Audi A6 vs. Audi RS 6 Avant
iSeeCars' unbiased and data-driven comparison of the Audi A6 and Audi RS 6 Avant 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 A6 and the Audi RS 6 Avant.
When comparing the Audi A6's and the Audi RS 6 Avant's specifications and ratings, the Audi A6 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. The Audi RS 6 Avant has the advantage in the areas of resale value, interior volume and base engine power. Based on this comparison of the Audi A6's and the Audi RS 6 Avant's specifications and ratings, the two cars are fairly comparable.
Pricing: A used 2025 Audi A6 ranges from $47,998 to $71,140 while a used 2025 Audi RS 6 Avant is priced between $125,144 to $227,178. For a new model, the Audi A6's price is between $59,135 and $78,929, with the Audi RS 6 Avant priced between $138,516 and $201,717.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the Audi A6 loses 60.9 percent of its value and the Audi RS 6 Avant loses 50.4 percent of its value. This means the Audi RS 6 Avant retains 10.5 percentage points more of its value and has the advantage of higher resale value versus the Audi A6.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Audi A6’s base engine makes 261 horsepower, and the Audi RS 6 Avant base engine makes 621 horsepower. The A6 is rated to deliver an average of 26 miles per gallon, with a highway range of 598 miles. The RS 6 Avant is rated to deliver an average of 17 miles per gallon, with a highway range of 405 miles. This gives the Audi A6 the fuel efficiency and maximum range advantage over the Audi RS 6 Avant. Both models use premium unleaded.
Passenger Space Comparison: While both models are midsize cars, the Audi RS 6 Avant has the advantage of offering more interior volume, reflected in more front head room, rear head room, and cargo space. The Audi A6 and Audi RS 6 Avant are comparable in regards to front shoulder room, front leg room, rear shoulder room and rear leg room.
Safety Ratings: The Audi A6 has an average safety rating of 5 out of 5 Stars based on NHTSA's crash test ratings.
New Car Pricing
Asking Price:
59135 - 78929
Starting MSRP:
58100
Category Avg Starting MSRP:
(Luxury Midsize Cars)
79467
Category Starting MSRP Range:
(Luxury Midsize Cars)
42140 - 200195
New Car Pricing
Asking Price:
138516 - 201717
Starting MSRP:
200195
Category Avg Starting MSRP:
(Luxury Midsize Cars)
79467
Category Starting MSRP Range:
(Luxury Midsize Cars)
42140 - 200195
Used Car Pricing
Avg Used Car Price:
58757
Price Range:
47998 - 71140
Category Avg Price:
(Luxury Midsize Cars)
80683
Category Avg Price Range:
(Luxury Midsize Cars)
43661 - 144992
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
Used Car Pricing
Avg Used Car Price:
144992
Price Range:
125144 - 227178
Category Avg Price:
(Luxury Midsize Cars)
80683
Category Avg Price Range:
(Luxury Midsize Cars)
43661 - 144992
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
5-year Depreciation
Depreciation $:
35532
Depreciation %:
0.61156182
Resale Value $:
22568
Residual Value %:
0.38843817999999997
Typical Category Depreciation %:
(Luxury Midsize Cars)
0.49394848
Category Depreciation Range:
(Luxury Midsize Cars)
0.39819597 - 0.61156182
5-year Depreciation
Depreciation $:
101215
Depreciation %:
0.50558139
Resale Value $:
98980
Residual Value %:
0.49441861
Typical Category Depreciation %:
(Luxury Midsize Cars)
0.49394848
Category Depreciation Range:
(Luxury Midsize Cars)
0.39819597 - 0.61156182
Audi A6 Scores & Rankings
Overall Score:
7.5 / 10
Reliability:
7.5 / 10
Retained Value:
7.1 / 10
Safety:
8.0 / 10
Audi RS 6 Avant Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
7.8 / 10
Safety:
Not available
iSeeCars Reliability Insights for Audi A6
Avg Life Expectancy (years):
10.7
Typical Category Life Expectancy:
(Luxury Midsize Cars)
13.2
Category Life Expectancy Range:
(Luxury Midsize Cars)
9.4 - 22.1
Chance of Reaching 200k Miles for a New Car:
0.045
iSeeCars Reliability Insights for Audi RS 6 Avant
Avg Life Expectancy (years):
Typical Category Life Expectancy:
(Luxury Midsize Cars)
13.2
Category Life Expectancy Range:
(Luxury Midsize Cars)
9.4 - 22.1
Chance of Reaching 200k Miles for a New Car:
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
1.9696536471404869
