Audi S6 vs Audi S5 Sportback Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

Select a car to compare

Cancel
Change

Select a car to compare

Cancel
Change

Select a car to compare

Cancel
+

Expert Reviews Reviews from CarGurus experts.

2021 Audi S6
2.9T quattro Premium Plus Sedan AWD
Stephen Edelstein Preview:

Critics complain that the Audi S6 looks too understated, forgetting that some people don’t want to be noticed for what they’re driving. After all, there’s a reason a gray suit is still...

2021 Audi S5 Sportback
3.0T quattro Premium AWD
Stephen Edelstein Preview:

A compromise wasn’t always a bad thing, but in the world of sport sedans, it seems like any decision that doesn’t get you a better zero to 60 mph time, a more impressive skidpad number...

Specs

2021 Audi S6
2.9T quattro Premium Plus Sedan AWD
2021 Audi S5 Sportback
3.0T quattro Premium AWD
Powertrain 8-Speed Automatic 8-Speed Automatic
Drivetrain
AWD
AWD
Fuel Economy, City
18 MPG
20 MPG
Fuel Economy, Highway
28 MPG
28 MPG
Fuel Tank Volume 19.3 gal 15.3 gal
Engine
Fuel Type
Gasoline
Gasoline
Power
444 hp @ 5,700 RPM
349 hp @ 5,400 RPM
Torque
443 lb-ft @ 1,900 RPM
369 lb-ft @ 1,370 RPM
Cylinders
6 cylinders
6 cylinders
Compression Ratio
10:1
11.2:1
Displacement
2,900 cc
3,000 cc
Bore x Stroke
3.33 in x 3.39 in
3.33 in x 3.5 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
Comfort and Convenience
Sunroof/Moonroof Standard Standard
Leather Seats Standard Standard
Air Conditioning 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 41.3 in
Back Legroom 37.4 in 35.1 in
Payload and Towing
Cargo Volume 13.7 cu ft 21.8 cu ft
Maximum Payload 1,102 lbs 1,058 lbs
Exterior
Length 195 in 187.2 in
Width 83.1 in 79.9 in
Height 56.9 in 54.6 in
Wheelbase 115.3 in 111.2 in

Available Options

2021 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
  • Luxury Package
  • S Sport Package
  • S6 Executive Package
2021 Audi S5 Sportback
3.0T quattro Premium AWD

Exterior Colors

  • Daytona Gray Pearl Effect
  • District Green Metallic
  • Glacier White Metallic
  • Ibis White
  • Mythos Black Metallic
  • NAVARRA Blue Metallic
  • Quantum Gray
  • Tango Red Metallic
  • Turbo Blue

Option Packages

  • Carbon Fiber Package
  • Carbon Fiber Trunk Lid Spoiler
  • Convenience Package
  • Sport Exhaust Resonator
  • Wheels: 19" 5-Double-Arm Design Bi-Color Finish

Related Comparisons