Mercedes-Benz GLS vs. Porsche Cayenne
iSeeCars' unbiased and data-driven comparison of the Mercedes-Benz GLS and Porsche Cayenne contrasts the two cars across a broad spectrum of vehicle specifications to determine which car is better. In addition to comparing pricing and specs, iSeeCars uses all the ratings, rankings, and insights from its comprehensive analyses of each vehicle model, including calculations of reliability, safety, depreciation, value retention, and the vehicle's projected lifetime recalls (based on analyzing over 25 billion data points). This in-depth evaluation is used to identify which vehicle represents a better overall choice for shoppers who are considering both the Mercedes-Benz GLS and the Porsche Cayenne.
In comparing the Mercedes-Benz GLS's and the Porsche Cayenne's specifications and ratings, the Mercedes-Benz GLS has the advantage in the areas of new vehicle base pricing and base engine power. The Porsche Cayenne has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, reliability, resale value and overall quality score. Based on this comparison of the Mercedes-Benz GLS's and the Porsche Cayenne's specifications and ratings, the Porsche Cayenne is a better car than the Mercedes-Benz GLS.
Pricing: A used 2024 Mercedes-Benz GLS ranges from $83,588 to $179,881 while a used 2024 Porsche Cayenne is priced between $83,389 to $214,205. For a new model, the Mercedes-Benz GLS's price is between $89,741 and $187,332, with the Porsche Cayenne priced between $90,880 and $144,361.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the Mercedes-Benz GLS loses 55.8 percent of its value and the Porsche Cayenne loses 46.6 percent of its value. This means the Porsche Cayenne retains 9.2 percentage points more of its value and has the advantage of higher resale value versus the Mercedes-Benz GLS.
Quality Rating: The iSeeCars Overall Quality rating for the Mercedes-Benz GLS is 6.3 out of 10 while the Porsche Cayenne's quality rating is 8.0 out of 10. This results in the Mercedes-Benz GLS being ranked 39 out of 68 Best Luxury Crossover SUVs and the Porsche Cayenne being ranked 14 out of 68.
Reliability Rating: iSeeCars’ Reliability Rating for the Mercedes-Benz GLS is 5.6 out of 10. For the Porsche Cayenne the reliability rating is 8.4 out of 10. This gives the Porsche Cayenne an advantage in reliability compared to the Mercedes-Benz GLS.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Mercedes-Benz GLS’s base engine makes 375 horsepower, and the Porsche Cayenne base engine makes 348 horsepower.
New Car Pricing
Asking Price:
$89,741 - $187,332
Starting MSRP:
$87,000
Category Avg Starting MSRP:
(Luxury Large SUVs)
$88,803
Category Starting MSRP Range:
(Luxury Large SUVs)
$43,900 - $155,295
New Car Pricing
Asking Price:
$90,880 - $144,361
Starting MSRP:
$79,200
Category Avg Starting MSRP:
(Luxury Midsize SUVs)
$72,087
Category Starting MSRP Range:
(Luxury Midsize SUVs)
$48,600 - $127,200
Used Car Pricing
Avg Used Car Price:
$106,084
Price Range:
$83,588 - $179,881
Category Avg Price:
(Luxury Large SUVs)
$108,428
Category Avg Price Range:
(Luxury Large SUVs)
$48,353 - $235,429
# Used Cars for Sale Nationally:
560
Avg Mileage of Used Cars for Sale:
3,843
# Good or Great Deals:
89
Used Car Pricing
Avg Used Car Price:
$110,575
Price Range:
$83,389 - $214,205
Category Avg Price:
(Luxury Midsize SUVs)
$82,938
Category Avg Price Range:
(Luxury Midsize SUVs)
$54,923 - $133,203
# Used Cars for Sale Nationally:
235
Avg Mileage of Used Cars for Sale:
6,401
# Good or Great Deals:
50
5-year Depreciation
Depreciation $:
$49,089
Depreciation %:
56.4%
Resale Value $:
$37,911
Residual Value %:
43.6%
Typical Category Depreciation %:
(Luxury Large SUVs)
57%
Category Depreciation Range:
(Luxury Large SUVs)
42.8% - 61.5%
5-year Depreciation
Depreciation $:
$37,075
Depreciation %:
