Audi S8 vs Mercedes-Benz CLS-Class Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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Used Car Pricing Used listing price comparison and analysis.

2020 Audi S8
4.0T quattro AWD
CarGurus Instant Market Value
$141,897
2020 Mercedes-Benz CLS-Class
CLS 450 4MATIC Coupe AWD
CarGurus Instant Market Value
$82,867
1 listings nationwide

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Expert Reviews Reviews from CarGurus experts.

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...

2020 Mercedes-Benz CLS-Class
CLS 450 4MATIC Coupe AWD
Kyree Williams Preview:

The Mercedes-Benz CLS-Class, a sleek 4-door coupe, competes with the Audi A7 and S7. It was redesigned for 2019, so 2020 brings minor changes. Mercedes-Benz splits the CLS-Class into ...

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

2020 Audi S8
4.0T quattro AWD
No User Reviews
2020 Mercedes-Benz CLS-Class
CLS 450 4MATIC Coupe AWD
GuruM9TL8 writes:
Great personal car. Will buy.
Power Ranked 2021 Genesis GV80 3.5T Advanced AWD worse.
"Image and styling. Both are more than adequate power. The Genesis maintenance is well presented. Mercedes will have a better resale in time. High depreciation."
Family Car Ranked 2021 Genesis GV80 3.5T Advanced AWD better.
"Cost and space"

Specs

2020 Audi S8
4.0T quattro AWD
2020 Mercedes-Benz CLS-Class
CLS 450 4MATIC Coupe AWD
Powertrain 8-Speed Automatic 9-Speed Automatic
Drivetrain
AWD
AWD
Fuel Economy, City
13 MPG
23 MPG
Fuel Economy, Highway
22 MPG
30 MPG
Fuel Tank Volume 21.7 gal 21.1 gal
Engine
Fuel Type
Gasoline
Gasoline
Power
563 hp @ 6,000 RPM
362 hp @ 5,500 RPM
Torque
590 lb-ft @ 2,500 RPM
369 lb-ft @ 1,800 RPM
Cylinders
8 cylinders
6 cylinders
Compression Ratio
10.1:1
10.5:1
Displacement
4,000 cc
3,000 cc
Bore x Stroke
3.39 in x 3.39 in
3.27 in x 3.62 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 --
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 41.5 in 41.9 in
Back Legroom 44.3 in 35 in
Payload and Towing
Cargo Volume 12.2 cu ft 11.9 cu ft
Maximum Payload 970 lbs --
Exterior
Length 209 in 196.4 in
Width 83.9 in 81.5 in
Height 58.6 in 56.3 in
Wheelbase 123.2 in 115.7 in

Available Options

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
2020 Mercedes-Benz CLS-Class
CLS 450 4MATIC Coupe AWD

Exterior Colors

  • Black
  • DESIGNO Cardinal Red Metallic
  • DESIGNO Diamond White Bright
  • Designo Selenite Grey Magno
  • Graphite Grey Metallic
  • Iridium Silver Metallic
  • Lunar Blue Metallic
  • Obsidian Black Metallic
  • Polar White
  • Selenite Grey Metallic

Option Packages

  • 3-Zone Climate Control
  • Soft-Close Doors
  • Air Body Control Air Suspension
  • AMG Line
  • Acoustic Comfort Package
  • Active Multicontour Front Seats W/Massage Feature
  • BURMESTER High-End 3D Sound System
  • BURMESTER Surround Sound System
  • DESIGNO Black/Titanium Grey Pearl Leather Package
  • DESIGNO MACCHIATO Beige/Saddle Brown Leather PKG
  • Driver Assistance Package
  • Energizing Comfort Package
  • Exterior Lighting Package
  • Head-Up Display
  • Night Package
  • Parking Assist Package
  • Premium Package
  • Warmth & Comfort Package
  • Wood/Leather Steering Wheel
  • DESIGNO BLK Piano Lacquer Flowing Lines Wood Trim
  • Black, Nappa Leather Upholstery
  • Macchiato Beige/Brown, Nappa Leather Upholstery
  • Magma Grey/Black, Nappa Leather Upholstery
  • Magma Grey/MACCHIATO, Nappa Leather Upholstery
  • Heated Rear Seats
  • Marsala Brown/Espresso, Nappa Leather Upholstery
  • Wheels: 20" AMG Multi-Spoke

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