Mercedes-Benz C-Class Mercedes-Benz C-Class 2015 Porsche 718 Cayman Porsche 718 Cayman 2017

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Mercedes-Benz C-Class 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 C-Class vs. Porsche 718 Cayman Invoice Comparison

Lowest Total Price: $57,435

Mercedes-Benz C-Class C350   
Difference: $31,520

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152017
ModelC-Class718 Cayman
TrimC350S
Body2dr Coupe2dr Hatch
Base Price $44,050 $66,300
Multimedia Package 2,770  
Obstacle detection, rear 970  
Leather Package 1,750  
Dynamic Handling Package 1,400  
Special order charge 250  
Driver Assistance Package 2,950  
Rear spoiler 300  
Metallic paint (extra cost) 720 640
Proximity key 650 790
Illuminated door sill trim plates 700 825
Wood trim 0  
Porsche Connect Plus   1,300
Navigation system   1,730
Premium Package   1,370
Adaptive sport seats plus   3,825
Heated steering wheel   470
7-speed automated manual   3,200
Adaptive cruise control, all-speed   1,670
LED headlights   1,170
Voice control for nav and audio   0
Metal pedals   535
Blind spot warning system   690
Torque vectoring, brake-based   1,320
Sport suspension (upgrade)   2,070
Multimedia Package 2,576  
Obstacle detection, rear 902  
Leather Package 1,628  
Dynamic Handling Package 1,302  
Special order charge 233  
Driver Assistance Package 2,744  
Rear spoiler 279  
Metallic paint (extra cost) 669 0
Proximity key 605 0
Illuminated door sill trim plates 651 0
Wood trim 0  
Porsche Connect Plus   0
Navigation system   0
Premium Package   0
Adaptive sport seats plus   0
Heated steering wheel   0
7-speed automated manual   0
Adaptive cruise control, all-speed   0
LED headlights   0
Voice control for nav and audio   0
Metal pedals   0
Blind spot warning system   0
Torque vectoring, brake-based   0
Sport suspension (upgrade)   0
Options (change) 12,460 21,605
Options (change) 11,589 0
Destination 925 1,050
Total Price $57,435 $88,955

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TrueDelta Value Comparison: Mercedes-Benz C-Class vs. Porsche 718 Cayman

Lowest Adjusted Price: Mercedes-Benz C-Class C350
Lowest Adjusted Invoice: Porsche 718 Cayman S
TrueDelta Adjusted Price Difference: $34,115
TrueDelta Adjusted Invoice Difference: $50,015
Model Year20152017
ModelC-Class718 Cayman
TrimC350S
Body2dr Coupe2dr Hatch
Engine302hp V6350hp H4
TransmissionT7S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)18/25 MPG21/28 MPG
Audio (watts, speakers)450, 12110, 6
Tire (rear if not all the same)225/40-18235/40-19
Total Price$57,435$88,955
Adjustments for Features-2,5950
Feature-Adjusted Total Price$54,840$88,955

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Features Comparison: Mercedes-Benz C-Class vs. Porsche 718 Cayman

Model Year20152017
ModelC-Class718 Cayman
TrimC350S
Body2dr Coupe2dr Hatch
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
7-speed automated manual $1200
RWD$0$0
Accessories 
Heated steering wheel $100
Parking guidance system - passive$250 
Remote window/roof operation$15 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Automatic braking, low-speed$200 
Blind spot collision prevention$150 
Driver drowsiness monitor$150 
Knee airbag, passenger $75
Lane departure prevention$150 
Lane departure warning$200 
Rear side airbags$300 
Temporary spare tire$150 
Cargo Management 
Cargo net $40
Overhead sunglass holder$25 
Second-row low console$100 
Climate Control 
Rear air vents$100 
Residual heat $50
Water-repellent front-door glass $15
Drivetrain 
Limited-slip rear differential $300
Engine / Motor 
Mid-engine configuration $0
Regenerative braking $0
Exterior 
Body kit$0 
Painted brake calipers (optional) $0
Panoramic sunroof$1200 
Rear spoiler$200 
Retractable rear spoiler $400
Infotainment 
4G LTE connectivity $0
Apple CarPlay support $100
Aux input $50
DVD-Audio-compatible player $0
DVD-compatible player$0 
Handwriting recognition $200
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
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror $75
Compass$0 
Cornering lights$50 
Headlight washers $50
Mirror tilt-down in reverse$25 
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Folding second row seats$300 
Leather door panel trim $250
Memory system, passenger seat$150 
No leather in second row $-300
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
Power thigh support length adjuster, driver seat $100
Power thigh support length adjuster, passenger seat $100
Wood trim$300 
Suspension, Wheels, and Tires 
Electronic systems calibration selector$200 
Total Value of Features$6,080$3,485
Value of Feature Adjustments$2,595$0
Value of Feature Adjustments-2,4160

