Mercedes-Benz SLS AMG Mercedes-Benz SLS AMG 2015 Porsche 718 Cayman Porsche 718 Cayman 2017

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Mercedes-Benz SLS AMG vs. Porsche 718 Cayman 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 SLS AMG vs. Porsche 718 Cayman Invoice Comparison

Lowest Total Price: $82,085

Porsche 718 Cayman   
Difference: $160,520

Calculate Payments

  Down Payment Interest Rate Term
Model Year201520172017
ModelSLS AMG718 Cayman718 Cayman
TrimGT Final EditionBaseS
Body2dr Coupe2dr Hatch2dr Hatch
Base Price $221,580 $53,900 $66,300
Wheels, dark finish 1,000   1,085
Ceramic brake rotors 12,500 7,400 7,400
Carbon fiber door sill trim plates 4,500 675 675
Torque vectoring, brake-based   1,320 1,320
Adaptive dampers - electrical   1,790  
Heated steering wheel   470 470
Adaptive sport seats plus   3,825 3,825
Premium Package   1,780 1,370
Upholstered instrument panel, leather   2,160 2,160
Carbon fiber trim   1,810 1,810
Synthetic suede headliner   1,180 1,180
Navigation system   1,730 1,730
Proximity key   790 790
Blind spot warning system   690 690
Metal pedals   535 535
Interior ambient lighting   340 340
Voice control for nav and audio   0 0
Metallic paint (extra cost)   640 640
Sport suspension (upgrade)     2,070
235/35ZR20     1,580
Wheels, dark finish 930   0
Ceramic brake rotors 11,625 0 0
Carbon fiber door sill trim plates 4,185 0 0
Torque vectoring, brake-based   0 0
Adaptive dampers - electrical   0  
Heated steering wheel   0 0
Adaptive sport seats plus   0 0
Premium Package   0 0
Upholstered instrument panel, leather   0 0
Carbon fiber trim   0 0
Synthetic suede headliner   0 0
Navigation system   0 0
Proximity key   0 0
Blind spot warning system   0 0
Metal pedals   0 0
Interior ambient lighting   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) 18,000 27,135 29,670
Options (change) 16,740 0 0
Destination 925 1,050 1,050
Gas Tax 2,100 0 0
Total Price $242,605 $82,085 $97,020

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

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TrueDelta Value Comparison: Mercedes-Benz SLS AMG vs. Porsche 718 Cayman

Lowest Adjusted Price and Invoice: Porsche 718 Cayman
TrueDelta Adjusted Price Difference: $159,235
TrueDelta Adjusted Invoice Difference: $223,588
Model Year201520172017
ModelSLS AMG718 Cayman718 Cayman
TrimGT Final EditionBaseS
Body2dr Coupe2dr Hatch2dr Hatch
Engine583hp V8300hp H4350hp H4
TransmissionT7M6M6
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 6110, 6110, 6
Tire (rear if not all the same)265/35-19235/45-18235/35-20
Total Price$242,605$82,085$97,020
Adjustments for Features-1,28500
Feature-Adjusted Total Price$241,320$82,085$97,020
Cost Above Minimum$0$0$14,935

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Features Comparison: Mercedes-Benz SLS AMG vs. Porsche 718 Cayman

