Porsche Cayman Porsche Cayman 2008 Mercedes-Benz GLS Mercedes-Benz GLS 2017

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Porsche Cayman vs. Mercedes-Benz GLS 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 Cayman vs. Mercedes-Benz GLS Invoice Comparison

Lowest Total Price: $83,515

Porsche Cayman S   
Difference: $42,010

Lowest Total Invoice: $72,453

Porsche Cayman S   
Difference: $44,350

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082017
ModelCaymanGLS
TrimSAMG GLS63
Body2dr Hatch4dr SUV
Base Price $59,100 $124,100
Base Invoice $51,567 $115,413
Preferred Package 2,190  
Sport Chrono Package 920  
Adaptive dampers - electrical 1,990  
Adaptive Sports Seats 3,055  
Metallic paint (extra cost) 690  
Synthetic suede headliner 1,180  
Upholstered instrument panel, leather 1,735  
Wood trim 890  
Automatic climate control, front 550  
Audio controls on steering wheel 990  
Navigation system 3,110  
Obstacle detection, rear 530  
Illuminated door sill trim plates 725  
Synthetic suede steering wheel 1,105 500
Xenon HID headlights 1,090  
5-speed shiftable automatic 2,805  
Preferred Package 1,862  
Sport Chrono Package 782  
Adaptive dampers - electrical 1,692  
Adaptive Sports Seats 2,597  
Metallic paint (extra cost) 587  
Synthetic suede headliner 1,003  
Upholstered instrument panel, leather 1,475  
Wood trim 757  
Automatic climate control, front 468  
Audio controls on steering wheel 842  
Navigation system 2,644  
Obstacle detection, rear 451  
Illuminated door sill trim plates 616  
Synthetic suede steering wheel 939 465
Xenon HID headlights 927  
5-speed shiftable automatic 2,384  
Options (change) 23,555 500
Options (change) 20,026 465
Destination 860 925
Total Price $83,515 $125,525
Total Invoice $72,453 $116,803

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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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TrueDelta Value Comparison: Porsche Cayman vs. Mercedes-Benz GLS

Lowest Adjusted Price and Invoice: Porsche Cayman S
TrueDelta Adjusted Price Difference: $23,305
TrueDelta Adjusted Invoice Difference: $26,945
Model Year20082017
ModelCaymanGLS
TrimSAMG GLS63
Body2dr Hatch4dr SUV
Engine295hp H6550hp V8
TransmissionT5T7
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)18/25 MPG13/17 MPG
Audio (watts, speakers)325, 11830, 14
Tire (rear if not all the same)235/40-18295/40-21
Total Price$83,515$125,525
Adjustments for Features0-18,705
Feature-Adjusted Total Price$83,515$106,820
Total Invoice$72,453$116,803
Adjustments for Features0-17,405
Feature-Adjusted Total Invoice$72,453$99,398

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Features Comparison: Porsche Cayman vs. Mercedes-Benz GLS

