Audi A6 vs. Subaru Legacy
iSeeCars' unbiased and data-driven comparison of the Audi A6 and Subaru Legacy 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 Subaru Legacy.
In comparing the Audi A6's and the Subaru Legacy's specifications and ratings, the Audi A6 has the advantage in the area of base engine power. The Subaru Legacy 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, reliability, resale value, interior volume and overall quality score. Based on this comparison of the Audi A6's and the Subaru Legacy's specifications and ratings, the Subaru Legacy is a better car than the Audi A6.
Pricing: A used 2025 Audi A6 ranges from $47,998 to $71,140 while a used 2025 Subaru Legacy is priced between $24,999 to $34,318. For a new model, the Audi A6's price is between $59,135 and $78,929, with the Subaru Legacy priced between $28,193 and $40,533.
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 Subaru Legacy loses 40.8 percent of its value. This means the Subaru Legacy retains 20.1 percentage points more of its value and has the advantage of higher resale value versus the Audi A6.
Quality Rating: The iSeeCars Overall Quality rating for the Audi A6 is 7.5 out of 10 while the Subaru Legacy's quality rating is 8.4 out of 10. This results in the Audi A6 being ranked 9 out of 24 Best Luxury Midsize Cars and the Subaru Legacy being ranked 3 out of 13 Best Midsize Cars.
Reliability Rating: iSeeCars’ Reliability Rating for the Audi A6 is 7.5 out of 10. For the Subaru Legacy the reliability rating is 7.7 out of 10. This gives the Subaru Legacy a slight advantage in reliability compared to the Audi A6.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Audi A6’s base engine makes 261 horsepower, and the Subaru Legacy base engine makes 182 horsepower. The A6 is rated to deliver an average of 26 miles per gallon, with a highway range of 598 miles. The Legacy is rated to deliver an average of 30 miles per gallon, with a highway range of 648 miles. This gives the Subaru Legacy the fuel efficiency and maximum range advantage over the Audi A6. The A6 uses premium unleaded, and the Legacy uses regular unleaded.
Passenger Space Comparison: While both models are midsize cars, the Subaru Legacy has the advantage of offering more interior volume, reflected in more front head room, front shoulder room, front leg room, rear shoulder room, rear leg room, and cargo space. The Audi A6 has the advantage in the area of rear head room.
Safety Ratings: When comparing crash test ratings from NHTSA, both the Audi A6 and the Subaru Legacy have the same average safety rating of 5 out of 5 Stars.
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:
28193 - 40533
Starting MSRP:
26810
Category Avg Starting MSRP:
(Midsize Cars)
26816
Category Starting MSRP Range:
(Midsize Cars)
24700 - 28295
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:
28843
Price Range:
24999 - 34318
Category Avg Price:
(Midsize Cars)
27493
Category Avg Price Range:
(Midsize Cars)
25110 - 29237
# 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 $:
11029
Depreciation %:
0.41136945
Resale Value $:
15781
Residual Value %:
0.58863055
Typical Category Depreciation %:
(Midsize Cars)
0.43738499
Category Depreciation Range:
(Midsize Cars)
0.35336067 - 0.49749174
Audi A6 Scores & Rankings
Overall Score:
7.5 / 10
Reliability:
7.5 / 10
Retained Value:
7.1 / 10
Safety:
8.0 / 10
Subaru Legacy Scores & Rankings
Overall Score:
8.4 / 10
Reliability:
7.7 / 10
Retained Value:
8.4 / 10
Safety:
9.0 / 10
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 Subaru Legacy
Avg Life Expectancy (years):
11.8
Typical Category Life Expectancy:
(Midsize Cars)
10.9
Category Life Expectancy Range:
(Midsize Cars)
7.8 - 13.6
Chance of Reaching 200k Miles for a New Car:
0.159
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:
5.447757589536007
Typical Category Recalls:
(Midsize Cars)
3.5
Category Range for Recalls:
(Midsize Cars)
1.6 - 7.3
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 / 24Subaru Legacy Rankings
Ranking
3 out of / 13Ranking
3 out of / 13Ranking
3 out of / 13Ranking
3 out of / 13Ranking
3 out of / 13Ranking
3 out of / 13Ranking
3 out of / 7Ranking
3 out of / 7Ranking
3 out of / 7Ranking
3 out of / 4Ranking
4 out of / 13Ranking
4 out of / 7Ranking
5 out of / 13Ranking
5 out of / 13Ranking
6 out of / 13Available Body Styles
Sedan
Available Body Styles
Sedan
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
Subaru Legacy Trim Levels
Base, Limited, Premium, Sport, Touring XT
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:
3 years / 36000 miles
Warranty, Powertrain:
5 years / 60000 miles
Warranty, Roadside Assistance:
3 years / 36000 miles
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):
5 out of 5 Stars
2025 NHTSA Overall Rating:
5 out of 5 Stars
2025 NHTSA Front Crash Overall Rating:
5 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
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:
182 hp @ 5800 rpm
Torque:
176 foot-lbs @ 4400 rpm
Power-to-Weight Ratio (higher is better):
0.052 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:
2.5 liters
Engine Configuration:
Flat/Horizontally Opposed
Number of Cylinders:
4
Transmission:
Continuously Variable Transmission (CVT Automatic)
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
27 / 35 / 30
Range (city/hwy):
500 / 648 miles
Recommended Fuel Type:
Regular 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:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Available
Internet Radio:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Available
Leather Upholstery:
Available
Navigation System:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Available
Power Lift Gate:
N/A
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
Available
Voice Recognition:
Standard
Wifi:
Available
Adaptive Cruise Control:
Standard
Automatic Parking:
N/A
Cooled/Ventilated Seats:
Available
Heated Steering Wheel:
Available
Massage Seats:
N/A
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:
Available
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:
Standard
Driver Attention Monitoring:
Available
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Pedestrian Detection:
Standard
360-Degree Camera:
N/A
Blind Spot Monitoring:
Available
Rear Cross-Traffic Alert:
Available
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:
99.0 cubic feet
Interior Dimensions
Front Head Room:
39.4 inches
Front Leg Room:
42.8 inches
Front Shoulder Room:
58.1 inches
Rear Head Room:
37.2 inches
Rear Leg Room:
39.5 inches
Rear Shoulder Room:
57.4 inches
Cargo Space:
15.1 cubic feet
Overall Interior Volume:
120.6 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:
3492 lbs
Width:
81.8 inches
Height:
59.1 inches
Length:
191.1 inches
Wheelbase:
108.3 inches
Ground Clearance:
5.9 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:
17.0 x 7.5 inches
Wheel Type:
aluminum alloy
Tire Size:
225/55R17
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
Crystal Black Silica
Blue
Cosmic Blue Pearl
Brown
Not available
Gray
Magnetite Gray Metallic
Silver
Ice Silver Metallic
White
Crystal White Pearl
Interior Colors
Beige
Pearl Beige w/ Agate Gray Stitching
Black
Black
Brown
Okapi Brown w/ Steel Gray Stitching
Interior Colors
Beige
Not available
Black
Slate Black
Brown
Not available
