Audi S6 vs. Audi S8
iSeeCars' unbiased and data-driven comparison of the Audi S6 and Audi S8 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 S6 and the Audi S8.
When comparing the Audi S6's and the Audi S8's specifications and ratings, the Audi S6 has the advantage in the areas of new vehicle base pricing, fuel efficiency and resale value. The Audi S8 has the advantage in the areas of reliability, interior volume, overall quality score and base engine power. Based on this comparison of the Audi S6's and the Audi S8's specifications and ratings, the Audi S8 is a better car than the Audi S6.
Pricing: For a new model, the Audi S6's price is between $81,399 and $93,005, with the Audi S8 priced between $128,044 and $152,716.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the Audi S6 loses 54.6 percent of its value and the Audi S8 loses 58.7 percent of its value. This means the Audi S6 retains 4 percentage points more of its value and has the advantage of higher resale value versus the Audi S8.
Quality Rating: The iSeeCars Overall Quality rating for the Audi S6 is 7.3 out of 10 while the Audi S8's quality rating is 7.5 out of 10. This results in the Audi S6 being ranked 16 out of 29 Best Luxury Midsize Cars and the Audi S8 being ranked 10 out of 24 Best Luxury Large Cars.
Reliability Rating: iSeeCars’ Reliability Rating for the Audi S6 is 7.6 out of 10. For the Audi S8 the reliability rating is 8.1 out of 10. This gives the Audi S8 a slight advantage in reliability compared to the Audi S6.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Audi S6’s base engine makes 444 horsepower, and the Audi S8 base engine makes 563 horsepower. The S6 is rated to deliver an average of 22 miles per gallon, with a highway range of 502 miles. The S8 is rated to deliver an average of 18 miles per gallon, with a highway range of 521 miles.This gives the Audi S6 the advantage in fuel efficiency and the Audi S8 the advantage in maximum range. Both models use premium unleaded.
Passenger Space Comparison: The Audi S8, a large car, has the advantage of offering more interior volume, reflected in more front head room, front shoulder room, front leg room, rear head room, rear shoulder room and rear leg room. The Audi S6, a midsize car, has the advantage in the area of cargo space.
New Car Pricing
Asking Price:
$81,399 - $93,005
Starting MSRP:
$75,500
Category Avg Starting MSRP:
(Luxury Midsize Cars)
$73,001
Category Starting MSRP Range:
(Luxury Midsize Cars)
$38,395 - $138,800
New Car Pricing
Asking Price:
$128,044 - $152,716
Starting MSRP:
$123,400
Category Avg Starting MSRP:
(Luxury Large Cars)
$103,524
Category Starting MSRP Range:
(Luxury Large Cars)
$72,000 - $139,000
Used Car Pricing
Avg Used Car Price:
Price Range:
-
Category Avg Price:
(Luxury Midsize Cars)
$78,175
Category Avg Price Range:
(Luxury Midsize Cars)
$44,925 - $144,288
# Used Cars for Sale Nationally:
23
Avg Mileage of Used Cars for Sale:
122
# Good or Great Deals:
0
Used Car Pricing
Avg Used Car Price:
Price Range:
-
Category Avg Price:
(Luxury Large Cars)
$117,939
Category Avg Price Range:
(Luxury Large Cars)
$86,308 - $151,025
# Used Cars for Sale Nationally:
61
Avg Mileage of Used Cars for Sale:
663
# Good or Great Deals:
0
5-year Depreciation
Depreciation $:
$41,860
Depreciation %:
55.4%
Resale Value $:
$33,640
Residual Value %:
44.6%
Typical Category Depreciation %:
(Luxury Midsize Cars)
52.5%
Category Depreciation Range:
(Luxury Midsize Cars)
38.3% - 63.1%
5-year Depreciation
Depreciation $:
$73,107
Depreciation %:
59.2%
Resale Value $:
$50,293
Residual Value %:
40.8%
Typical Category Depreciation %:
(Luxury Large Cars)
55.6%
Category Depreciation Range:
(Luxury Large Cars)
46.2% - 65.5%
Audi S6 Scores & Rankings
Overall Score:
7.3 / 10
Reliability:
7.6 / 10
Retained Value:
7.1 / 10
Safety:
Not available
Audi S8 Scores & Rankings
Overall Score:
7.5 / 10
Reliability:
8.1 / 10
Retained Value:
6.8 / 10
Safety:
Not available
iSeeCars Reliability Insights for Audi S6
Avg Life Expectancy (years):
8.7
Typical Category Life Expectancy:
(Luxury Midsize Cars)
10.9
Category Life Expectancy Range:
(Luxury Midsize Cars)
8.5 - 14.6
Chance of Reaching 200k Miles for a New Car:
0.1%
iSeeCars Reliability Insights for Audi S8
Avg Life Expectancy (years):
9.4
Typical Category Life Expectancy:
(Luxury Large Cars)
10.3
Category Life Expectancy Range:
(Luxury Large Cars)
7.7 - 13.7
Chance of Reaching 200k Miles for a New Car:
0.1%
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
2.2
Typical Category Recalls:
(Luxury Midsize Cars)
2.2
Category Range for Recalls:
(Luxury Midsize Cars)
0.8 - 16.7
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
2.1
Typical Category Recalls:
(Luxury Large Cars)
2.8
Category Range for Recalls:
