Porsche 911 Porsche 911 2008 Mercedes-Benz GLS Mercedes-Benz GLS 2017

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Porsche 911 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 911 vs. Mercedes-Benz GLS Invoice Comparison

Lowest Total Price: $80,595

Mercedes-Benz GLS GLS450   
Difference: $26,750

Lowest Total Invoice: $75,019

Mercedes-Benz GLS GLS450   
Difference: $18,444

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082008201720172017
Model911911GLSGLSGLS
TrimTargaTarga SGLS450GLS550AMG GLS63
Body2dr Coupe2dr Coupe4dr SUV4dr SUV4dr SUV
Base Price $87,000 $97,300 $68,700 $93,850 $124,100
Base Invoice $76,038 $85,011 $63,891 $87,281 $115,413
Adaptive Sports Seats 3,055 3,055      
Sport Chrono Package Plus 960 960      
Auto-dimming rearview mirror 385 385      
Metallic paint (extra cost) 690 690 720    
Wood trim 890 890      
Bluetooth cell phone link 960 960      
Audio controls on steering wheel 990 990      
Rear wiper 360 360      
Heated front seats 500 500      
Floor mats 140 140      
Adaptive dampers - electrical 1,990   800    
Obstacle detection, rear 530 530 970    
Illuminated door sill trim plates 725 725      
Navigation system 2,110 2,110      
Upholstered instrument panel, leather 3,005 3,005      
Synthetic suede steering wheel 1,105 1,105     500
Xenon HID headlights 1,090        
Multicontour seats     1,100    
designo Edition     4,900 4,200  
Lighting Package     1,390    
Panoramic sunroof     1,090 1,090  
Adaptive Sports Seats 2,597 2,597      
Sport Chrono Package Plus 816 816      
Auto-dimming rearview mirror 327 327      
Metallic paint (extra cost) 587 587 670    
Wood trim 757 757      
Bluetooth cell phone link 816 816      
Audio controls on steering wheel 842 842      
Rear wiper 306 306      
Heated front seats 425 425      
Floor mats 119 119      
Adaptive dampers - electrical 1,692   744    
Obstacle detection, rear 451 451 902    
Illuminated door sill trim plates 616 616      
Navigation system 1,794 1,794      
Upholstered instrument panel, leather 2,554 2,554      
Synthetic suede steering wheel 939 939     465
Xenon HID headlights 927        
Multicontour seats     1,023    
designo Edition     4,557 3,906  
Lighting Package     1,293    
Panoramic sunroof     1,014 1,014  
Options (change) 19,485 16,405 10,970 5,290 500
Options (change) 16,565 13,946 10,203 4,920 465
Destination 860 860 925 925 925
Total Price $107,345 $114,565 $80,595 $100,065 $125,525
Total Invoice $93,463 $99,817 $75,019 $93,126 $116,803

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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: Porsche 911 vs. Mercedes-Benz GLS

Lowest Adjusted Price and Invoice: Mercedes-Benz GLS GLS450
TrueDelta Adjusted Price Difference: $35,950
TrueDelta Adjusted Invoice Difference: $27,007
Model Year20082008201720172017
Model911911GLSGLSGLS
TrimTargaTarga SGLS450GLS550AMG GLS63
Body2dr Coupe2dr Coupe4dr SUV4dr SUV4dr SUV
Engine325hp H6355hp H6362hp V6449hp V8550hp V8
TransmissionM6M6T9T9T7
DrivetrainAWDAWDAWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)235, 9235, 980, 8830, 14830, 14
Tire (rear if not all the same)235/40-18235/35-19275/55-19295/40-21295/40-21
Total Price$107,345$114,565$80,595$100,065$125,525
Adjustments for Features0-125-9,200-13,730-15,980
Feature-Adjusted Total Price$107,345$114,440$71,395$86,335$109,545
Cost Above Minimum$0$7,095$0$14,940$38,150
Total Invoice$93,463$99,817$75,019$93,126$116,803
Adjustments for Features0-109-8,563-12,778-14,870
Feature-Adjusted Total Invoice$93,463$99,708$66,456$80,348$101,933
Cost Above Minimum$0$6,245$0$13,892$35,477

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Features Comparison: Porsche 911 vs. Mercedes-Benz GLS

