Mercedes-Benz GLS Mercedes-Benz GLS 2018 Porsche Cayman Porsche Cayman 2014

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

Lowest Total Price: $78,465

Porsche Cayman   
Difference: $6,860

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182018201820142014
ModelGLSGLSGLSCaymanCayman
TrimGLS450GLS550AMG GLS63BaseS
Body4dr SUV4dr SUV4dr SUV2dr Hatch2dr Hatch
Base Price $69,550 $94,950 $125,300 $52,600 $63,800
Obstacle detection, rear 970     530 530
Premium 1 Package 3,830        
designo Edition 4,900 4,200      
Adaptive dampers - electrical 800     1,790 1,790
Special order charge 250        
Multicontour seats 1,100        
Lighting Package 1,390        
Metallic paint (extra cost) 720     710 710
Heated steering wheel 250 250   270 270
Cooled or ventilated front seats 570        
Adaptive cruise control, all-speed       2,170 2,170
Premium Package Plus       3,620 2,950
Infotainment Package       3,990 3,990
Adaptive sport seats plus       3,825 3,825
Upholstered instrument panel, leather       2,025 2,025
Wood trim       1,790 1,790
Illuminated door sill trim plates       825 825
Audio controls on steering wheel       615 615
Synthetic suede headliner       1,180 1,180
Voice control for nav and audio       520 520
Rear wiper       360 360
Obstacle detection, front       330 330
Power-folding mirrors       320 320
Bose 505W 10 speakers         0
Obstacle detection, rear 902     451 451
Premium 1 Package 3,562        
designo Edition 4,557 3,906      
Adaptive dampers - electrical 744     0 0
Special order charge 233        
Multicontour seats 1,023        
Lighting Package 1,293        
Metallic paint (extra cost) 670     0 0
Heated steering wheel 233 233   0 0
Cooled or ventilated front seats 530        
Adaptive cruise control, all-speed       0 0
Premium Package Plus       0 0
Infotainment Package       0 0
Adaptive sport seats plus       0 0
Upholstered instrument panel, leather       0 0
Wood trim       0 0
Illuminated door sill trim plates       0 0
Audio controls on steering wheel       0 0
Synthetic suede headliner       0 0
Voice control for nav and audio       0 0
Rear wiper       0 0
Obstacle detection, front       0 0
Power-folding mirrors       0 0
Bose 505W 10 speakers         0
Options (change) 14,780 4,450 0 24,870 24,200
Options (change) 13,747 4,139 0 451 451
Destination 995 995 995 995 995
Total Price $85,325 $100,395 $126,295 $78,465 $88,995

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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: Mercedes-Benz GLS vs. Porsche Cayman

Lowest Adjusted Price: Mercedes-Benz GLS GLS450
Lowest Adjusted Invoice: Porsche Cayman S
TrueDelta Adjusted Price Difference: $4,390
TrueDelta Adjusted Invoice Difference: $67,510
Model Year20182018201820142014
ModelGLSGLSGLSCaymanCayman
TrimGLS450GLS550AMG GLS63BaseS
Body4dr SUV4dr SUV4dr SUV2dr Hatch2dr Hatch
Engine362hp V6449hp V8550hp V8275hp H6325hp H6
TransmissionT9T9T7M6M6
DrivetrainAWDAWDAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)80, 8830, 14830, 1450, 4445, 10
Tire (rear if not all the same)275/55-19295/40-21295/40-21235/45-18235/40-19
Total Price$85,325$100,395$126,295$78,465$88,995
Adjustments for Features-11,250-13,190-15,6400-250
Feature-Adjusted Total Price$74,075$87,205$110,655$78,465$88,745
Cost Above Minimum$0$13,130$36,580$0$10,280

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Features Comparison: Mercedes-Benz GLS vs. Porsche Cayman