Model Year20082017
ModelCaymanGLS
TrimSAMG GLS63
Body2dr Hatch4dr SUV
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
7-speed manually-shiftable automatic $1200
RWD$0 
AWD $1700
Accessories 
AC power outlet $100
Adaptive cruise control, all-speed $850
Cruise control$150 
Heated / cooled cup holders, front row $75
Power door closers $300
Power flip-out rear side windows $125
Power liftgate $350
Power rear side windows $200
Proximity key $250
Remote app $25
Remote climate control $25
Remote start via app $75
Remote window/roof operation $15
Semi-automated parking system $500
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Around view cameras $500
Automatic braking, high-speed or partial $200
Automatic braking, low-speed $200
Blind spot collision prevention $150
Blind spot warning system $200
Brake assist $50
Driver drowsiness monitor $150
Forward collision warning $200
Hill descent control $250
Knee airbag, driver $75
Lane departure prevention $150
Lane departure warning $200
Obstacle detection, front $150
Radar- or camera-based collision preparation system $0
Rear side airbags $300
Rollover sensor $50
Side curtain airbags, three rows $500
Temporary spare tire $150
Trailer sway control $25
Cargo Management 
Aluminum roof rails $250
Cargo cover $75
Console with shifter$150 
Console without shifter $150
Climate Control 
Automatic air recirculation $100
Dual-zone climate control $125
Rear air vents with automatic controls $250
Rear HVAC unit $400
Rear wiper $175
Water-repellent front-door glass$15 
Engine / Motor 
Automatic start / stop $150
Mid-engine configuration$0 
Exterior 
Deep-tinted rear windows $275
Glass roof panel(s) $300
Laminated front side windows $200
Panoramic sunroof $1200
Rear bumper protector $40
Rear spoiler $200
Retractable rear spoiler$400 
Running boards $350
Wheel-lip moldings $75
Infotainment 
Android Auto support $100
App support $0
Apple CarPlay support $100
Bluetooth audio streaming $25
Bluetooth cell phone link $100
DVD-compatible player $0
HD radio $50
In-vehicle Internet $150
Media drive $15
MP3-compatible player $50
Navigation map updates, three years $0
Satellite radio $200
SD Card slot $25
SMS text-to-speech reader $25
Telematics service, such as OnStar, with navigation $225
Traffic + travel information $25
USB port $25
Voice control for nav and audio $100
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Adaptive headlights $200
Analog clock $25
Auto-dimming headlights $200
Auto-dimming passenger-side mirror$75 
Automatic headlights $125
Chronometer$100 
Compass $0
Fog lights$125 
Headlight washers$50 
Interior ambient lighting$150 
Interior ambient lighting, configurable $150
LED headlights $1000
Mirror tilt-down in reverse $25
Power-folding mirrors $50
Turn signals on or near mirrors $25
Xenon HID headlights$500 
Seats and Interior Trim 
Center armrest(s), second row $50
Cooled or ventilated front seats $300
Folding second row seats $300
Heated second row seats $200
Leather seating surfaces, third-row seats $200
Manual recliner, second row seats $75
Massage, driver seat $100
Massage, passenger seat $100
Memory system, passenger seat $150
Metal pedals$75 
No leather in second row$-300 
Power 4-way lumbar adjuster, passenger seat $150
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Power release, second row seats $50
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
Power-folding third row seats $1000
Suspension, Wheels, and Tires 
Active stabilizer bars $500
Air suspension, auto-leveling and height adjustable $1000
Crosswind stabilization $50
Sport suspension (upgrade) $0
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$2,940$21,645
Value of Feature Adjustments$0$18,705
Value of Feature Adjustments0-17,405

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Specifications Comparison: Porsche Cayman vs. Mercedes-Benz GLS

Model Year20082017
ModelCaymanGLS
Body2dr Hatch4dr SUV
Wheelbase95.1 in121.1 in
Length170.9 in202.0 in
Width70.9 in76.1 in
Height51.4 in72.8 in
Curb Weight3,163 lb.5,754 lb.
Fuel Capacity17.0 gal.26.4 gal.
Row 1 Headroom0.0 in41.2 in
Row 1 Shoulder Room0.0 in58.5 in
Row 1 Legroom0.0 in40.3 in
Row 2 Headroom0.0 in40.0 in
Row 2 Shoulder Room0.0 in58.3 in
Row 2 Legroom0.0 in38.5 in
Row 3 Headroom0.0 in38.9 in
Row 3 Shoulder Room0.0 in50.5 in
Row 3 Legroom0.0 in35.0 in
Cargo Volume,
Minimum
14.5 ft316.0 ft3
Cargo Volume,
Behind R2
14.549.4 ft3
Cargo Volume,
Maximum
14.593.8 ft3

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Option Package Details
Porsche Cayman S

Preferred Package
FeatureValueRequested?
Surround sound250Yes
Bose, 325W, 11 speakers (with subwoofer)350No
Heated front seats200Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Floor mats75Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested85067%
Total Not Requested42533%
Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%
Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested115085%
Total Not Requested20015%

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