Audi S6 vs Audi S8 Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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Expert Reviews Reviews from CarGurus experts.

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 “S” performance vehicles subtle exterior improvements ov...

2020 Audi S8
4.0T quattro AWD
Andrew Newton Preview:

Buyers shopping for a highly advanced and very comfortable full-size luxury sedan have another choice for 2020 in the form of the all-new Audi S8. While this new fourth-generation S8 i...

Specs

2020 Audi S6
2.9T quattro Premium Plus Sedan AWD
2020 Audi S8
4.0T quattro AWD
Powertrain 8-Speed Automatic 8-Speed Automatic
Drivetrain
AWD
AWD
Fuel Economy, City -- --
Fuel Economy, Highway -- --
Fuel Tank Volume -- 21.7 gal
Engine
Fuel Type
Gasoline
Gasoline
Power
444 hp @ 5,700 RPM
563 hp @ 6,000 RPM
Torque
443 lb-ft @ 1,900 RPM
590 lb-ft @ 2,500 RPM
Cylinders
6 cylinders
8 cylinders
Compression Ratio
10:1
10.1:1
Displacement
2,900 cc
4,000 cc
Bore x Stroke
3.33 in x 3.39 in
3.39 in x 3.39 in
Safety
ABS Brakes Standard Standard
Driver Airbag Standard Standard
Passenger Airbag Standard Standard
Front Side Airbags Standard Standard
Rear Side Airbags -- Standard
Curtain Airbags Standard Standard
Comfort and Convenience
Sunroof/Moonroof Standard Standard
Leather Seats Standard Standard
Air Conditioning Standard Standard
CD Player Standard 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 41.5 in
Back Legroom 37.4 in 44.3 in
Payload and Towing
Cargo Volume 13.7 cu ft 12.2 cu ft
Exterior
Length 194.4 in 209 in
Width 83.1 in 83.9 in
Height 57.4 in 58.6 in
Wheelbase 115.1 in 123.2 in

Available Options

2020 Audi S6
2.9T quattro Premium Plus Sedan AWD

Exterior Colors

  • Avalon Green Metallic
  • Brilliant Black
  • Daytona Gray Pearl Effect
  • Firmament Blue Metallic
  • Florett Silver 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
  • Driver Assistance Package
  • Luxury Package
  • S Sport Package
  • S6 Executive Package
  • Wheels: 21" 5-Twin-Spoke V Design
2020 Audi S8
4.0T quattro AWD

Exterior Colors

  • Brilliant Black
  • Daytona Gray Pearl Effect
  • Florett Silver Metallic
  • Glacier White Metallic
  • Monsoon Gray Metallic
  • Moonlight Blue Metallic
  • Mythos Black Metallic
  • Navarra Blue Metallic
  • Savannah Beige Metallic
  • Seville Red Metallic
  • Terra Gray Metallic
  • Vesuvius Gray Metallic

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