News
Features
New Cars
Shopping Tools
  1. Home
  2. Compare Cars
  3. Compare Audi S6 vs Mercedes-Benz CLS-Class

Compare Audi S6 vs Mercedes-Benz CLS-Class

Audi S6
2021 Audi S6
Select configuration:
$74,400
Starting Price (MSRP)
8.0
Audi S6 Full Review
Change Car
Mercedes-Benz CLS-Class
2021 Mercedes-Benz CLS-Class
Select configuration:
$70,300
Starting Price (MSRP)
N/A
Mercedes-Benz CLS-Class Full Review
Change Car
Audi A6 Audi S4 Sedan Audi S5 Coupe Audi S7 Sportback BMW M5 Sedan Mercedes-AMG CLS 53 Volvo S90 Hybrid Volvo V60 Hybrid
Select Car

Overview

Engine
2.9-liter Twin-Turbo V6 Hybrid
Engine
3.0-liter Turbo Inline-6 Hybrid
Transmission
8-Speed Automatic
Transmission
9-Speed Automatic
Drivetrain
Other
Drivetrain
Rear-Wheel Drive
Fuel Economy
City: 18 MPG
Hwy: 28 MPG
Fuel Economy
City: 24 MPG
Hwy: 31 MPG
Fuel Tank Capacity
19.3 gallons
Fuel Tank Capacity
21.1 gallons
Seating Capacity
5 seater
Seating Capacity
5 seater
Trunk Volume
13.7 ft³
Trunk Volume
11.9 ft³

Photos

Audi S6
2020-2021 Audi S6 Aft View
2020-2021 Audi S6 Control Panel
18
More
Mercedes-Benz CLS-Class
2019-2021 Mercedes-Benz CLS Rear View Driving
2019-2021 Mercedes-Benz CLS Dashboard
53
More

Performance Specs

Engine and Transmission

Engine
2.9-liter Twin-Turbo V6 Hybrid
3.0-liter Turbo Inline-6 Hybrid
Horsepower
444 hp
362 hp @ 5500 rpm
Torque
443 lb-ft
369 lb-ft @ 1600 rpm
Transmission
8-Speed Automatic
9-Speed Automatic
Drivetrain
Other
Rear-Wheel Drive

Steering

Steering Type
Rack-Pinion
Rack-Pinion
Turning Diameter
39.7 ft
39.1 ft

Wheels

Wheels Type
Aluminum Wheels
Aluminum Wheels
Front Wheel Size
21" x 8.5"
19" x 8"
Rear Wheel Size
21" x 8.5"
19" x 9"

Suspension

Front Suspension
Multi-Link
Multi-Link
Rear Suspension
Multi-Link
Multi-Link

Tires

Front Tire
P255/35YR21
P245/40ZR19
Rear Tire
P255/35YR21
P275/35ZR19
Spare Tire
Compact
N/A

Fuel and MPG

Fuel Economy

Combined
22 MPG
26 MPG
City
18 MPG
24 MPG
Highway
28 MPG
31 MPG

Emissions

CO2 Emissions @ 15K mi/year
8.1 Tons/yr
6.8 (2020) Tons/yr

Fuel Tank

Fuel Tank Capacity
19.3 gallons
21.1 gallons
Cruising Range City
347.4 miles
506.4 miles
Cruising Range Highway
540.4 miles
654.1 miles

Dimensions and Measurement

Exterior Dimensions

Length
195 in
196.4 in
Height
56.9 in
56.3 in
Max Width
74.3 in
73.8 in
Front Width
64.3 in
63.8 in
Rear Width
63.7 in
64.1 in
Wheelbase
115.3 in
115.7 in
Ground Clearance
N/A
3.7 in

Interior Space

Seating Capacity
5 seater
5 seater
Front Seat Leg Room
41.3 in
41.9 in
Front Seat Headroom
38 in
36.9 in
Front Seat Shoulder Room
57.8 in
57.8 in
Front Seat Hip Room
N/A
58.9 in
Rear Seat Leg Room
37.4 in
35 in
Rear Seat Headroom
38.1 in
35.9 in
Rear Seat Shoulder Room
56.5 in
56.5 in
Rear Seat Hip Room
N/A
58.6 in