46.8%
Resale Value $:
$42,125
Residual Value %:
53.2%
Typical Category Depreciation %:
(Luxury Midsize SUVs)
53.4%
Category Depreciation Range:
(Luxury Midsize SUVs)
43.3% - 61%
Mercedes-Benz GLS Scores & Rankings
Overall Score:
6.3 / 10
Reliability:
5.6 / 10
Retained Value:
7.0 / 10
Safety:
Not available
Porsche Cayenne Scores & Rankings
Overall Score:
8.0 / 10
Reliability:
8.4 / 10
Retained Value:
7.6 / 10
Safety:
Not available
iSeeCars Reliability Insights for Mercedes-Benz GLS
Avg Life Expectancy (years):
11.8
Typical Category Life Expectancy:
(Luxury Large SUVs)
10.4
Category Life Expectancy Range:
(Luxury Large SUVs)
8.5 - 18.9
Chance of Reaching 200k Miles for a New Car:
22.2%
iSeeCars Reliability Insights for Porsche Cayenne
Avg Life Expectancy (years):
Typical Category Life Expectancy:
(Luxury Midsize SUVs)
10.1
Category Life Expectancy Range:
(Luxury Midsize SUVs)
7.9 - 12.8
Chance of Reaching 200k Miles for a New Car:
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
3.1
Typical Category Recalls:
(Luxury Large SUVs)
3.1
Category Range for Recalls:
(Luxury Large SUVs)
1.5 - 32.7
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
27.5
Typical Category Recalls:
(Luxury Midsize SUVs)
3.8
Category Range for Recalls:
(Luxury Midsize SUVs)
0.8 - 41.1
Mercedes-Benz GLS Rankings
Ranking
2 out of / 68Ranking
2 out of / 68Ranking
2 out of / 29Ranking
2 out of / 22Ranking
2 out of / 4Ranking
4 out of / 68Ranking
4 out of / 29Ranking
4 out of / 22Ranking
5 out of / 68Ranking
5 out of / 68Ranking
5 out of / 22Ranking
6 out of / 29Ranking
7 out of / 22Ranking
8 out of / 22Ranking
8 out of / 10Ranking
8 out of / 10Ranking
11 out of / 29Ranking
12 out of / 22Ranking
12 out of / 22Ranking
12 out of / 19Ranking
13 out of / 29Ranking
14 out of / 22Ranking
14 out of / 22Ranking
15 out of / 29Ranking
15 out of / 29Ranking
16 out of / 22Ranking
18 out of / 68Ranking
20 out of / 29Ranking
20 out of / 29Ranking
21 out of / 26Ranking
23 out of / 29Ranking
38 out of / 68Ranking
39 out of / 68Ranking
39 out of / 68Ranking
53 out of / 59Ranking
57 out of / 68Porsche Cayenne Rankings
Ranking
1 out of / 68Ranking
1 out of / 20Ranking
1 out of / 4Ranking
1 out of / 3Ranking
3 out of / 68Ranking
4 out of / 20Ranking
4 out of / 20Ranking
5 out of / 20Ranking
5 out of / 20Ranking
8 out of / 68Ranking
8 out of / 68Ranking
8 out of / 20Ranking
14 out of / 68Ranking
15 out of / 20Ranking
15 out of / 19Ranking
19 out of / 68Ranking
28 out of / 68Ranking
52 out of / 59Available Body Styles
SUV
Available Body Styles
SUV
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline, Plug-In Hybrid
Mercedes-Benz GLS Trim Levels
AMG GLS 63, GLS 450, GLS 580, Mercedes-Maybach GLS 600 4MATIC
Porsche Cayenne Trim Levels
Base, Coupe, S, S Coupe, Turbo GT
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years / 50000 miles
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years / 50000 miles
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
375 hp @ 5800 rpm
Torque:
369 foot-lbs @ 1800 rpm
Power-to-Weight Ratio (higher is better):
0.069 hp per pound
Towing capacity:
Not yet available
Base Drivetrain Specs
Horsepower:
348 hp @ 5400 rpm
Torque:
368 foot-lbs @ 1450 rpm
Power-to-Weight Ratio (higher is better):
0.074 hp per pound
Towing capacity:
Not yet available
Engine Specifications
Engine Size:
3 liters
Engine Configuration:
Inline
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
Not yet available
Range (city/hwy):
Not yet available
Recommended Fuel Type:
Not yet available
Engine Specifications
Engine Size:
3 liters
Engine Configuration:
V
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
17 / 23 / 19
Range (city/hwy):
403 / 545 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Adaptive Cruise Control:
Standard
Air Suspension:
Standard
