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

Used Car Pricing Used listing price comparison and analysis.

2020 Audi S6
2.9T quattro Premium Plus Sedan AWD
CarGurus Instant Market Value
$81,437
2 listings nationwide

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2020 Audi S8
4.0T quattro AWD
CarGurus Instant Market Value
$139,454
8 listings nationwide

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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 ā€œSā€ 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...

User Reviews Reviews from CarGurus users who have driven or owned the car.

2020 Audi S6
2.9T quattro Premium Plus Sedan AWD
No User Reviews
2020 Audi S8
4.0T quattro AWD
Salam writes:
Fantastic driving experience

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
18 MPG
13 MPG
Fuel Economy, Highway
28 MPG
22 MPG
Fuel Tank Volume 19.3 gal 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
NHTSA Crash Test Results
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
Maximum Payload 1,102 lbs 970 lbs
Exterior
Length 195 in 209 in
Width 83.1 in 83.9 in
Height 56.9 in 58.6 in
Wheelbase 115.3 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
  • 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
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

Option Packages

  • Full Leather Package
  • Cold Weather Package
  • Night Vision Assistant
  • Bang & Olufsen 3D Advanced Sound System
  • Black Optics Package
  • Driver Assistance Package
  • Executive Rear Seat Comfort Package (4 Passenger)
  • Gray Ceramic Brakes
  • Rear Seat Comfort Package (5 Passenger)
  • Rear Seat Connectivity Package
  • Red Steel Brake Calipers
  • S8 Executive Package
  • Wheels: 21" 10-Y-Spoke Gloss Anthracite Black EVO
  • Wheels: 21" 5-Double-Spoke-S-Design

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