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

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

Lowest Total Price: $91,315

Porsche 718 Boxster   
Difference: $74,060

Calculate Payments

  Down Payment Interest Rate Term
Model Year2017201720172017
ModelSLSL718 Boxster718 Boxster
TrimAMG SL63AMG SL65BaseS
Body2dr Hardtop conv.2dr Hardtop conv.2dr Convertible2dr Convertible
Base Price $151,350 $219,850 $56,000 $68,400
Color seat belts 300 300 350 350
Wheels, dark finish 2,200 2,200   1,085
Ceramic brake rotors 8,950 8,950 7,400 7,400
Wood/leather-wrapped steering wheel 650 650 990 990
Wood trim 0 0 1,810 1,810
Painted brake calipers (optional) 1,000 1,000    
Torque vectoring, brake-based     1,320 1,320
Adaptive dampers - electrical     1,790  
LED headlights     1,170 1,170
Adaptive cruise control, all-speed     1,670 1,670
Adaptive sport seats plus     3,825 3,825
Premium Package Plus     3,170 3,170
Porsche Connect Plus     1,300 1,300
Navigation system     1,730 1,730
Dual-mode exhaust, switchable     2,890 2,540
Upholstered instrument panel, leather     2,160 2,160
Illuminated door sill trim plates     825 825
Blind spot warning system     690 690
Metal pedals     535 535
Voice control for nav and audio     0 0
Metallic paint (extra cost)     640 640
Sport suspension (upgrade)       2,070
235/35ZR20       1,580
Color seat belts 279 279 0 0
Wheels, dark finish 2,046 2,046   0
Ceramic brake rotors 8,324 8,324 0 0
Wood/leather-wrapped steering wheel 605 605 0 0
Wood trim 0 0 0 0
Painted brake calipers (optional) 930 930    
Torque vectoring, brake-based     0 0
Adaptive dampers - electrical     0  
LED headlights     0 0
Adaptive cruise control, all-speed     0 0
Adaptive sport seats plus     0 0
Premium Package Plus     0 0
Porsche Connect Plus     0 0
Navigation system     0 0
Dual-mode exhaust, switchable     0 0
Upholstered instrument panel, leather     0 0
Illuminated door sill trim plates     0 0
Blind spot warning system     0 0
Metal pedals     0 0
Voice control for nav and audio     0 0
Metallic paint (extra cost)     0 0
Sport suspension (upgrade)       0
235/35ZR20       0
Options (change) 13,100 13,100 34,265 36,860
Options (change) 12,184 12,184 0 0
Destination 925 925 1,050 1,050
Gas Tax 0 1,300 0 0
Total Price $165,375 $235,175 $91,315 $106,310

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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 718 Boxster dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Porsche 718 Boxster
TrueDelta Adjusted Price Difference: $62,430
TrueDelta Adjusted Invoice Difference: $141,994
Model Year2017201720172017
ModelSLSL718 Boxster718 Boxster
TrimAMG SL63AMG SL65BaseS
Body2dr Hardtop conv.2dr Hardtop conv.2dr Convertible2dr Convertible
Engine577hp V8621hp V12300hp H4350hp H4
TransmissionT7T7M6M6
DrivetrainRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)600, 11900, 12110, 6110, 6
Tire (rear if not all the same)255/35-19255/35-19235/45-18235/35-20
Total Price$165,375$235,175$91,315$106,310
Adjustments for Features-11,630-15,73000
Feature-Adjusted Total Price$153,745$219,445$91,315$106,310
Cost Above Minimum$0$65,700$0$14,995

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

Model Year2017201720172017
ModelSLSL718 Boxster718 Boxster
TrimAMG SL63AMG SL65BaseS
Body2dr Hardtop conv.2dr Hardtop conv.2dr Convertible2dr Convertible
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200$1200  
6-speed manual  $150$150
RWD$0$0$0$0
Accessories 
Adaptive cruise control, all-speed $850$850$850
Cruise control$150   
Hands-free trunk or liftgate$100$100  
Heated steering wheel  $100$100
Power door closers $300  
Power trunk closer$350$350  
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  
Blind spot warning system $200$200$200
Brake- or yaw-sensor-initiated collision preparation system$0   
Collision preparation system, rear $100  
Cross-traffic detection for collision preparation system $0  
Cross-traffic warning, rear $100  
Driver drowsiness monitor$150$150  
Lane departure warning $200  
Lane keeping assist $400  
Pedestrian detection $50  
Radar- or camera-based collision preparation system $0$0$0
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  
Heated washer fluid system$50$50  
Heated windshield washer nozzles  $15$15
Washer fluid outlets in wiper blade$100$100  
Water-repellent front-door glass  $15$15
Wiper de-icer$25$25  
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  
Painted brake calipers (optional)$0$0 $0
Power convertible top  $4000$4000
Power retractable hardtop$6750$6750  
Rear spoiler$200$200  
Retractable rear spoiler  $400$400
Infotainment 
4G LTE connectivity  $0$0
Android Auto support$100$100  
DVD-Audio-compatible player  $0$0
DVD-compatible player$0$0  
Handwriting recognition  $200$200
iPod integration$100$100  
Media drive$15$15  
Media drive, small  $5$5
Off-road navigation system  $0$0
SMS text-to-speech reader$25$25  
Surround sound$250$250  
Telematics service, such as OnStar  $200$200
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 passenger-side mirror  $75$75
Chronometer$100$100  
Cornering lights$50$50  
Headlight washers  $50$50
Interior ambient lighting  $150$150
Interior ambient lighting, configurable$150$150  
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  
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$650  
Suspension, Wheels, and Tires 
Active curve tilting$1000$1000  
Adaptive dampers - electrical  $500$500
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000$4000  
Electronic systems calibration selector$200$200  
Sport suspension (upgrade)$0  $0
Ultra-sport suspension (upgrade) $0  
Wheels, dark finish$0$0 $0
Transmission 
Launch control$100   
Steering-wheel-mounted transmission controls$100$100  
Total Value of Features$19,330$23,430$7,700$7,700
Value of Feature Adjustments$11,630$15,730$0$0
Value of Feature Adjustments-10,821-14,63900

