Mercedes-Benz GLS Mercedes-Benz GLS 2017 Porsche 718 Cayman Porsche 718 Cayman 2017

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

Lowest Total Price: $78,510

Porsche 718 Cayman   
Difference: $7,645

Calculate Payments

  Down Payment Interest Rate Term
Model Year20172017201720172017
ModelGLSGLSGLS718 Cayman718 Cayman
TrimGLS450GLS550AMG GLS63BaseS
Body4dr SUV4dr SUV4dr SUV2dr Hatch2dr Hatch
Base Price $68,700 $93,850 $124,100 $53,900 $66,300
Premium 1 Package 3,830        
Obstacle detection, rear 970        
designo Edition 4,900 4,200      
Lighting Package 1,390        
Driver Assistance Package 2,250        
Multicontour seats 1,100        
Metallic paint (extra cost) 720     640 640
Cooled or ventilated front seats 570        
Adaptive dampers - electrical 800     1,790  
Wheels, dark finish     500   1,085
Painted brake calipers (optional)     0    
LED headlights       1,170 1,170
Adaptive cruise control, all-speed       1,670 1,670
Heated steering wheel       470 470
Adaptive sport seats plus       3,825 3,825
Premium Package Plus       3,620 3,170
Porsche Connect Plus       1,300 1,300
Navigation system       1,730 1,730
Upholstered instrument panel, leather       2,160 2,160
Wood trim       1,810 1,810
Synthetic suede headliner       1,180 1,180
Illuminated door sill trim plates       825 825
Rear wiper       360 360
Power-folding mirrors       320 320
Blind spot warning system       690 690
Voice control for nav and audio       0 0
Sport suspension (upgrade)         2,070
235/35ZR20         1,580
Premium 1 Package 3,562        
Obstacle detection, rear 902        
designo Edition 4,557 3,906      
Lighting Package 1,293        
Driver Assistance Package 2,093        
Multicontour seats 1,023        
Metallic paint (extra cost) 670     0 0
Cooled or ventilated front seats 530        
Adaptive dampers - electrical 744     0  
Wheels, dark finish     465   0
Painted brake calipers (optional)     0    
LED headlights       0 0
Adaptive cruise control, all-speed       0 0
Heated steering wheel       0 0
Adaptive sport seats plus       0 0
Premium Package Plus       0 0
Porsche Connect Plus       0 0
Navigation system       0 0
Upholstered instrument panel, leather       0 0
Wood trim       0 0
Synthetic suede headliner       0 0
Illuminated door sill trim plates       0 0
Rear wiper       0 0
Power-folding mirrors       0 0
Blind spot warning system       0 0
Voice control for nav and audio       0 0
Sport suspension (upgrade)         0
235/35ZR20         0
Options (change) 16,530 4,200 500 23,560 26,055
Options (change) 15,374 3,906 465 0 0
Destination 925 925 925 1,050 1,050
Total Price $86,155 $98,975 $125,525 $78,510 $93,405

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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 718 Cayman

Lowest Adjusted Price: Mercedes-Benz GLS GLS450
Lowest Adjusted Invoice: Porsche 718 Cayman
TrueDelta Adjusted Price Difference: $3,765
TrueDelta Adjusted Invoice Difference: $68,520
Model Year20172017201720172017
ModelGLSGLSGLS718 Cayman718 Cayman
TrimGLS450GLS550AMG GLS63BaseS
Body4dr SUV4dr SUV4dr SUV2dr Hatch2dr Hatch
Engine362hp V6449hp V8550hp V8300hp H4350hp H4
TransmissionT9T9T7M6M6
DrivetrainAWDAWDAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)80, 8830, 14830, 14110, 6110, 6
Tire (rear if not all the same)275/55-19295/40-21295/40-21235/45-18235/35-20
Total Price$86,155$98,975$125,525$78,510$93,405
Adjustments for Features-11,410-11,450-14,00000
Feature-Adjusted Total Price$74,745$87,525$111,525$78,510$93,405
Cost Above Minimum$0$12,780$36,780$0$14,895

