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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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...

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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