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Automatic Parking:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Cooled/Ventilated Seats:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Standard
Power Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
Standard
Voice Recognition:
Standard
Wifi:
Standard
Wireless Smartphone Charging:
Standard
Captain's seat:
Available
Heated Steering Wheel:
Available
Massage Seats:
Available
Quad Seats:
Available
Trailer Hitch:
Available
Front Bench Seats:
N/A
Internet Radio:
N/A
Panoramic Sunroof/Moonroof
N/A
Roof Rack:
N/A
Standard/Optional Features
Adaptive Cruise Control:
Available
Air Suspension:
Available
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Automatic Parking:
Available
Bench Seats:
Standard
Bluetooth:
Standard
Cooled/Ventilated Seats:
Available
Heated Seats
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Standard
Power Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
Available
Voice Recognition:
Standard
Wifi:
N/A
Wireless Smartphone Charging:
Standard
Captain's seat:
N/A
Heated Steering Wheel:
Available
Massage Seats:
Available
Quad Seats:
N/A
Trailer Hitch:
Available
Front Bench Seats:
N/A
Internet Radio:
N/A
Panoramic Sunroof/Moonroof
Available
Roof Rack:
N/A
Safety Features
360-Degree Camera:
Standard
Blind Spot Monitoring:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
Standard
Backup camera:
N/A
Rear Seat Reminder:
N/A
Safety Features
360-Degree Camera:
N/A
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
N/A
Backup camera:
Standard
Rear Seat Reminder:
N/A
Interior Dimensions
Front Head Room:
39.4 inches
Front Leg Room:
40.3 inches
Front Shoulder Room:
59.3 inches
Rear Head Room:
40.2 inches
Rear Leg Room:
41.9 inches
Rear Shoulder Room:
58.5 inches
Cargo Space:
17.4 cubic feet
Cargo Space, 2nd-row seat folded down:
84.7 cubic feet
Overall Interior Volume:
161.0 cubic feet
Interior Dimensions
Front Head Room:
Not yet available
Front Leg Room:
Not yet available
Front Shoulder Room:
Not yet available
Rear Head Room:
Not yet available
Rear Leg Room:
Not yet available
Rear Shoulder Room:
Not yet available
Cargo Space:
27.2 cubic feet
Cargo Space, 2nd-row seat folded down:
60.3 cubic feet
Overall Interior Volume:
Not yet available
Exterior Dimensions
Curb Weight:
5467 lbs
Width:
84.9 inches
Height:
72.4 inches
Length:
205 inches
Wheelbase:
123.4 inches
Ground Clearance:
7.9 inches
Exterior Dimensions
Curb Weight:
4678 lbs
Width:
86.4 inches
Height:
66.8 inches
Length:
194.1 inches
Wheelbase:
114 inches
Ground Clearance:
8.3 inches
Standard Wheel/Tire Information
Wheel Size:
21.0 x 10.0 inches
Wheel Type:
aluminum alloy
Tire Size:
275/45R21
Standard Wheel/Tire Information
Wheel Size:
20.0 x 9.0 inches
Wheel Type:
aluminum alloy
Tire Size:
255/55R20
Exterior Colors
Black
Black / Obsidian Black Metallic
Blue
Twilight Blue Metallic
Gray
MANUFAKTUR Alpine Grey / Selenite Grey Metallic
Green
Emerald Green Metallic
Red
MANUFAKTUR Cardinal Red Metallic
Silver
Cirrus Silver Metallic
White
MANUFAKTUR Diamond White Metallic / MANUFAKTUR Moonlight White Metallic / Polar White
Beige
Not available
Exterior Colors
Black
Black / Chromite Black Metallic
Blue
Algarve Blue Metallic / Montego Blue Metallic
Gray
Arctic Grey / Chalk / Quartzite Grey Metallic
Green
Not available
Red
Carmine Red
Silver
Dolomite Silver Metallic
White
Carrara White Metallic / White
Beige
Cashmere Beige Metallic
Interior Colors
Beige
Catalana Beige/Black / Macchiato Beige/Black
Black
Black
Brown
Bahia Brown/Black
Gray
Not available
Green
Not available
Purple
Not available
Red
Not available
Interior Colors
Beige
Black/Mojave Beige
Black
Basalt Black w/ Cross-Stitching / Black / Black/Mojave Beige
Brown
Not available
Gray
Black/Chalk
Green
Black/Night Green
Purple
Black/Blackberry
Red
Basalt Black/Barrique Red w/ Cross-Stitching / Black/Bordeaux Red