Weight and Towing

Curb Weight
4,486 lbs
4,134 lbs

Cargo Space

Trunk Volume
13.7 ft³
11.9 ft³

Colors and Materials

Standard Exterior Colors

  • Brilliant Black
  • Ibis White
  • Black
  • Polar White

Optional Exterior Colors

  • Avalon Green Metallic
  • Daytona Gray Pearl Effect
  • Firmament Blue Metallic
  • Florett Silver Metallic
  • Glacier White Metallic
  • Mythos Black Metallic
  • Navarra Blue Metallic
  • Tango Red Metallic
  • Vesuvius Gray Metallic
  • Cirrus Silver Metallic
  • Graphite Grey Metallic
  • Lunar Blue Metallic
  • Mojave Silver Metallic
  • Obsidian Black Metallic
  • Selenite Grey Metallic
  • designo Cardinal Red Metallic
  • designo Diamond White Metallic
  • designo Selenite Grey Magno
  • designo Manufaktur Arabian Grey
  • designo Manufaktur Cashmere White Magno
  • designo Manufaktur Cote d'Azur Light Blue Metallic
  • designo Manufaktur Graphite Metallic
  • designo Manufaktur Midnight Blue
  • designo Manufaktur Teide Light Grey

Standard Interior Materials

  • Arras Red, Valcona Leather Seat Trim
  • Black, Valcona Leather Seat Trim
  • Black, Valcona/Milano Leather Seat Trim
  • Rotor Gray, Valcona Leather Seat Trim
  • Black, Leather Upholstery
  • designo Armagnac Brown, designo Manufaktur Nappa Leather Upholstery
  • designo Black/Titanium, designo Nappa Leather Upholstery
  • designo Classic Red/Black, designo Manufaktur Nappa Leather Upholstery
  • designo Deep White/Black, designo Manufaktur Nappa Leather Upholstery
  • designo Macchiato Beige, designo Nappa Leather Upholstery
  • designo Titian Red, designo Nappa Leather Upholstery
  • designo Yacht Blue/Black, designo Manufaktur Nappa Leather Upholstery
  • Macchiato/Magma Grey, Leather Upholstery
  • Magma Grey/Espresso Brown, Leather Upholstery
  • Marsala/Espresso, Leather Upholstery

Optional Interior Materials

N/A
  • Black, Nappa Leather Upholstery
  • Macchiato Beige/Grey, Nappa Leather Upholstery
  • Magma Grey/Espresso, Nappa Leather Upholstery
  • Magma Grey/Macchiato, Nappa Leather Upholstery
  • Marsala Brown/Espresso, Nappa Leather Upholstery
  • Sahara Beige, Nappa Leather Upholstery

Features and Options

Infotainment

HD Radio
Standard
Standard
Bluetooth Connection
Standard
Standard
Premium Sound System
Standard
Standard
Satellite Radio
Standard
Not Available
Smart Device Integration
Standard
Standard
WiFi Hotspot
Standard
Not Available
Auxiliary Audio Input
Standard
Standard
MP3 Player
Standard
Standard

Interior Trim

Bucket Seats
Standard
Standard
Cloth Seats
Standard
Standard
Leather Seats
Standard
Standard
Leather Steering Wheel
Standard
Standard
Premium Synthetic Seats
Standard
Standard
Vinyl Seats
Standard
Standard
Woodgrain Interior Trim
Standard
Standard
Sun/Moonroof
Standard
Standard