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

Model Year20172017201720172017
ModelGLSGLSGLS718 Cayman718 Cayman
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$850
Cruise control $150   
Heated / cooled cup holders, front row $75$75  
Heated steering wheel   $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 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$200
Automatic braking, low-speed$200 $200  
Blind spot collision prevention$150 $150  
Collision preparation system, rear$100    
Cross-traffic detection for collision preparation system$0    
Cross-traffic warning, rear$100    
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  
Lane keeping assist$400    
Pedestrian detection$50    
Rear side airbags$300$300$300  
Rearview camera$200  $200$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  
Painted brake calipers (optional)  $0 $0
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 
4G LTE connectivity   $0$0
Android Auto support$100$100$100  
Aux input   $50$50
DVD-Audio-compatible player   $0$0
DVD-compatible player$0$0$0  
Handwriting recognition   $200$200
Media drive$15$15$15  
Media drive, small   $5$5
Off-road navigation system   $0$0
SMS text-to-speech reader$25$25$25  
Surround sound $250$250  
Telematics service, such as OnStar   $200$200
Telematics service, such as OnStar, with navigation$225$225$225  
Traffic + travel information$25$25$25  
Traffic information   $25$25
Instruments, Lights, and Mirrors 
Adaptive headlights$200$200$200  
Analog clock$25$25$25  
Auto-dimming passenger-side mirror   $75$75
Compass$0$0$0  
Headlight washers   $50$50
Interior ambient lighting   $150$150
Interior ambient lighting, configurable$150$150$150  
Mirror tilt-down in reverse$25$25$25  
Steering-linked headlights   $150$150
Turn signals on or near mirrors$25$25$25  
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  
Leather-wrapped steering wheel$150 $150$150$150
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  
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  
Wood/leather-wrapped steering wheel $150   
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
Wheels, dark finish  $0 $0
Transmission 
Steering-wheel-mounted transmission controls$100$100$100  
Total Value of Features$14,945$14,985$17,535$3,535$3,535
Value of Feature Adjustments$11,410$11,450$14,000$0$0
Value of Feature Adjustments-10,620-10,656-13,02700

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

Model Year20172017
ModelGLS718 Cayman
Body4dr SUV2dr Hatch
Wheelbase121.1 in97.4 in
Length202.0 in172.4 in
Width76.1 in70.9 in
Height72.8 in51.0 in
Curb Weight5,401 lb.2,945 lb.
Fuel Capacity26.4 gal.14.3 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 warning system200No
Blind spot warning system200Yes
Illuminated door sill trim plates100Yes
Smartphone integration0No
Wi-Fi hotspot50Yes
Interior ambient lighting, configurable150No
Apple CarPlay support100Yes
Android Auto support100No
Navigation map updates, three years0Yes
Media drive15No
Traffic + travel information25Yes
In-vehicle Internet150Yes
App support0Yes
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested192574%
Total Not Requested66526%
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%
Lighting Package
FeatureValueRequested?
Auto-dimming headlights200Yes
iPod integration100Yes
LED headlights1000Yes
Adaptive headlights200No
Total Requested130087%
Total Not Requested20013%
Driver Assistance Package
FeatureValueRequested?
Speed limit information0No
Cross-traffic detection for collision preparation system0No
Rear cross-traffic detection100No
Collision preparation system, rear100No
Pedestrian detection50No
Lane keeping assist system400No
Blind spot intervention150No
Lane departure warning system200No
Adaptive cruise control, all-speed700Yes
Blind spot warning system200Yes
Automatic braking, low-speed200No
Automatic braking, high-speed or partial200Yes
Total Requested110048%
Total Not Requested120052%
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%

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 718 Cayman

LED headlights
FeatureValueRequested?
LED headlights500Yes
Auto-dimming headlights200Yes
Total Requested700100%
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%
Heated steering wheel
FeatureValueRequested?
Heated steering wheel100No
Audio controls on steering wheel125Yes
Total Requested12556%
Total Not Requested10044%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Handwriting recognition200No
Total Requested60075%
Total Not Requested20025%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather800Yes
Leather upholstery, extended coverage0Yes
Total Requested800100%
Total Not Requested00%
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, passenger seat150Yes
Power thigh support length adjuster, passenger seat100Yes
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
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support length adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Front sport buckets100Yes
Total Requested160089%
Total Not Requested20011%
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 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 Requested180090%
Total Not Requested20010%
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%

Option Package Details
Porsche 718 Cayman S

LED headlights
FeatureValueRequested?
LED headlights500Yes
Auto-dimming headlights200Yes
Total Requested700100%
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%
Heated steering wheel
FeatureValueRequested?
Heated steering wheel100No
Audio controls on steering wheel125Yes
Total Requested12556%
Total Not Requested10044%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Handwriting recognition200No
Total Requested60075%
Total Not Requested20025%
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 coverage0Yes
Total Requested800100%
Total Not Requested00%
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, passenger seat150Yes
Power thigh support length adjuster, passenger seat100Yes
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
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support length adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Front sport buckets100Yes
Total Requested160089%
Total Not Requested20011%
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 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 Requested180090%
Total Not Requested20010%
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%

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