(Luxury Large Cars)
0.8 - 30.6
Audi S6 Rankings
Ranking
1 out of / 1Ranking
7 out of / 9Ranking
9 out of / 29Ranking
10 out of / 29Ranking
13 out of / 20Ranking
14 out of / 29Ranking
16 out of / 29Ranking
18 out of / 29Ranking
18 out of / 29Ranking
19 out of / 29Audi S8 Rankings
Ranking
2 out of / 24Ranking
4 out of / 24Ranking
6 out of / 24Ranking
6 out of / 8Ranking
9 out of / 24Ranking
9 out of / 11Ranking
10 out of / 24Ranking
17 out of / 24Ranking
17 out of / 24Available Body Styles
Sedan
Available Body Styles
Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
Audi S6 Trim Levels
2.9T quattro Premium, 2.9T quattro Premium Plus, 2.9T quattro Prestige
Audi S8 Trim Levels
4.0T quattro
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
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2024 NHTSA Overall Rating:
5 out of 5 Stars
2024 NHTSA Front Crash Overall Rating:
Not yet available
2024 NHTSA Side Crash Overall Rating:
Not yet available
2024 NHTSA Rollover Rating:
5 out of 5 Stars
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2024 NHTSA Overall Rating:
Not yet available
2024 NHTSA Front Crash Overall Rating:
Not yet available
2024 NHTSA Side Crash Overall Rating:
Not yet available
2024 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
444 hp @ 5900 rpm
Torque:
442 foot-lbs @ 2700 rpm
Power-to-Weight Ratio (higher is better):
0.099 hp per pound
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
Engine Specifications
Engine Size:
2.9 liters
Engine Configuration:
V
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
19 / 26 / 22
Range (city/hwy):
367 / 502 miles
Recommended Fuel Type:
Premium Unleaded
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):
15 / 24 / 18
Range (city/hwy):
326 / 521 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Air Suspension:
Standard
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
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 Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
Standard
Voice Recognition:
Standard
Wifi:
Standard
Adaptive Cruise Control:
Available
Automatic Parking:
Available
Cooled/Ventilated Seats:
Available
Massage Seats:
Available
Wireless Smartphone Charging:
Available
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
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 Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
Standard
Voice Recognition:
Standard
Wifi:
Standard
Adaptive Cruise Control:
Available
Automatic Parking:
Available
Cooled/Ventilated Seats:
Standard
Massage Seats:
Standard
Wireless Smartphone Charging:
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
Backup camera:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Pedestrian Detection:
Standard
360-Degree Camera:
Available
Blind Spot Monitoring:
Available
Lane Keeping Assist:
Available
Rear Cross-Traffic Alert:
Available
Rear Seat Reminder:
N/A
Safety Features
Backup camera:
N/A
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Pedestrian Detection:
Standard
360-Degree Camera:
Standard
Blind Spot Monitoring:
N/A
Lane Keeping Assist:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
Standard
Interior Dimensions
Front Head Room:
38 inches
Front Leg Room:
41.3 inches
Front Shoulder Room:
57.8 inches
Rear Head Room:
38.1 inches
Rear Leg Room:
37.4 inches
Rear Shoulder Room:
56.5 inches
Cargo Space:
13.7 cubic feet
Overall Interior Volume:
98.0 cubic feet
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
Exterior Dimensions
Curb Weight:
4486 lbs
Width:
83.1 inches
Height:
56.9 inches
Length:
195 inches
Wheelbase:
115.3 inches
Ground Clearance:
Not yet available
Exterior Dimensions
Curb Weight:
5126 lbs
Width:
83.8 inches
Height:
58.6 inches
Length:
209.5 inches
Wheelbase:
123.2 inches
Ground Clearance:
Not yet available
Standard Wheel/Tire Information
Wheel Size:
21.0 x 8.5 inches
Wheel Type:
aluminum alloy
Tire Size:
255/35R21
Standard Wheel/Tire Information
Wheel Size:
20.0 x 9.0 inches
Wheel Type:
aluminum alloy
Tire Size:
265/40R20
Exterior Colors
Black
Brilliant Black / Mythos Black Metallic
Blue
Ascari Blue Metallic / Firmament Blue Metallic
Gray
Chronos Gray Metallic / Daytona Gray Pearl Effect
Red
Grenadier Red Metallic
Silver
Florett Silver Metallic
White
Glacier White Metallic
Green
Not available
Exterior Colors
Black
Mythos Black Metallic
Blue
Firmament Blue Metallic / Sebring Black Crystal Effect / Ultra Blue Metallic
Gray
Daytona Gray Pearl Effect
Red
Not available
Silver
Florett Silver Metallic
White
Glacier White Metallic
Green
District Green Metallic
Interior Colors
Black
Black w/ Rock Gray Stitching
Gray
Rotor Gray w/ Anthracite Stitching
Red
Arras Red w/ Agate Gray Stitching
Brown
Not available
Interior Colors
Black
Black
Gray
Not available
Red
Merlot Red
Brown
Cognac Brown