Audi A6 vs Audi S6 Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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User Ranking Drivers and owners ranked these cars in 9 categories.

Expert Reviews Reviews from CarGurus experts.

2021 Audi A6
2.0T quattro Premium Plus Sedan AWD
Michael Perkins Preview:

Just two years out from a redesign, the Audi A6 returns for 2021 with a host of upgrades that aim to keep the midsize sedan competitive with iconic rivals like the BMW 5 Series and the...

2020 Audi S6
2.9T quattro Premium Plus Sedan AWD
Kyree Williams Preview:

Audi debuts a new S6 for 2020. The S6 runs in the same circles as the BMW M550i and Mercedes-AMG E 53. Audi tends to give its ā€œSā€ performance vehicles subtle exterior improvements ov...

Specs

2021 Audi A6
2.0T quattro Premium Plus Sedan AWD
2020 Audi S6
2.9T quattro Premium Plus Sedan AWD
Powertrain 7-Speed Dual Clutch 8-Speed Automatic
Drivetrain
AWD
AWD
Fuel Economy, City
23 MPG
18 MPG
Fuel Economy, Highway
31 MPG
28 MPG
Fuel Tank Volume 19.3 gal 19.3 gal
Engine
Fuel Type
Gasoline
Gasoline
Power
248 hp @ 4,300 RPM
444 hp @ 5,700 RPM
Torque
273 lb-ft @ 1,600 RPM
443 lb-ft @ 1,900 RPM
Cylinders
4 cylinders
6 cylinders
Compression Ratio
9.6:1
10:1
Displacement
2,000 cc
2,900 cc
Bore x Stroke
3.25 in x 3.65 in
3.33 in x 3.39 in
Safety
ABS Brakes Standard Standard
Driver Airbag Standard Standard
Passenger Airbag Standard Standard
Front Side Airbags Standard Standard
Curtain Airbags Standard Standard
NHTSA Crash Test Results
Overall 4 stars --
Front Crash Overall 4 stars --
Front Crash Driver 5 stars --
Front Crash Passenger 4 stars --
Side Crash Overall 5 stars --
Side Barrier Driver 5 stars --
Side Barrier Passenger 5 stars --
Side Pole Driver 5 stars --
Comfort and Convenience
Sunroof/Moonroof Standard Standard
Leather Seats Standard Standard
Air Conditioning Standard Standard
CD Player -- Standard
Radio Standard Standard
Power Windows Standard Standard
Power Door Locks Standard Standard
Driver Power Seats Standard Standard
Passenger Power Seats Standard Standard
Interior
Maximum Seating 5 seats 5 seats
Front Legroom 41.3 in 41.3 in
Back Legroom 37.4 in 37.4 in
Payload and Towing
Cargo Volume 13.7 cu ft 13.7 cu ft
Maximum Payload 1,102 lbs 1,102 lbs
Exterior
Length 194.4 in 195 in
Width 83.1 in 83.1 in
Height 57.4 in 56.9 in
Wheelbase 115.1 in 115.3 in

Available Options

2021 Audi A6
2.0T quattro Premium Plus Sedan AWD

Exterior Colors

  • Avalon Green Metallic
  • Brilliant Black
  • Carat Beige Metallic
  • FLORETT Silver Metallic
  • Firmament Blue Metallic
  • Glacier White Metallic
  • Ibis White
  • Mythos Black Metallic
  • Seville Red Metallic
  • Soho Brown Metallic
  • Typhoon Gray Metallic
  • Vesuvius Gray Metallic

Option Packages

  • Premium Plus Package
  • Black Optic Sport Package
  • Executive Package
2020 Audi S6
2.9T quattro Premium Plus Sedan AWD

Exterior Colors

  • Avalon Green Metallic
  • Brilliant Black
  • Daytona Gray Pearl Effect
  • FLORETT Silver Metallic
  • Firmament Blue Metallic
  • Glacier White Metallic
  • Ibis White
  • Mythos Black Metallic
  • NAVARRA Blue Metallic
  • Tango Red Metallic
  • Vesuvius Gray Metallic

Option Packages

  • Audi Side Assist W/Pre Sense Rear
  • Black Optic Package
  • Carbon Twill Structured Inlays
  • Driver Assistance Package
  • Luxury Package
  • S Sport Package
  • S6 Executive Package
  • Wheels: 21" 5-Twin-Spoke V Design

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