Audi A6 vs. Audi S6
In comparing the Audi A6 to the Audi S6, the Audi A6 has the advantage in the areas of new vehicle base pricing, fuel efficiency and interior volume. The Audi S6 has the advantage in the area of base engine power. The Audi A6 and Audi S6 have the same overall quality score. Based on this comparison of the Audi A6 versus the Audi S6, the Audi A6 is a better car than the Audi S6.
Audi A6 versus Audi S6 Pricing
For a new model, the Audi A6's price is between $60,710 and $74,700, with the Audi S6 priced between $83,191 and $97,321.
Audi A6 versus Audi S6 Quality Rating
The iSeeCars Overall Quality rating for the Audi A6 and Audi S6 is 8.4 out of 10. With both vehicles earning the same number they are extremely competitive in their vehicle segment. Audi A6 is ranked 5 out of 29 Best Luxury Midsize Cars and Audi S6 is ranked 6 out of 29, with their respective reliability, retained value, and safety ratings used to break the tie, in that order.
Engine Power and Fuel Efficiency Comparison
For engine performance, the Audi A6’s base engine makes 261 horsepower, and the Audi S6 base engine makes 444 horsepower. The A6 is rated to deliver an average of 27 miles per gallon, with a highway range of 598 miles. The S6 is rated to deliver an average of 22 miles per gallon, with a highway range of 502 miles. Both models use premium unleaded.
Passenger Space Comparison
While both models are midsize cars, the Audi A6 has the advantage of offering more interior volume, reflected in more The Audi A6 and Audi S6 are comparable in regards to front head room, front shoulder room, front leg room, rear head room, rear shoulder room, rear leg room, and trunk space.
Safety Ratings Comparison
When comparing crash test ratings from NHTSA, both the Audi A6 and the Audi S6 have the same average safety rating of 5 out of 5 Stars.
Pricing
New Asking Price:
$60,710 - $74,700
Used Asking Price:
$55,958 - $69,685
5-Year Depreciation (lower is better):
58.2%
Pricing
New Asking Price:
$83,191 - $97,321
Used Asking Price:
-
5-Year Depreciation (lower is better):
53.9%
iSeeCars Scores & Rankings
Overall Score:
8.4 / 10
Reliability:
8.6 / 10
Retained Value:
6.6 / 10
Safety:
10.0 / 10
iSeeCars Scores & Rankings
Overall Score:
8.4 / 10
Reliability:
7.8 / 10
Retained Value:
7.5 / 10
Safety:
10.0 / 10
iSeeCars Rankings
Ranking
3 out of / 8Ranking
5 out of / 29Most Reliable Luxury Midsize Cars
Ranking
5 out of / 29Luxury Midsize Cars with Best Resale Value
Ranking
25 out of / 29iSeeCars Rankings
Ranking
4 out of / 8Ranking
6 out of / 29Most Reliable Luxury Midsize Cars
Ranking
8 out of / 29Luxury Midsize Cars with Best Resale Value
Ranking
13 out of / 29Summary Review
Not yet available
Summary Review
Not yet available
Pros and Cons
Not yet available
Pros and Cons
Not yet available
Available Body Styles
Sedan
Available Body Styles
Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
Trim Levels
quattro Premium 45 TFSI, quattro Premium 55 TFSI, quattro Premium Plus 45 TFSI, quattro Premium Plus 55 TFSI, quattro Prestige 55 TFSI
Trim Levels
2.9T quattro Premium, 2.9T quattro Premium Plus, 2.9T quattro Prestige
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):
5 out of 5 Stars
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
5 out of 5 Stars
IIHS Safety Rating:
Not yet available
Base Drivetrain Specifications
Horsepower:
261 hp @ 5000 rpm
Torque:
273 foot-lbs @ 1600 rpm
Power-to-Weight Ratio (higher is better):
0.064 hp per pound
Base Drivetrain Specifications
Horsepower:
444 hp @ 5700 rpm
Torque:
442 foot-lbs @ 2900 rpm
Power-to-Weight Ratio (higher is better):
0.099 hp per pound
Engine Specifications
Engine Size:
2 liters
Engine Configuration:
Inline
Number of Cylinders:
4
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy (City/Highway/Combined MPG):
24 / 31 / 27
Range (city/hwy):
463 / 598 miles
Recommended Fuel Type:
Premium Unleaded
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
Standard/Optional Features
Apple CarPlay:
Standard
Android Auto:
Standard
Wireless Smartphone Charging:
Available
Keyless Entry:
Standard
Keyless Ignition:
Standard
Adaptive Cruise Control:
Available
Heated Seats:
Standard
Cooled/Ventilated Seats:
Available
Leather Upholstery:
Standard
Navigation System:
Standard
Sunroof/Moonroof:
Standard
Heated Steering Wheel:
Available
Standard/Optional Features
Apple CarPlay:
Standard
Android Auto:
Standard
Wireless Smartphone Charging:
Available
Keyless Entry:
Standard
Keyless Ignition:
Standard
Adaptive Cruise Control:
Available
Heated Seats:
Standard
Cooled/Ventilated Seats:
Available
Leather Upholstery:
Standard
Navigation System:
Standard
Sunroof/Moonroof:
Standard
Heated Steering Wheel:
Standard
Safety Equipment
Forward Collision Warning:
Standard
Pedestrian Detection:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Available
Blind Spot Monitoring:
Available
Rear Cross-Traffic Alert:
Available
360-Degree Camera:
Available
Rear Seat Reminder:
N/A
Driver Attention Monitoring:
N/A
Safety Equipment
Forward Collision Warning:
Standard
Pedestrian Detection:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Available
Blind Spot Monitoring:
Available
Rear Cross-Traffic Alert:
Available
360-Degree Camera:
Available
Rear Seat Reminder:
N/A
Driver Attention Monitoring:
N/A
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:
99.0 cubic feet
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
Exterior Dimensions
Curb Weight:
4101 lbs
Width:
83.1 inches
Height:
57.4 inches
Length:
194.4 inches
Wheelbase:
115.1 inches
Ground Clearance:
Not yet available
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
Standard Wheel/Tire Information
Wheel Size:
19.0 x 8.5 inches
Wheel Type:
painted alloy
Tire Size:
245/45R19
Standard Wheel/Tire Information
Wheel Size:
21.0 x 8.5 inches
Wheel Type:
alloy
Tire Size:
255/35R21