Model Year20182018201820142014
ModelGLSGLSGLSCaymanCayman
TrimGLS450GLS550AMG GLS63BaseS
Body4dr SUV4dr SUV4dr SUV2dr Hatch2dr Hatch
Transmission and Drivetrain 
9-speed manually-shiftable automatic$1400$1400   
7-speed manually-shiftable automatic  $1200  
6-speed manual   $150$150
AWD$1700$1700$1700  
RWD   $0$0
Accessories 
AC power outlet$100$100$100  
Adaptive cruise control, all-speed  $850$850$850
Cruise control$150$150   
Heated / cooled cup holders, front row $75$75  
Heated steering wheel$100$100 $100$100
Power door closers $300$300  
Power flip-out rear side windows$125$125$125  
Power liftgate$350$350$350  
Power rear side windows$200$200$200  
Remote app$25$25$25  
Remote climate control$25$25$25  
Remote start via app$75$75$75  
Remote window/roof operation$15$15$15  
Semi-automated parking system$500$500$500  
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0$0  
Around view cameras $500$500  
Automatic braking, high-speed or partial  $200$200$200
Automatic braking, low-speed  $200  
Blind spot collision prevention  $150  
Blind spot warning system$200$200$200  
Driver drowsiness monitor$150$150$150  
Hill descent control$250$250$250  
Knee airbag, passenger   $75$75
Lane departure prevention  $150  
Lane departure warning$200$200$200  
Rear side airbags$300$300$300  
Rearview camera$200    
Rollover sensor$50$50$50  
Side curtain airbags   $350$350
Side curtain airbags, three rows$500$500$500  
Temporary spare tire$150$150$150  
Trailer sway control$25$25$25  
Cargo Management 
Aluminum roof rails$250$250$250  
Cargo cover$75$75$75  
Cargo net $40$40$40$40
Console with shifter   $150$150
Console without shifter$150$150$150  
Climate Control 
Rear air vents$100    
Rear air vents with automatic controls $250$250  
Rear HVAC unit $400$400  
Residual heat   $50$50
Water-repellent front-door glass   $15$15
Engine / Motor 
Mid-engine configuration   $0$0
Regenerative braking   $0$0
Exterior 
Deep-tinted rear windows$275$275$275  
Glass roof panel(s)  $300  
Laminated front side windows$200$200$200  
Panoramic sunroof  $1200  
Rear bumper protector$40$40$40  
Rear spoiler$200$200$200  
Retractable rear spoiler   $400$400
Running boards $350$350  
Sunroof$900$900   
Wheel-lip moldings $75$75  
Infotainment 
Android Auto support$100$100$100  
Apple CarPlay support$100$100$100  
Aux input   $50$50
DVD-Audio-compatible player   $0$0
DVD-compatible player$0$0$0  
In-vehicle Internet$150$150$150  
Navigation map updates, three years$0$0$0  
Off-road navigation system   $0$0
SD Card slot$25$25$25  
SMS text-to-speech reader$25$25$25  
Surround sound $250$250 $250
Telematics service, such as OnStar, with navigation$225$225$225  
Traffic + travel information$25$25$25  
Traffic information   $25$25
Wi-Fi hotspot$50$50$50  
Instruments, Lights, and Mirrors 
Adaptive headlights$200$200$200  
Analog clock$25$25$25  
Auto-dimming headlights$200$200$200  
Auto-dimming passenger-side mirror   $75$75
Compass$0$0$0  
Fog lights   $125$125
Headlight washers   $50$50
Interior ambient lighting   $150$150
Interior ambient lighting, configurable$150$150$150  
LED headlights$1000$1000$1000  
Mirror tilt-down in reverse$25$25$25  
Steering-linked headlights   $150$150
Turn signals on or near mirrors$25$25$25  
Xenon HID headlights   $500$500
Seats and Interior Trim 
Center armrest(s), second row$50$50$50  
Folding second row seats$300$300$300  
Heated second row seats  $200  
Leather seating surfaces, third-row seats$200$200$200  
Manual recliner, second row seats$75$75$75  
Massage, driver seat$100$100$100  
Massage, passenger seat$100$100$100  
Memory system, passenger seat$150$150$150  
Metal pedals   $75$75
No leather in second row   $-300$-300
Power headrest height adjuster, driver seat$50$50$50  
Power headrest height adjuster, passenger seat$50$50$50  
Power release, second row seats  $50  
Power thigh bolsters, driver seat   $100$100
Power thigh bolsters, passenger seat   $100$100
Power-folding third row seats$1000$1000$1000  
Suspension, Wheels, and Tires 
Active stabilizer bars  $500  
Air suspension, auto-leveling and height adjustable$1000$1000$1000  
Crosswind stabilization$50$50$50  
Electronic systems calibration selector$200$200$200  
Sport suspension (upgrade)  $0$0$0
Transmission 
Steering-wheel-mounted transmission controls$100$100$100  
Total Value of Features$14,730$16,670$19,120$3,480$3,730
Value of Feature Adjustments$11,250$13,190$15,640$0$250
Value of Feature Adjustments-10,472-12,276-14,5540-4

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Specifications Comparison: Mercedes-Benz GLS vs. Porsche Cayman

