Mercedes-Benz G-Class vs. Porsche Cayenne
iSeeCars' unbiased and data-driven comparison of the Mercedes-Benz G-Class 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 G-Class and the Porsche Cayenne.
When comparing the Mercedes-Benz G-Class's and the Porsche Cayenne's specifications and ratings, the Mercedes-Benz G-Class has the advantage in the areas of resale value and base engine power. The Porsche Cayenne has the advantage in the areas of new vehicle base pricing, typical lower range of pricing for one- to five-year-old used cars, and fuel efficiency. Based on this comparison of the Mercedes-Benz G-Class's and the Porsche Cayenne's specifications and ratings, the Porsche Cayenne is a better car than the Mercedes-Benz G-Class.
Pricing: A used 2025 Mercedes-Benz G-Class ranges from $158,255 to $259,999 while a used 2025 Porsche Cayenne is priced between $88,876 to $159,459. For a new model, the Mercedes-Benz G-Class's price is between $165,883 and $239,149, with the Porsche Cayenne priced between $97,895 and $162,325.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the Mercedes-Benz G-Class loses 39.8 percent of its value and the Porsche Cayenne loses 49.5 percent of its value. This means the Mercedes-Benz G-Class retains 9.7 percentage points more of its value and has the advantage of higher resale value versus the Porsche Cayenne.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Mercedes-Benz G-Class’s base engine makes 443 horsepower, and the Porsche Cayenne base engine makes 348 horsepower. The G-Class is rated to deliver an average of 18 miles per gallon, with a highway range of 502 miles. The Cayenne is rated to deliver an average of 19 miles per gallon, with a highway range of 545 miles. This gives the Porsche Cayenne the fuel efficiency and maximum range advantage over the Mercedes-Benz G-Class. Both models use premium unleaded.
New Car Pricing
Asking Price:
165883 - 239149
Starting MSRP:
148250
Category Avg Starting MSRP:
(Luxury Large SUVs)
96113
Category Starting MSRP Range:
(Luxury Large SUVs)
45100 - 165500
New Car Pricing
Asking Price:
97895 - 162325
Starting MSRP:
84700
Category Avg Starting MSRP:
(Luxury Midsize SUVs)
75104
Category Starting MSRP Range:
(Luxury Midsize SUVs)
48975 - 136200
Used Car Pricing
Avg Used Car Price:
212747
Price Range:
158255 - 259999
Category Avg Price:
(Luxury Large SUVs)
114530
Category Avg Price Range:
(Luxury Large SUVs)
48050 - 212747
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
Used Car Pricing
Avg Used Car Price:
111405
Price Range:
88876 - 159459
Category Avg Price:
(Luxury Midsize SUVs)
82207
Category Avg Price Range:
(Luxury Midsize SUVs)
50580 - 145833
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
5-year Depreciation
Depreciation $:
59511
Depreciation %:
0.40142291
Resale Value $:
88739
Residual Value %:
0.59857709
Typical Category Depreciation %:
(Luxury Large SUVs)
0.53387957
Category Depreciation Range:
(Luxury Large SUVs)
0.40142291 - 0.56934255
5-year Depreciation
Depreciation $:
42294
Depreciation %:
0.49934001
Resale Value $:
42406
Residual Value %:
0.5006599899999999
Typical Category Depreciation %:
(Luxury Midsize SUVs)
0.49798776
Category Depreciation Range:
(Luxury Midsize SUVs)
0.38914453 - 0.60966222
Mercedes-Benz G-Class Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
8.5 / 10
Safety:
Not available
Porsche Cayenne Scores & Rankings
Overall Score:
8.0 / 10
Reliability:
8.2 / 10
Retained Value:
7.8 / 10
Safety:
Not available
iSeeCars Reliability Insights for Mercedes-Benz G-Class
Avg Life Expectancy (years):
22.6
Typical Category Life Expectancy:
(Luxury Large SUVs)
11.5
Category Life Expectancy Range:
(Luxury Large SUVs)
8.2 - 22.6
Chance of Reaching 200k Miles for a New Car:
0.435
iSeeCars Reliability Insights for Porsche Cayenne
Avg Life Expectancy (years):
16.3
Typical Category Life Expectancy:
(Luxury Midsize SUVs)
13.0
Category Life Expectancy Range:
(Luxury Midsize SUVs)
9.7 - 16.8
Chance of Reaching 200k Miles for a New Car:
0.148
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
3.85731972264485
Typical Category Recalls:
(Luxury Large SUVs)
3.2
Category Range for Recalls:
(Luxury Large SUVs)
1.5 - 27.7
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
4.09401857016569
Typical Category Recalls:
(Luxury Midsize SUVs)
2.7
Category Range for Recalls:
(Luxury Midsize SUVs)
1.4 - 15.4
Mercedes-Benz G-Class Rankings
Ranking
1 out of / 17Ranking
1 out of / 17Ranking
6 out of / 17Ranking
7 out of / 17Ranking
11 out of / 17Ranking
12 out of / 17Ranking
14 out of / 17Ranking
14 out of / 16Ranking
16 out of / 17Porsche Cayenne Rankings
Ranking
1 out of / 68Ranking
1 out of / 27Ranking
1 out of / 5Ranking
1 out of / 3Ranking
3 out of / 68Ranking
4 out of / 27Ranking
5 out of / 27Ranking
6 out of / 68Ranking
