 718 Boxster vs. Mercedes-Benz SL

Lowest Adjusted Price and Invoice: Porsche 718 Boxster S
TrueDelta Adjusted Price Difference: $111,730
TrueDelta Adjusted Invoice Difference: $198,483
Model Year20172015
Model718 BoxsterSL
TrimSSL65 AMG
Body2dr Convertible2dr Hardtop conv.
Engine350hp H4621hp V12
TransmissionM6T7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)20/26 MPG16/25 MPG
Audio (watts, speakers)110, 6900, 12
Tire (rear if not all the same)235/35-20255/35-19
Total Price$102,665$231,015
Adjustments for Features0-16,620
Feature-Adjusted Total Price$102,665$214,395

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Features Comparison: Porsche 718 Boxster vs. Mercedes-Benz SL

Model Year20172015
Model718 BoxsterSL
TrimSSL65 AMG
Body2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150 
7-speed manually-shiftable automatic $1200
RWD$0$0
Accessories 
Adaptive cruise control, all-speed $850
Cruise control$150 
Hands-free trunk or liftgate $100
Heated steering wheel$100 
Power door closers $300
Power trunk closer $350
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
Driver drowsiness monitor $150
Forward collision warning $200
Lane departure prevention $150
Lane departure warning $200
Night vision $1750
Radar- or camera-based collision preparation system $0
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 
Mid-engine configuration$0 
Raised top speed limiter $0
Regenerative braking$0 
Exterior 
Electronically-variable tint, sunroof or glass roof panel $2000
Glass roof panel(s) $300
Power convertible top$4000 
Power retractable hardtop $6750
Rear spoiler $200
Retractable rear spoiler$400 
Infotainment 
4G LTE connectivity$0 
Apple CarPlay support$100 
DVD-Audio-compatible player$0 
DVD-compatible player $0
Handwriting recognition$200 
iPod integration $100
Media drive $15
Media drive, small$5 
Off-road navigation system$0 
SMS text-to-speech reader $25
Surround sound $250
Telematics service, such as OnStar$200 
Telematics service, such as OnStar, with navigation $225
Traffic + travel information $25
Traffic information$25 
USB port$25 
Wi-Fi hotspot$50 
Instruments, Lights, and Mirrors 
Auto-dimming headlights $200
Auto-dimming passenger-side mirror$75 
Cornering lights $50
Fog lights $125
Mirror tilt-down in reverse $25
Turn signals on or near mirrors $25
Seats and Interior Trim 
Automatic seat bolsters, driver $300
Automatic seat bolsters, front passenger $300
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 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$7,235$23,855
Value of Feature Adjustments$0$16,620
Value of Feature Adjustments0-15,468

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Specifications Comparison: Porsche 718 Boxster vs. Mercedes-Benz SL

Model Year20172015
Model718 BoxsterSL
Body2dr Convertible2dr Hardtop conv.
Wheelbase97.4 in101.8 in
Length172.4 in181.8 in
Width70.9 in73.9 in
Height50.4 in51.8 in
Curb Weight2,988 lb.4,068 lb.
Fuel Capacity14.3 gal.19.8 gal.
Row 1 Headroom0.0 in39.1 in
Row 1 Shoulder Room0.0 in55.5 in
Row 1 Legroom0.0 in42.9 in
Cargo Volume,
Minimum
9.7 ft38.5 ft3
Cargo Volume,
Maximum
9.713.5 ft3

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Option Package Details
Porsche 718 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
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 length adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length 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?
Chronometer100Yes
Electronic systems calibration selector200Yes
Performance meter150Yes
Electronically-variable engine mounts (performance-oriented)500No
Total Requested45047%
Total Not Requested50053%
Porsche Connect Plus
FeatureValueRequested?
Traffic information25Yes
In-vehicle Internet150Yes
Wi-Fi hotspot50No
4G LTE connectivity0No
Navigation map updates, three years0Yes
Telematics service, such as OnStar200Yes
App support0Yes
Remote app25Yes
Apple CarPlay support100No
Total Requested40073%
Total Not Requested15027%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Proximity key250Yes
Perimeter approach lighting25No
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 Requested190095%
Total Not Requested1005%

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