Model Year20182014
ModelGLSCayman
Body4dr SUV2dr Hatch
Wheelbase121.1 in97.4 in
Length202.0 in172.4 in
Width76.1 in70.9 in
Height72.8 in50.9 in
Curb Weight5,401 lb.2,889 lb.
Fuel Capacity26.4 gal.16.9 gal.
Row 1 Headroom41.2 in0.0 in
Row 1 Shoulder Room58.5 in0.0 in
Row 1 Legroom40.3 in0.0 in
Row 2 Headroom40.0 in0.0 in
Row 2 Shoulder Room58.3 in0.0 in
Row 2 Legroom38.5 in0.0 in
Row 3 Headroom38.9 in0.0 in
Row 3 Shoulder Room50.5 in0.0 in
Row 3 Legroom35.0 in0.0 in
Cargo Volume,
Minimum
16.0 ft315.0 ft3
Cargo Volume,
Behind R2
49.4 ft315.0 ft3
Cargo Volume,
Maximum
93.8 ft315.0 ft3

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Option Package Details
Mercedes-Benz GLS GLS450

Premium 1 Package
FeatureValueRequested?
Power headrest height adjuster, passenger seat50No
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, passenger seat150No
Satellite radio200Yes
Proximity key250Yes
Lane departure warning200No
Blind spot warning system200No
Illuminated door sill trim plates100Yes
Smartphone integration0No
Wi-Fi hotspot50No
Interior ambient lighting, configurable150No
Apple CarPlay support100No
Android Auto support100No
Media drive15Yes
Traffic + travel information25Yes
In-vehicle Internet150No
App support0Yes
Navigation map updates, three years0No
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested144056%
Total Not Requested115044%
designo Edition
FeatureValueRequested?
Upgraded leather upholstery0No
Leather upholstery, extended coverage900Yes
Special interior trim0No
Synthetic suede headliner650Yes
Leather door panel trim250Yes
Upholstered instrument panel, leather700Yes
Leather seating surfaces, third-row seats200No
Total Requested250093%
Total Not Requested2007%
Multicontour seats
FeatureValueRequested?
Power thigh support length adjuster, driver seat100Yes
Power seatback bolsters, driver seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length adjuster, passenger seat100Yes
Power seatback bolsters, passenger seat100Yes
Massage, driver seat100No
Massage, passenger seat100No
Front sport buckets100Yes
Total Requested65076%
Total Not Requested20024%
Lighting Package
FeatureValueRequested?
Auto-dimming headlights200No
iPod integration100Yes
LED headlights1000No
Adaptive headlights200No
Total Requested1007%
Total Not Requested140093%

Option Package Details
Mercedes-Benz GLS GLS550

designo Edition
FeatureValueRequested?
Upgraded leather upholstery0No
Leather upholstery, extended coverage0Yes
Special interior trim0No
Synthetic suede headliner650Yes
Leather door panel trim250Yes
Upholstered instrument panel, leather700Yes
Total Requested1600100%
Total Not Requested00%

Option Package Details
Porsche Cayman

Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700Yes
Radar- or camera-based collision preparation system0Yes
Automatic braking, high-speed200Yes
Forward collision alert200Yes
Total Requested1100100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather800Yes
Leather upholstery, extended coverage0Yes
Upholstered door panels, leather250Yes
Total Requested1050100%
Total Not Requested00%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Proximity key250Yes
Interior ambient lighting150Yes
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 adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50No
Automatic air recirculation100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Headlight washers50No
Total Requested360095%
Total Not Requested1755%
Infotainment Package
FeatureValueRequested?
Navigation system600Yes
Traffic information25Yes
Off-road navigation system0No
Media drive, large15Yes
App support0Yes
Satellite radio200Yes
DVD-Audio-compatible player0Yes
HD radio50Yes
USB port25Yes
Unbranded, 235W, 9 speakers350No
Total Requested91572%
Total Not Requested35028%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
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 adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Front sport buckets100Yes
Total Requested160089%
Total Not Requested20011%

Option Package Details
Porsche Cayman S

Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700Yes
Radar- or camera-based collision preparation system0Yes
Automatic braking, high-speed200Yes
Forward collision alert200Yes
Total Requested1100100%
Total Not Requested00%
Bose, 445W, 10 speakers (with subwoofer)
FeatureValueRequested?
Bose, 445W, 10 speakers (with subwoofer)350No
Surround sound250Yes
Total Requested25042%
Total Not Requested35058%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather800Yes
Leather upholstery, extended coverage0Yes
Total Requested800100%
Total Not Requested00%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Proximity key250Yes
Interior ambient lighting150Yes
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 adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50No
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 Requested310095%
Total Not Requested1755%
Infotainment Package
FeatureValueRequested?
Navigation system600Yes
Traffic information25Yes
Off-road navigation system0No
Media drive, large15Yes
App support0Yes
Satellite radio200Yes
DVD-Audio-compatible player0Yes
HD radio50Yes
USB port25Yes
Total Requested915100%
Total Not Requested00%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
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 adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Front sport buckets100Yes
Total Requested160089%
Total Not Requested20011%

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