6 out of / 27Ranking
6 out of / 27Ranking
6 out of / 25Ranking
9 out of / 68Ranking
10 out of / 68Ranking
10 out of / 27Ranking
17 out of / 68Ranking
18 out of / 25Ranking
21 out of / 27Ranking
29 out of / 68Ranking
56 out of / 64Available Body Styles
SUV
Available Body Styles
SUV
Available Drivetrain Options
Electric, Gasoline
Available Drivetrain Options
Gasoline, Plug-In Hybrid
Mercedes-Benz G-Class Trim Levels
AMG G 63, G 550
Porsche Cayenne Trim Levels
Base, Coupe, GTS, GTS 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:
443 hp @ 6100 rpm
Torque:
413 foot-lbs @ 1950 rpm
Power-to-Weight Ratio (higher is better):
0.080 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):
17 / 19 / 18
Range (city/hwy):
449 / 502 miles
Recommended Fuel Type:
Premium Unleaded
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
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Automatic Parking:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Heated Steering Wheel:
Standard
Internet Radio:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
Standard
Trailer Hitch:
Standard
Voice Recognition:
Standard
Wifi:
Standard
Wireless Smartphone Charging:
Standard
Cooled/Ventilated Seats:
Available
Massage Seats:
Available
Roof Rack:
Available
Air Suspension:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Power Lift Gate:
N/A
Quad Seats:
N/A
Standard/Optional Features
Adaptive Cruise Control:
Available
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Automatic Parking:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Heated Steering Wheel:
Standard
Internet Radio:
N/A
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
Available
Trailer Hitch:
Available
Voice Recognition:
Standard
Wifi:
N/A
Wireless Smartphone Charging:
Standard
Cooled/Ventilated Seats:
Available
Massage Seats:
Available
Roof Rack:
N/A
Air Suspension:
Available
Captain's seat:
N/A
Front Bench Seats:
N/A
Panoramic Sunroof/Moonroof
Available
Power Lift Gate:
Standard
Quad Seats:
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
Rear Seat Reminder:
Standard
Backup camera:
N/A
Safety Features
360-Degree Camera:
Standard
Blind Spot Monitoring:
Standard
Driver Attention Monitoring:
N/A
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
Standard
Rear Seat Reminder:
N/A
Backup camera:
N/A
Interior Dimensions
Front Head Room:
41.9 inches
Front Leg Room:
38.7 inches
Front Shoulder Room:
57.8 inches
Rear Head Room:
40.5 inches
Rear Leg Room:
39.5 inches
Rear Shoulder Room:
57.4 inches
Cargo Space:
38.1 cubic feet
Cargo Space, 2nd-row seat folded down:
68.6 cubic feet
Overall Interior Volume:
143.4 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:
5534 lbs
Width:
86.1 inches
Height:
77.7 inches
Length:
190 inches
Wheelbase:
113.8 inches
Ground Clearance:
9.8 inches
Exterior Dimensions
Curb Weight:
4678 lbs
Width:
86.4 inches
Height:
66.9 inches
Length:
194.1 inches
Wheelbase:
114 inches
Ground Clearance:
8.3 inches
Standard Wheel/Tire Information
Wheel Size:
19.0 x 8.5 inches
Wheel Type:
aluminum alloy
Tire Size:
275/55R19
Standard Wheel/Tire Information
Wheel Size:
20.0 x 9.0 inches
Wheel Type:
aluminum alloy
Tire Size:
255/55R20
Exterior Colors
Beige
Not available
Black
Not available
Blue
Not available
Gray
Not available
Red
Not available
Silver
Not available
White
Not available
Exterior Colors
Beige
Cashmere Beige Metallic
Black
Chromite Black Metallic
Blue
Algarve Blue Metallic / Montego Blue Metallic
Gray
Arctic Grey / Chalk / Quartzite Grey Metallic
Red
Carmine Red
Silver
Dolomite Silver Metallic
White
Carrara White Metallic / White
Interior Colors
Beige
Catalana Beige / Catalana Beige/Black / Macchiato Beige/Black / Macchiato Beige/Magma Grey
Black
Black / Black w/ Bengal Red A-Band / Black w/ Bronze Stitching / Black w/ Catalana Beige A-Band / Black w/ Espresso Brown A-Band / Black w/ Gold Stitching / Black w/ Lime Green A-Band / Black w/ Lime Green Stitching / Black w/ Platinum White A-Band / Black w/ Red Pepper A-Band / Black w/ Red Stitching / Black w/ Saddle Brown A-Band / Black w/ Sage Blue A-Band / Black w/ Titanium Grey A-Band / Black w/ White Stitching / Black w/ Yacht Blue Stitching
Brown
Espresso Brown / Espresso Brown/Black / Nut Brown/Black / Saddle Brown / Saddle Brown/Black / Tartufo Brown/Black
Gray
Dove Grey/Black / Sage Grey / Sage Grey/Black / Titanium Grey Pearl / Titanium Grey Pearl/Black
Red
Bengal Red / Bengal Red/Black / Red Pepper / Red Pepper/Black
White
Platinum White / Platinum White/Black
Green
Not available
Purple
Not available
Interior Colors
Beige
Black/Mojave Beige
Black
Basalt Black w/ Cross-Stitching / Black / Black/Mojave Beige
Brown
Not available
Gray
Black/Chalk
Red
Basalt Black/Barrique Red w/ Cross-Stitching / Black/Bordeaux Red
White
Not available
Green
Black/Night Green
Purple
Black/Blackberry