Typical Category Recalls:
(Luxury Midsize Cars)
3.0
Category Range for Recalls:
(Luxury Midsize Cars)
1.5 - 35.8
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
2.053958662752374
Typical Category Recalls:
(Luxury Midsize Cars)
3.0
Category Range for Recalls:
(Luxury Midsize Cars)
1.5 - 35.8
Audi A6 Rankings
Ranking
2 out of / 6Ranking
2 out of / 6Ranking
5 out of / 24Ranking
6 out of / 18Ranking
8 out of / 24Ranking
8 out of / 18Ranking
9 out of / 24Ranking
9 out of / 24Ranking
13 out of / 24Ranking
14 out of / 24Ranking
17 out of / 24Ranking
22 out of / 24Audi RS 6 Avant Rankings
Ranking
1 out of / 12Ranking
2 out of / 12Ranking
4 out of / 12Ranking
7 out of / 12Ranking
7 out of / 7Ranking
11 out of / 12Available Body Styles
Sedan
Available Body Styles
Wagon
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
Audi A6 Trim Levels
quattro Premium 45 TFSI, quattro Premium 55 TFSI, quattro Premium Plus 45 TFSI, quattro Premium Plus 55 TFSI, quattro Prestige 55 TFSI
Audi RS 6 Avant Trim Levels
4.0T quattro Avant GT
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
2025 NHTSA Overall Rating:
5 out of 5 Stars
2025 NHTSA Front Crash Overall Rating:
4 out of 5 Stars
2025 NHTSA Side Crash Overall Rating:
5 out of 5 Stars
2025 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
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:
261 hp @ 5000 rpm
Torque:
273 foot-lbs @ 1600 rpm
Power-to-Weight Ratio (higher is better):
0.064 hp per pound
Base Drivetrain Specs
Horsepower:
621 hp @ 6000 rpm
Torque:
627 foot-lbs @ 2050 rpm
Power-to-Weight Ratio (higher is better):
0.125 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 / 26
Range (city/hwy):
463 / 598 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):
14 / 21 / 17
Range (city/hwy):
270 / 405 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
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
Heated Steering Wheel:
Available
Massage Seats:
Available
Wireless Smartphone Charging:
Available
Air Suspension:
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
Alloy wheels:
N/A
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
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:
N/A
Automatic Parking:
N/A
Cooled/Ventilated Seats:
Standard
Heated Steering Wheel:
Standard
Massage Seats:
N/A
Wireless Smartphone Charging:
Standard
Air Suspension:
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
Lane Keeping Assist:
Standard
Pedestrian Detection:
Standard
360-Degree Camera:
Available
Blind Spot Monitoring:
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
Lane Keeping Assist:
Standard
Pedestrian Detection:
Standard
360-Degree Camera:
Standard
Blind Spot Monitoring:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
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
Cargo Space, 2nd-row seat folded down:
Not yet available
Cargo Space, 3rd-row seat folded down:
Not applicable
Overall Interior Volume:
99.0 cubic feet
Interior Dimensions
Front Head Room:
38.3 inches
Front Leg Room:
41.3 inches
Front Shoulder Room:
57.8 inches
Rear Head Room:
39.5 inches
Rear Leg Room:
37.4 inches
Rear Shoulder Room:
56.5 inches
Cargo Space:
30 cubic feet
Cargo Space, 2nd-row seat folded down:
Not yet available
Cargo Space, 3rd-row seat folded down:
Not applicable
Overall Interior Volume:
131 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:
4.2 inches
Exterior Dimensions
Curb Weight:
4965 lbs
Width:
83.5 inches
Height:
58.6 inches
Length:
196.7 inches
Wheelbase:
115.3 inches
Ground Clearance:
4.1 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:
22.0 x 10.5 inches
Wheel Type:
carbon fiber
Tire Size:
285/30R22
Exterior Colors
Black
Brilliant Black / Mythos Black Metallic
Blue
Firmament Blue Metallic
Brown
Madeira Brown Metallic
Gray
Chronos Gray Metallic / Manhattan Gray Metallic
Silver
Florett Silver Metallic
White
Arkona White / Glacier White Metallic
Exterior Colors
Black
Mythos Black Metallic
Blue
Not available
Brown
Not available
Gray
Nardo Gray/Black
Silver
Not available
White
Arkona White/Black
Interior Colors
Beige
Pearl Beige w/ Agate Gray Stitching
Black
Black
Brown
Okapi Brown w/ Steel Gray Stitching
Interior Colors
Beige
Not available
Black
Black w/ Express Red Stitching
Brown
Not available
