Porsche 718 Cayman Porsche 718 Cayman 2017 Mercedes-Benz SL Mercedes-Benz SL 2017

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

Join Us

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

Lowest Total Price: $90,845

Porsche 718 Cayman   
Difference: $74,530

Calculate Payments

  Down Payment Interest Rate Term
Model Year2017201720172017
Model718 Cayman718 CaymanSLSL
TrimBaseSAMG SL63AMG SL65
Body2dr Hatch2dr Hatch2dr Hardtop conv.2dr Hardtop conv.
Base Price $53,900 $66,300 $151,350 $219,850
Adaptive sport seats plus 3,825 3,825    
Torque vectoring, brake-based 1,320 1,320    
Adaptive dampers - electrical 1,790      
Adaptive cruise control, all-speed 1,670 1,670    
Porsche Connect Plus 1,300 1,300    
Navigation system 1,730 1,730    
Premium Package Plus 3,620 3,170    
LED headlights 1,170 1,170    
Ceramic brake rotors 7,400 7,400 8,950 8,950
Color seat belts 350 350 300 300
Blind spot warning system 690 690    
Synthetic suede headliner 1,180 1,180    
Wood/leather-wrapped steering wheel 990 990 650 650
Voice control for nav and audio 0 0    
Metal pedals 535 535    
Upholstered instrument panel, leather 2,160 2,160    
Illuminated door sill trim plates 825 825    
Dual-mode exhaust, switchable 2,890 2,540    
Wood trim 1,810 1,810 0 0
Metallic paint (extra cost) 640 640    
Wheels, dark finish   1,085 2,200 2,200
235/35ZR20   1,580    
Sport suspension (upgrade)   2,070    
Painted brake calipers (optional)     1,000 1,000
Adaptive sport seats plus 0 0    
Torque vectoring, brake-based 0 0    
Adaptive dampers - electrical 0      
Adaptive cruise control, all-speed 0 0    
Porsche Connect Plus 0 0    
Navigation system 0 0    
Premium Package Plus 0 0    
LED headlights 0 0    
Ceramic brake rotors 0 0 8,324 8,324
Color seat belts 0 0 279 279
Blind spot warning system 0 0    
Synthetic suede headliner 0 0    
Wood/leather-wrapped steering wheel 0 0 605 605
Voice control for nav and audio 0 0    
Metal pedals 0 0    
Upholstered instrument panel, leather 0 0    
Illuminated door sill trim plates 0 0    
Dual-mode exhaust, switchable 0 0    
Wood trim 0 0 0 0
Metallic paint (extra cost) 0 0    
Wheels, dark finish   0 2,046 2,046
235/35ZR20   0    
Sport suspension (upgrade)   0    
Painted brake calipers (optional)     930 930
Options (change) 35,895 38,040 13,100 13,100
Options (change) 0 0 12,184 12,184
Destination 1,050 1,050 925 925
Gas Tax 0 0 0 1,300
Total Price $90,845 $105,390 $165,375 $235,175

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 718 Cayman 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 718 Cayman vs. Mercedes-Benz SL

Lowest Adjusted Price and Invoice: Porsche 718 Cayman
TrueDelta Adjusted Price Difference: $59,250
TrueDelta Adjusted Invoice Difference: $138,598
Model Year2017201720172017
Model718 Cayman718 CaymanSLSL
TrimBaseSAMG SL63AMG SL65
Body2dr Hatch2dr Hatch2dr Hardtop conv.2dr Hardtop conv.
Engine300hp H4350hp H4577hp V8621hp V12
TransmissionM6M6T7T7
DrivetrainRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)110, 6110, 6600, 11900, 12
Tire (rear if not all the same)235/45-18235/35-20255/35-19255/35-19
Total Price$90,845$105,390$165,375$235,175
Adjustments for Features00-15,280-19,380
Feature-Adjusted Total Price$90,845$105,390$150,095$215,795
Cost Above Minimum$0$14,545$0$65,700

Return to top

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

Model Year2017201720172017
Model718 Cayman718 CaymanSLSL
TrimBaseSAMG SL63AMG SL65
Body2dr Hatch2dr Hatch2dr 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 
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
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
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 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  
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$3,400$3,400$18,680$22,780
Value of Feature Adjustments$0$0$15,280$19,380
Value of Feature Adjustments00-14,217-18,036

Return to top

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

Model Year20172017
Model718 CaymanSL
Body2dr Hatch2dr Hardtop conv.
Wheelbase97.4 in101.7 in
Length172.4 in182.3 in
Width70.9 in73.9 in
Height51.0 in51.2 in
Curb Weight2,945 lb.3,827 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
15.0 ft38.5 ft3
Cargo Volume,
Maximum
15.013.5 ft3

Return to top

Option Package Details
Porsche 718 Cayman

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 buckets100No
Total Requested150083%
Total Not Requested30017%
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%
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%

Option Package Details
Porsche 718 Cayman 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 buckets100No
Total Requested150083%
Total Not Requested30017%
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%
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%

Option Package Details
Mercedes-Benz SL AMG SL63

Wheels, dark finish
FeatureValueRequested?
Wheels, dark finish0Yes
Alloy wheels, optional design0No
255/35ZR19 tires200No
285/30ZR20 tires200No
Total Requested00%
Total Not Requested400100%

Option Package Details
Mercedes-Benz SL AMG SL65

Wheels, dark finish
FeatureValueRequested?
Wheels, dark finish0Yes
Alloy wheels, optional design0No
Total Requested00%
Total Not Requested0100%

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 Hatchbacks
See TrueDelta's information for all Porsche models.