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Specifications Comparison: Mercedes-Benz C-Class vs. Porsche 718 Cayman

Model Year20152017
ModelC-Class718 Cayman
Body2dr Coupe2dr Hatch
Wheelbase108.7 in97.4 in
Length180.7 in172.4 in
Width69.7 in70.9 in
Height54.8 in51.0 in
Curb Weight3,977 lb.3,054 lb.
Fuel Capacity15.6 gal.14.3 gal.
Row 1 Headroom37.0 in0.0 in
Row 1 Shoulder Room54.0 in0.0 in
Row 1 Legroom42.0 in0.0 in
Row 2 Headroom35.5 in0.0 in
Row 2 Shoulder Room50.3 in0.0 in
Row 2 Legroom33.0 in0.0 in
Cargo Volume11.7 ft315.0 ft3

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Option Package Details
Mercedes-Benz C-Class C350

Multimedia Package
FeatureValueRequested?
Rearview camera200Yes
SD Card slot25Yes
In-vehicle Internet150Yes
App support0Yes
Navigation map updates, three years0Yes
DVD-compatible player0No
Media drive15No
Traffic + travel information25Yes
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested110099%
Total Not Requested151%
Leather Package
FeatureValueRequested?
Leather seating surfaces900Yes
Power headrest height adjuster, passenger seat50No
Power 4-way lumbar adjuster, passenger seat100Yes
Memory system, passenger seat150No
Total Requested100083%
Total Not Requested20017%
Dynamic Handling Package
FeatureValueRequested?
Adaptive dampers - electrical400Yes
225/40ZR18 tires200No
Alloy wheels, optional design0No
Variable assist steering (optional)0No
255/35ZR18 tires200No
Electronic systems calibration selector200No
Torque vectoring / active trace control100Yes
Total Requested50045%
Total Not Requested60055%
Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200No
Adaptive cruise control, all-speed700Yes
Blind spot warning system200Yes
Lane departure prevention system150No
Automatic braking, low-speed200No
Automatic braking, high-speed200Yes
Forward collision warning200Yes
Blind spot intervention150No
Total Requested130065%
Total Not Requested70035%

Option Package Details
Porsche 718 Cayman S

Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Handwriting recognition200No
Total Requested60075%
Total Not Requested20025%
Heated steering wheel
FeatureValueRequested?
Heated steering wheel100No
Audio controls on steering wheel125Yes
Total Requested12556%
Total Not Requested10044%
7-speed automated manual
FeatureValueRequested?
7-speed automated manual0Yes
Steering-wheel-mounted transmission controls100Yes
Total Requested100100%
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%
LED headlights
FeatureValueRequested?
LED headlights500Yes
Auto-dimming headlights200Yes
Total Requested700100%
Total Not Requested00%
Torque vectoring, brake-based
FeatureValueRequested?
Torque vectoring, brake-based100Yes
Limited-slip rear differential300No
Total Requested10025%
Total Not Requested30075%
Sport suspension (upgrade)
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Adaptive dampers - electrical500Yes
Total Requested750100%
Total Not Requested00%
Porsche Connect Plus
FeatureValueRequested?
Traffic information25Yes
In-vehicle Internet150Yes
Wi-Fi hotspot50No
4G LTE connectivity0No
Navigation map updates, three years0Yes
Apple CarPlay support100No
Telematics service, such as OnStar200Yes
App support0Yes
Remote app25Yes
Total Requested40073%
Total Not Requested15027%
Premium Package
FeatureValueRequested?
Residual heat50No
Automatic air recirculation100Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Auto-dimming passenger-side mirror75No
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Steering-linked headlights150Yes
Headlight washers50No
Total Requested110086%
Total Not Requested17514%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Power tilt adjuster, driver 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
Front sport buckets100Yes
Total Requested120067%
Total Not Requested60033%

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