Model Year20082008201720172017
Model911911GLSGLSGLS
TrimTargaTarga SGLS450GLS550AMG GLS63
Body2dr Coupe2dr Coupe4dr SUV4dr SUV4dr SUV
Transmission and Drivetrain 
6-speed manual$150$150   
9-speed manually-shiftable automatic  $1400$1400 
7-speed manually-shiftable automatic    $1200
AWD$1700$1700$1700$1700$1700
Accessories 
AC power outlet  $100$100$100
Adaptive cruise control, all-speed    $850
Cruise control$150$150$150$150 
Heated / cooled cup holders, front row   $75$75
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
Proximity key   $250$250
Remote app  $25$25$25
Remote climate control  $25$25$25
Remote start via app  $75$75$75
Semi-automated parking system  $500$500$500
Tilt/telescoping steering wheel, manual$250$250   
Tilt/telescoping steering wheel, power  $350$350$350
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
Automatic braking, low-speed    $200
Blind spot collision prevention    $150
Blind spot warning system   $200$200
Driver drowsiness monitor  $150$150$150
Forward collision warning  $200$200$200
Hill descent control  $250$250$250
Knee airbag, driver  $75$75$75
Lane departure prevention    $150
Lane departure warning   $200$200
Obstacle detection, front  $150$150$150
Radar- or camera-based collision preparation system  $0$0$0
Rear side airbags  $300$300$300
Rearview camera  $200  
Rollover sensor  $50$50$50
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
Console with shifter$150$150   
Console without shifter  $150$150$150
Climate Control 
Automatic air recirculation  $100$100$100
Dual-zone climate control  $125$125$125
Rear air vents  $100  
Rear air vents with automatic controls   $250$250
Rear HVAC unit   $400$400
Water-repellent front-door glass$15$15   
Engine / Motor 
Automatic start / stop  $150$150$150
Rear-engine configuration$0$0   
Exterior 
Deep-tinted rear windows  $275$275$275
Glass roof panel(s)    $300
Laminated front side windows  $200$200$200
Rear bumper protector  $40$40$40
Rear spoiler  $200$200$200
Retractable rear spoiler$400$400   
Running boards   $350$350
Wheel-lip moldings   $75$75
Infotainment 
Android Auto support   $100$100
App support   $0$0
Apple CarPlay support   $100$100
Bluetooth audio streaming  $25$25$25
DVD-compatible player  $0$0$0
HD radio  $50$50$50
In-vehicle Internet   $150$150
Media drive   $15$15
Navigation map updates, three years   $0$0
Navigation system$600$600 $600$600
Off-road navigation system$0$0   
Satellite radio   $200$200
SD Card slot  $25$25$25
SMS text-to-speech reader  $25$25$25
Surround sound   $250$250
Telematics service, such as OnStar, with navigation  $225$225$225
Traffic + travel information   $25$25
USB port  $25$25$25
Voice control for nav and audio   $100$100
Wi-Fi hotspot   $50$50
Instruments, Lights, and Mirrors 
Adaptive headlights  $200$200$200
Analog clock  $25$25$25
Auto-dimming headlights  $200$200$200
Chronometer$100$100   
Compass  $0$0$0
Fog light, rear  $100$100$100
Fog lights $125   
Headlight washers$50$50   
Interior ambient lighting$150$150$150  
Interior ambient lighting, configurable   $150$150
LED headlights  $1000$1000$1000
Mirror tilt-down in reverse  $25$25$25
Power-folding mirrors  $50$50$50
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
Cooled or ventilated front seats   $300$300
Door sill trim plates  $100  
Heated second row seats    $200
Illuminated door sill trim plates$200$200 $200$200
Leather seating surfaces, third-row seats  $200$200$200
Leather-wrapped steering wheel  $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
Metal pedals$75$75   
Power headrest height adjuster, driver seat  $50$50$50
Power headrest height adjuster, passenger seat   $50$50
Power release, second row seats    $50
Power thigh bolsters, driver seat$100$100   
Power thigh bolsters, passenger seat$100$100   
Power thigh support length adjuster, driver seat  $100$100$100
Power thigh support length adjuster, passenger seat  $100$100$100
Power-folding third row seats  $1000$1000$1000
Synthetic suede steering wheel$150$150  $150
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
Sport suspension (upgrade)    $0
Transmission 
Steering-wheel-mounted transmission controls  $100$100$100
Total Value of Features$4,840$4,965$14,040$18,570$20,820
Value of Feature Adjustments$0$125$9,200$13,730$15,980
Value of Feature Adjustments0-109-8,563-12,778-14,870

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Specifications Comparison: Porsche 911 vs. Mercedes-Benz GLS

Model Year20082017
Model911GLS
Body2dr Coupe4dr SUV
Wheelbase92.5 in121.1 in
Length175.6 in202.0 in
Width71.2 in76.1 in
Height51.6 in72.8 in
Curb Weight3,076 lb.5,401 lb.
Fuel Capacity17.0 gal.26.4 gal.
Row 1 Headroom38.0 in41.2 in
Row 1 Shoulder Room51.7 in58.5 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 in40.3 in
Row 2 Headroom31.5 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
4.8 ft316.0 ft3
Cargo Volume,
Behind R2
4.849.4 ft3
Cargo Volume,
Maximum
4.893.8 ft3

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Option Package Details
Porsche 911 Targa

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 tilt adjuster, passenger seat100Yes
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
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Total Requested130087%
Total Not Requested20013%
Sport Chrono Package Plus
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%

Option Package Details
Porsche 911 Targa S

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 tilt adjuster, passenger seat100Yes
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
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Total Requested130087%
Total Not Requested20013%
Sport Chrono Package Plus
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%

Option Package Details
Mercedes-Benz GLS GLS450

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Semi-automated parking system500No
Total Requested25028%
Total Not Requested65072%
Multicontour seats
FeatureValueRequested?
Power thigh support length adjuster, driver seat100No
Power seatback bolsters, driver seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length adjuster, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Massage, driver seat100No
Massage, passenger seat100No
Front sport buckets100Yes
Total Requested45053%
Total Not Requested40047%
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 headlights200No
iPod integration100No
LED headlights1000No
Adaptive headlights200No
Total Requested00%
Total Not Requested1500100%

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%

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