Audi RS 6 vs Audi S8 Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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2004 Audi RS 6 quattro AWD
Photo of 2003 model year shown

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2021 Audi S8 4.0T quattro AWD

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Expert Reviews Reviews from CarGurus experts.

2004 Audi RS 6
quattro AWD
No Expert Reviews
2021 Audi S8
4.0T quattro AWD
Stephen Edelstein Preview:

The Audi S8 full-size luxury sedan was all new for 2020 and carries over mostly unchanged for the 2021 model year, except for minor updates to the features menu. The S8 competes primar...

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Specs

2004 Audi RS 6
quattro AWD
2021 Audi S8
4.0T quattro AWD
Powertrain 8-Speed Automatic
Drivetrain --
AWD
Fuel Economy, City --
13 MPG
Fuel Economy, Highway --
22 MPG
Fuel Tank Volume -- 21.7 gal
Engine
Fuel Type --
Gasoline
Power --
563 hp @ 6,000 RPM
Torque --
590 lb-ft @ 2,500 RPM
Cylinders --
8 cylinders
Compression Ratio --
10.1:1
Displacement --
4,000 cc
Bore x Stroke --
3.39 in x 3.39 in
Safety
ABS Brakes -- Standard
Driver Airbag -- Standard
Passenger Airbag -- Standard
Front Side Airbags -- Standard
Rear Side Airbags -- Standard
Curtain Airbags -- Standard
NHTSA Crash Test Results
Comfort and Convenience
Sunroof/Moonroof -- Standard
Leather Seats -- Standard
Air Conditioning -- Standard
Radio -- Standard
Power Windows -- Standard
Power Door Locks -- Standard
Driver Power Seats -- Standard
Passenger Power Seats -- Standard
Interior
Maximum Seating -- 5 seats
Front Legroom -- 41.5 in
Back Legroom -- 44.3 in
Payload and Towing
Cargo Volume -- 12.5 cu ft
Maximum Payload -- 970 lbs
Exterior
Length -- 209 in
Width -- 83.9 in
Height -- 58.6 in
Wheelbase -- 123.2 in

Available Options

2004 Audi RS 6
quattro AWD
2021 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

  • Bang & Olufsen 3D Advanced Sound System
  • Full Leather Package
  • Night Vision Assistant
  • Black Optic Package
  • Piano Black Interior Package
  • Rear Seat Comfort Package (4 Passenger)
  • Rear Seat Comfort Package (5 Passenger)
  • Red Steel Brake Calipers
  • S8 Executive Package

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