Audi S8 vs. Mercedes-Benz S-Class
iSeeCars' unbiased and data-driven comparison of the Audi S8 and Mercedes-Benz S-Class 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 Audi S8 and the Mercedes-Benz S-Class.
When comparing the Audi S8's and the Mercedes-Benz S-Class's specifications and ratings, the Audi S8 has the advantage in the area of base engine power. The Mercedes-Benz S-Class has the advantage in the areas of resale value and interior volume. Based on this comparison of the Audi S8's and the Mercedes-Benz S-Class's specifications and ratings, the Mercedes-Benz S-Class is a better car than the Audi S8.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the Audi S8 loses 61.6 percent of its value and the Mercedes-Benz S-Class loses 59.5 percent of its value. This means the Mercedes-Benz S-Class retains 2.1 percentage points more of its value and has the advantage of higher resale value versus the Audi S8.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Audi S8’s base engine makes 563 horsepower, and the Mercedes-Benz S-Class base engine makes 496 horsepower.
Passenger Space Comparison: While both models are large cars, the Mercedes-Benz S-Class has the advantage of offering more interior volume, reflected in more front head room, front shoulder room, rear head room, rear shoulder room, and cargo space. The Audi S8 has the advantage in the areas of front leg room and rear leg room.
New Car Pricing
Asking Price:
-
Starting MSRP:
130000
Category Avg Starting MSRP:
(Luxury Large Cars)
117080
Category Starting MSRP Range:
(Luxury Large Cars)
92700 - 132700
New Car Pricing
Asking Price:
131973 - 154585
Starting MSRP:
130700
Category Avg Starting MSRP:
(Luxury Large Cars)
117080
Category Starting MSRP Range:
(Luxury Large Cars)
92700 - 132700
Used Car Pricing
Avg Used Car Price:
Price Range:
-
Category Avg Price:
N/A
Category Avg Price Range:
N/A
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
Used Car Pricing
Avg Used Car Price:
Price Range:
-
Category Avg Price:
N/A
Category Avg Price Range:
N/A
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
Audi S8 Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
7.0 / 10
Safety:
Not available
Mercedes-Benz S-Class Scores & Rankings
Overall Score:
7.5 / 10
Reliability:
7.7 / 10
Retained Value:
7.2 / 10
Safety:
Not available
iSeeCars Reliability Insights for Audi S8
Remaining Life Expectancy (years):
Typical Category Remaining Life Expectancy:
(Luxury Large Cars)
10.8
Category Remaining Life Expectancy Range:
(Luxury Large Cars)
9.1 - 12.6
Chance of Reaching 200k Miles for a New Car:
iSeeCars Reliability Insights for Mercedes-Benz S-Class
Remaining Life Expectancy (years):
12.6
Typical Category Remaining Life Expectancy:
(Luxury Large Cars)
10.8
Category Remaining Life Expectancy Range:
(Luxury Large Cars)
9.1 - 12.6
Chance of Reaching 200k Miles for a New Car:
0.018
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
Audi S8 Rankings
Ranking
2 out of / 17Ranking
5 out of / 17Ranking
5 out of / 17Ranking
8 out of / 11Ranking
9 out of / 17Ranking
14 out of / 17Mercedes-Benz S-Class Rankings
Ranking
1 out of / 17Ranking
1 out of / 17Ranking
1 out of / 17Ranking
3 out of / 17Ranking
4 out of / 17Ranking
5 out of / 11Ranking
6 out of / 17Ranking
7 out of / 11Ranking
10 out of / 17Available Body Styles
Sedan
Available Body Styles
Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline, Plug-In Hybrid
Audi S8 Trim Levels
4.0T quattro
Mercedes-Benz S-Class Trim Levels
Mercedes-Maybach S 680 4MATIC, S 500 4MATIC, S 580 4MATIC
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years
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:
563 hp @ 6000 rpm
Torque:
590 foot-lbs @ 2500 rpm
Power-to-Weight Ratio (higher is better):
0.110 hp per pound
Base Drivetrain Specs
Horsepower:
496 hp @ 5500 rpm
Torque:
516 foot-lbs @ 2000 rpm
Power-to-Weight Ratio (higher is better):
0.103 hp per pound
Engine Specifications
Engine Size:
4 liters
Engine Configuration:
V
Number of Cylinders:
8
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:
4 liters
Engine Configuration:
V
Number of Cylinders:
8
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
Standard/Optional Features
Air Suspension:
Standard
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Cooled/Ventilated Seats:
Standard
Heated Seats
Standard
Heated Steering Wheel:
Standard
Internet Radio:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Massage Seats:
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
Adaptive Cruise Control:
N/A
Automatic Parking:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Standard/Optional Features
Air Suspension:
Standard
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Cooled/Ventilated Seats:
Standard
Heated Seats
Standard
Heated Steering Wheel:
Standard
Internet Radio:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Massage Seats:
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
Adaptive Cruise Control:
Standard
Automatic Parking:
Standard
Captain's seat:
N/A
Front Bench Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Safety Features
360-Degree Camera:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Pedestrian Detection:
Standard
Rear Seat Reminder:
Standard
Backup camera:
N/A
Blind Spot Monitoring:
N/A
Rear Cross-Traffic Alert:
N/A
Safety Features
360-Degree Camera:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Pedestrian Detection:
Standard
Rear Seat Reminder:
N/A
Backup camera:
N/A
Blind Spot Monitoring:
Standard
Rear Cross-Traffic Alert:
Standard
Interior Dimensions
Front Head Room:
38.3 inches
Front Leg Room:
41.5 inches
Front Shoulder Room:
59.1 inches
Rear Head Room:
38.5 inches
Rear Leg Room:
44.3 inches
Rear Shoulder Room:
57.6 inches
Cargo Space:
12.5 cubic feet
Overall Interior Volume:
111.0 cubic feet
Interior Dimensions
Front Head Room:
42.1 inches
Front Leg Room:
41.4 inches
Front Shoulder Room:
59.7 inches
Rear Head Room:
39.4 inches
Rear Leg Room:
43.8 inches
Rear Shoulder Room:
59 inches
Cargo Space:
12.8 cubic feet
Overall Interior Volume:
112.0 cubic feet
Exterior Dimensions
Curb Weight:
5126 lbs
Width:
83.8 inches
Height:
58.5 inches
Length:
209.5 inches
Wheelbase:
123.2 inches
Ground Clearance:
Not yet available
Exterior Dimensions
Curb Weight:
4795 lbs
Width:
83 inches
Height:
59.2 inches
Length:
209.5 inches
Wheelbase:
126.6 inches
Ground Clearance:
5.1 inches
Standard Wheel/Tire Information
Wheel Size:
21.0 x 9.0 inches
Wheel Type:
aluminum alloy
Tire Size:
265/35R21XL
Standard Wheel/Tire Information
Wheel Size:
19.0 x 8.5 inches
Wheel Type:
aluminum alloy
Tire Size:
255/45R19
Exterior Colors
Black
Mythos Black Metallic
Blue
Firmament Blue Metallic / Sebring Black Crystal Effect / Ultra Blue Metallic
Brown
Madeira Brown Metallic
Gray
Daytona Gray Pearl Effect
Silver
Florett Silver Metallic
White
Glacier White Metallic
Exterior Colors
Black
Not available
Blue
Not available
Brown
Not available
Gray
Not available
Silver
Not available
White
Not available
Interior Colors
Black
Black
Brown
Cognac Brown
Red
Merlot Red
Interior Colors
Black
Not available
Brown
Not available
Red
Not available