Comfort

Head-Up Display
Not Available
Optional
Navigation System
Standard
Standard
Steering Wheel Audio Controls
Standard
Standard
Power Mirror(s)
Standard
Standard
A/C
Standard
Standard
Adaptive Cruise Control
Standard
Optional
Automatic Parking
Not Available
Optional
Climate Control
Standard
Standard
Cooled Front Seat(s)
Optional
Optional
Cruise Control
Standard
Standard
Hands-Free Liftgate
Not Available
Standard
Heated Front Seat(s)
Standard
Standard
Heated Rear Seat(s)
Standard
Optional
Heated Steering Wheel
Standard
Optional
Keyless Entry
Standard
Standard
Multi-Zone A/C
Standard
Standard
Power Driver Seat
Standard
Standard
Power Passenger Seat
Standard
Standard
Remote Engine Start
Not Available
Standard
Seat Memory
Standard
Standard
Universal Garage Door Opener
Standard
Standard
Seat-Massage
Optional
Optional
Rear A/C
Standard
Not Available
Keyless Start
Standard
Standard
Telematics
Standard
Standard

Safety

Safety Features

Back-Up Camera
Standard
Standard
Cross-Traffic Alert
Standard
Not Available
Rear Parking Aid
Standard
Not Available
Blind Spot Monitor
Standard
Standard
Lane Departure Warning
Standard
Not Available
Lane Keeping Assist
Standard
Not Available
ABS
Standard
Standard
Night Vision
Optional
Not Available
Tire Pressure Monitor
Standard
Standard
Brake Assist
Standard
Standard
Stability Control
Standard
Standard
Traction Control
Standard
Standard

Airbags

Driver Air Bag
Standard
Standard
Front Head Air Bag
Standard
Standard
Front Side Air Bag
Standard
Standard
Knee Air Bag
Standard
Standard
Passenger Air Bag
Standard
Standard
Rear Head Air Bag
Standard
Standard
Rear Side Air Bag
Optional
Optional

Warranty

Warranty Summary

Basic
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Corrosion
12 Years / Unlimited Miles
4 Years / 50,000 Miles
Drivetrain
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Hybrid/Electric Components
8 Years / 100,000 Miles
N/A
Roadside Assistance
4 Years / Unlimited Miles
4 Years / 50,000 Miles
Now Buzzing
Listen To The 2021 BMW M4 Start Up And Rev
Sports Cars
Listen To The 2021 BMW M4 Start Up And Rev
2020 Chevy Corvette C8 Has Serious Braking Issue
Recall
2020 Chevy Corvette C8 Has Serious Braking Issue
All-New Audi Q5 Sportback Arrives To Take On BMW X4
Reveal
All-New Audi Q5 Sportback Arrives To Take On BMW X4
This Stunning Lexus LFA Is Practically Brand New
Auctions
This Stunning Lexus LFA Is Practically Brand New
This Rare Shelby Cobra V10 Concept Car Sounds Like Nothing We've Heard Before
Muscle Cars
This Rare Shelby Cobra V10 Concept Car Sounds Like Nothing We've Heard Before
Ringbrothers Creates One-Off Chevrolet Blazer For Rap Star Future
Tuning
Ringbrothers Creates One-Off Chevrolet Blazer For Rap Star Future
Audi S6
Best Comparisons
Mercedes-Benz CLS-Class
Best Comparisons
Popular Tags Cars
By Make
Acura Alfa Romeo Apollo Automobil Aston Martin Audi Bentley BMW Bugatti Buick Cadillac Caterham Chevrolet Chrysler Dodge Ferrari Fiat Fisker Ford Genesis GMC Hennessey Honda Hyundai Infiniti Jaguar Jeep Karma Kia Koenigsegg Lamborghini Land Rover Lexus Lincoln Lotus Maserati Mazda McLaren Mercedes-Benz Mini Mitsubishi Nissan Pagani Polestar Porsche Ram Rimac Rivian Rolls-Royce smart Spyker Subaru Tesla Toyota Volkswagen Volvo
By Car Type
SUVs Crossovers Sedans Coupes Trucks Sports Cars Wagons Vans Hatchbacks Convertibles Small Cars Luxury Cars Electric Cars Hybrid Cars
By Price
Up to $15K $15K - $25K $25K - $35K $35K - $45K $45K - $55K $55K - $75K $75K - $100K $100K - $200K $200K - $300K Above $300K