Model Year201520172017
ModelSLS AMG718 Cayman718 Cayman
TrimGT Final EditionBaseS
Body2dr Coupe2dr Hatch2dr Hatch
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200  
6-speed manual $150$150
RWD$0$0$0
Accessories 
Heated steering wheel $100$100
Remote window/roof operation$15  
Brakes, Airbags, and Other Safety 
Torque vectoring, brake-based $100$100
Cargo Management 
Storage compartment under front seat(s)$50  
Climate Control 
Water-repellent front-door glass $15$15
Wiper de-icer$25  
Engine / Motor 
Automatic start / stop $150$150
Mid-engine configuration $0$0
Regenerative braking $0$0
Exterior 
Bright-finished fuel door$100  
Carbon fiber front splitter spoiler$300  
Carbon fiber hood$0  
Carbon fiber wing-type rear spoiler$400  
Painted brake calipers (optional)$0 $0
Retractable rear spoiler $400$400
Infotainment 
Bluetooth audio streaming $25$25
CD changer, in-dash$325  
CD player $125$125
DVD-Audio-compatible player $0$0
DVD-compatible player$0  
Handwriting recognition $200$200
iPod integration$100  
Media drive$15  
Media drive, small $5$5
Off-road navigation system $0$0
Telematics service, such as OnStar$200  
Traffic information$25  
USB port $25$25
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror $75$75
Cornering lights$50  
Mirror tilt-down in reverse$25  
Steering-linked headlights $150$150
Turn signals on or near mirrors$25  
Seats and Interior Trim 
Leather-wrapped steering wheel $150$150
Memory system, passenger seat$150  
Power thigh bolsters, driver seat $100$100
Power thigh bolsters, passenger seat $100$100
Power thigh support length adjuster, driver seat $100$100
Power thigh support length adjuster, passenger seat $100$100
Synthetic suede inserts in leather seating surfaces$0  
Synthetic suede steering wheel$150  
Suspension, Wheels, and Tires 
Alloy wheels $350$350
Polished alloy wheels$350  
Sport suspension (upgrade)$0 $0
Wheels, dark finish$0 $0
Transmission 
Launch control$100  
Steering-wheel-mounted transmission controls$100  
Total Value of Features$3,705$2,420$2,420
Value of Feature Adjustments$1,285$0$0
Value of Feature Adjustments-1,19600

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Specifications Comparison: Mercedes-Benz SLS AMG vs. Porsche 718 Cayman

Model Year20152017
ModelSLS AMG718 Cayman
Body2dr Coupe2dr Hatch
Wheelbase105.5 in97.4 in
Length182.6 in172.4 in
Width76.3 in70.9 in
Height49.3 in51.0 in
Curb Weight3,727 lb.2,945 lb.
Fuel Capacity22.5 gal.14.3 gal.
Row 1 Headroom39.0 in0.0 in
Row 1 Shoulder Room58.4 in0.0 in
Row 1 Hip Room63.2 in0.0 in
Row 1 Legroom41.7 in0.0 in
Cargo Volume6.2 ft315.0 ft3

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Option Package Details
Porsche 718 Cayman

Torque vectoring, brake-based
FeatureValueRequested?
Torque vectoring, brake-based100No
Limited-slip rear differential300Yes
Total Requested30075%
Total Not Requested10025%
Heated steering wheel
FeatureValueRequested?
Heated steering wheel100No
Audio controls on steering wheel125Yes
Total Requested12556%
Total Not Requested10044%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather800Yes
Leather upholstery, extended coverage0No
Total Requested800100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Handwriting recognition200No
Total Requested60075%
Total Not Requested20025%
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 4-way lumbar adjuster, driver seat150Yes
Power thigh support length adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length adjuster, passenger seat100No
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
Front sport buckets100No
Total Requested130072%
Total Not Requested50028%
Premium Package
FeatureValueRequested?
Automatic air recirculation100Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Steering-linked headlights150No
Headlight washers50Yes
Total Requested105082%
Total Not Requested22518%

Option Package Details
Porsche 718 Cayman S

Torque vectoring, brake-based
FeatureValueRequested?
Torque vectoring, brake-based100No
Limited-slip rear differential300Yes
Total Requested30075%
Total Not Requested10025%
Heated steering wheel
FeatureValueRequested?
Heated steering wheel100No
Audio controls on steering wheel125Yes
Total Requested12556%
Total Not Requested10044%
Sport suspension (upgrade)
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Adaptive dampers - electrical500Yes
Total Requested750100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather800Yes
Leather upholstery, extended coverage0No
Total Requested800100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Handwriting recognition200No
Total Requested60075%
Total Not Requested20025%
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 4-way lumbar adjuster, driver seat150Yes
Power thigh support length adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length adjuster, passenger seat100No
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
Front sport buckets100No
Total Requested130072%
Total Not Requested50028%
Premium Package
FeatureValueRequested?
Automatic air recirculation100Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Steering-linked headlights150No
Headlight washers50Yes
Total Requested105082%
Total Not Requested22518%

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