2020 Mercedes-Benz S-Class vs. 2020 Porsche 911
In comparing the 2020 Mercedes-Benz S-Class's and the 2020 Porsche 911's specifications and ratings, the 2020 Mercedes-Benz S-Class has the advantage in the areas of typical lower range of pricing for used cars and base engine power. The 2020 Porsche 911 has the advantage in the areas of reliability, resale value and overall quality score. The 2020 Mercedes-Benz S-Class and 2020 Porsche 911 have the same fuel efficiency. Based on this comparison of the 2020 Mercedes-Benz S-Class's and the 2020 Porsche 911's specifications and ratings, the 2020 Porsche 911 is a better car than the 2020 Mercedes-Benz S-Class.
2020 Mercedes-Benz S-Class vs. 2020 Porsche 911 Pricing
A used 2020 Mercedes-Benz S-Class ranges from $93,454 to $149,569 while a used 2020 Porsche 911 is priced between $114,998 to $154,994.
2020 Mercedes-Benz S-Class vs. 2020 Porsche 911 Resale/Retained Value
Looking at the 5-year depreciation rate for both models, the 2020 Mercedes-Benz S-Class loses 47.9 percent of its value and the 2020 Porsche 911 loses 26.7 percent of its value. This means the 2020 Porsche 911 retains 21.2 percentage points more of its value and has the advantage of higher resale value versus the 2020 Mercedes-Benz S-Class.
2020 Mercedes-Benz S-Class vs. 2020 Porsche 911 Quality Rating
The iSeeCars Overall Quality rating for the Mercedes-Benz S-Class is 7.1 out of 10 while the Porsche 911's quality rating is 8.2 out of 10. This results in the Mercedes-Benz S-Class being ranked 14 out of 26 Best Luxury Convertibles and the Porsche 911 being ranked 2 out of 26.
2020 Mercedes-Benz S-Class vs. 2020 Porsche 911 Reliability Rating
iSeeCars’ Reliability Rating for the Mercedes-Benz S-Class is 7.4 out of 10. For the Porsche 911 the reliability rating is 7.9 out of 10. This gives the Porsche 911 a slight advantage in reliability compared to the Mercedes-Benz S-Class.
Engine Power and Fuel Efficiency Comparison
For engine performance, the 2020 Mercedes-Benz S-Class’s base engine makes 463 horsepower, and the 2020 Porsche 911 base engine makes 379 horsepower. Both the S-Class and the 911 are rated to deliver an average of 20 miles per gallon, with highway ranges of 549 and 406 miles respectively. Both models use premium unleaded.
Pricing
New Asking Price:
-
Used Asking Price:
93454 - 149569
5-Year Depreciation (lower is better):
0.479425
Pricing
New Asking Price:
-
Used Asking Price:
114998 - 154994
5-Year Depreciation (lower is better):
0.26718
Mercedes-Benz S-Class Scores & Rankings
Overall Score:
7.110683 / 10
Reliability:
7.421366 / 10
Retained Value:
6.8 / 10
Safety:
Not available
Porsche 911 Scores & Rankings
Overall Score:
8.193415 / 10
Reliability:
7.88683 / 10
Retained Value:
8.5 / 10
Safety:
Not available
Mercedes-Benz S-Class Rankings
Ranking
5 out of / 26Ranking
11 out of / 26Ranking
12 out of / 19Ranking
13 out of / 26Ranking
14 out of / 26Porsche 911 Rankings
Ranking
1 out of / 26Ranking
2 out of / 40Ranking
2 out of / 26Ranking
2 out of / 26Ranking
2 out of / 26Ranking
2 out of / 19Ranking
4 out of / 40Ranking
5 out of / 40Ranking
5 out of / 23Ranking
6 out of / 40Ranking
8 out of / 26Ranking
9 out of / 40Ranking
15 out of / 18Ranking
23 out of / 30Available Body Styles
Convertible, Coupe, Sedan
Available Body Styles
Convertible, Coupe
Available Drivetrain Options
Gasoline, Plug-In Hybrid
Available Drivetrain Options
Gasoline
2020 Mercedes-Benz S-Class Trim Levels
AMG S 63, S 560, S 560 4MATIC, AMG S 65, Mercedes-Maybach S 560 4MATIC, Mercedes-Maybach S 650, S 450, S 450 4MATIC
2020 Porsche 911 Trim Levels
Carrera, Carrera 4, Carrera 4S, Carrera S
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
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specifications
Horsepower:
463 hp @ 5250 rpm
Torque:
516 foot-lbs @ 2000 rpm
Power-to-Weight Ratio (higher is better):
0.097 hp per pound
Base Drivetrain Specifications
Horsepower:
379 hp @ 6500 rpm
Torque:
331 foot-lbs @ 1950 rpm
Power-to-Weight Ratio (higher is better):
0.108 hp per pound
Engine Specifications
Engine Size:
4 liters
Engine Configuration:
V
Number of Cylinders:
8
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
17 / 26 / 20
Range (city/hwy):
359 / 549 miles
Recommended Fuel Type:
Premium Unleaded
Engine Specifications
Engine Size:
3 liters
Engine Configuration:
Flat/Horizontally Opposed
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
17 / 24 / 20
Range (city/hwy):
287 / 406 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Android Auto:
Standard
Apple Car Play:
Standard
Cooled/Ventilated Seats:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Wireless Smartphone Charging:
Standard
Adaptive Cruise Control:
Available
Heated Steering Wheel:
N/A
Sunroof/Moonroof:
N/A
Standard/Optional Features
Android Auto:
N/A
Apple Car Play:
Standard
Cooled/Ventilated Seats:
Available
Heated Seats
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Wireless Smartphone Charging:
N/A
Adaptive Cruise Control:
Available
Heated Steering Wheel:
N/A
Sunroof/Moonroof:
N/A
Safety Equipment
360-Degree Camera:
Standard
Blind Spot Monitoring:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Rear Cross-Traffic Alert:
Standard
Lane Keeping Assist:
Available
Pedestrian Detection:
N/A
Rear Seat Reminder:
N/A
Safety Equipment
360-Degree Camera:
N/A
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Forward Collision Warning:
Standard
Lane Departure Warning:
N/A
Rear Cross-Traffic Alert:
N/A
Lane Keeping Assist:
N/A
Pedestrian Detection:
N/A
Rear Seat Reminder:
N/A
Interior Dimensions
Front Head Room:
37.7 inches
Front Leg Room:
Not yet available
Front Shoulder Room:
59 inches
Rear Head Room:
37.7 inches
Rear Leg Room:
Not yet available
Rear Shoulder Room:
49.5 inches
Cargo Space:
6.9 cubic feet
Overall Interior Volume:
87.5 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:
4.6 cubic feet
Overall Interior Volume:
Not yet available
Exterior Dimensions
Curb Weight:
4784 lbs
Width:
83 inches
Height:
55.8 inches
Length:
198.1 inches
Wheelbase:
115.9 inches
Ground Clearance:
4.5 inches
Exterior Dimensions
Curb Weight:
3508 lbs
Width:
79.7 inches
Height:
51.1 inches
Length:
177.9 inches
Wheelbase:
96.5 inches
Ground Clearance:
4.6 inches
Standard Wheel/Tire Information
Wheel Size:
19.0 x 8.5 inches
Wheel Type:
aluminum alloy
Tire Size:
245/45R19
Standard Wheel/Tire Information
Wheel Size:
19.0 x 8.5 inches
Wheel Type:
aluminum alloy
Tire Size:
235/40ZR19