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

Model Year20172017
ModelSL718 Boxster
Body2dr Hardtop conv.2dr Convertible
Wheelbase101.7 in97.4 in
Length182.3 in172.4 in
Width73.9 in70.9 in
Height51.2 in50.4 in
Curb Weight3,827 lb.2,945 lb.
Fuel Capacity19.8 gal.14.3 gal.
Row 1 Headroom39.1 in0.0 in
Row 1 Shoulder Room55.5 in0.0 in
Row 1 Legroom42.9 in0.0 in
Cargo Volume,
Minimum
8.5 ft39.7 ft3
Cargo Volume,
Maximum
13.5 ft39.7 ft3

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Option Package Details
Porsche 718 Boxster

Torque vectoring, brake-based
FeatureValueRequested?
Torque vectoring, brake-based100Yes
Limited-slip rear differential300Yes
Total Requested400100%
Total Not Requested00%
LED headlights
FeatureValueRequested?
LED headlights500Yes
Auto-dimming headlights200Yes
Total Requested700100%
Total Not Requested00%
Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700Yes
Radar- or camera-based collision preparation system0Yes
Automatic braking, high-speed or partial200Yes
Forward collision warning200Yes
Total Requested1100100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Handwriting recognition200No
Total Requested60075%
Total Not Requested20025%
Dual-mode exhaust, switchable
FeatureValueRequested?
Dual-mode exhaust, switchable500Yes
Sport exhaust0No
Total Requested500100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather800Yes
Leather upholstery, extended coverage0No
Total Requested800100%
Total Not Requested00%
Wood/leather-wrapped steering wheel
FeatureValueRequested?
Wood/leather-wrapped steering wheel150Yes
Audio controls on steering wheel125Yes
Heated steering wheel100No
Total Requested27573%
Total Not Requested10027%
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 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
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
Front sport buckets100No
Total Requested150083%
Total Not Requested30017%
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 washers50No
Total Requested185093%
Total Not Requested1507%
Porsche Connect Plus
FeatureValueRequested?
Traffic information25Yes
In-vehicle Internet150Yes
Wi-Fi hotspot50Yes
4G LTE connectivity0No
Navigation map updates, three years0Yes
Telematics service, such as OnStar200Yes
App support0Yes
Remote app25Yes
Apple CarPlay support100Yes
Total Requested550100%
Total Not Requested00%

Option Package Details
Porsche 718 Boxster S

Torque vectoring, brake-based
FeatureValueRequested?
Torque vectoring, brake-based100Yes
Limited-slip rear differential300Yes
Total Requested400100%
Total Not Requested00%
LED headlights
FeatureValueRequested?
LED headlights500Yes
Auto-dimming headlights200Yes
Total Requested700100%
Total Not Requested00%
Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700Yes
Radar- or camera-based collision preparation system0Yes
Automatic braking, high-speed or partial200Yes
Forward collision warning200Yes
Total Requested1100100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Handwriting recognition200No
Total Requested60075%
Total Not Requested20025%
Sport suspension (upgrade)
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Adaptive dampers - electrical500Yes
Total Requested750100%
Total Not Requested00%
Dual-mode exhaust, switchable
FeatureValueRequested?
Dual-mode exhaust, switchable500Yes
Sport exhaust0No
Total Requested500100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather800Yes
Leather upholstery, extended coverage0No
Total Requested800100%
Total Not Requested00%
Wood/leather-wrapped steering wheel
FeatureValueRequested?
Wood/leather-wrapped steering wheel150Yes
Audio controls on steering wheel125Yes
Heated steering wheel100No
Total Requested27573%
Total Not Requested10027%
235/35ZR20 tires
FeatureValueRequested?
235/35ZR20 tires200No
265/35ZR20 tires200No
Total Requested00%
Total Not Requested400100%
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 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
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
Front sport buckets100No
Total Requested150083%
Total Not Requested30017%
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 washers50No
Total Requested185093%
Total Not Requested1507%
Porsche Connect Plus
FeatureValueRequested?
Traffic information25Yes
In-vehicle Internet150Yes
Wi-Fi hotspot50Yes
4G LTE connectivity0No
Navigation map updates, three years0Yes
Telematics service, such as OnStar200Yes
App support0Yes
Remote app25Yes
Apple CarPlay support100Yes
Total Requested550100%
Total Not Requested00%

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