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Compare Cars
Compare Audi S6 vs Mercedes-Benz CLS-Class
Compare Audi S6
vs
Mercedes-Benz CLS-Class
2021 Audi S6
Select configuration:
Prestige TFSI quattro AWD
$74,400
Starting Price (MSRP)
8.0
Audi S6 For Sale
Audi S6 Full Review
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2021 Mercedes-Benz CLS-Class
Select configuration:
CLS 450 RWD
$70,300
Starting Price (MSRP)
8.1
Mercedes-Benz CLS-Class For Sale
Mercedes-Benz CLS-Class Full Review
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Compare to...
Audi A6
Audi A7 Hybrid
Audi A7 Sportback
Audi S4 Sedan
Audi S5 Coupe
Audi S7 Sportback
BMW 5 Series Sedan
BMW 6 Series Gran Turismo
BMW M5 Sedan
Cadillac CT5-V Blackwing
Genesis G80
Karma GSe-6
Lexus GS F
Lincoln Continental
Lucid Air
Maserati Ghibli
Mercedes-AMG CLS 53
Mercedes-AMG E53 Sedan
Mercedes-Benz E-Class Sedan
Volvo S90 Hybrid
Volvo V60 Hybrid
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Overview
Engine
2.9L Twin-Turbo V6 Gas
Engine
3.0L Turbo Inline-6 Gas
Transmission
8-Speed Automatic
Transmission
9-Speed Automatic
Drivetrain
All-Wheel Drive
Drivetrain
Rear-Wheel Drive
Fuel Economy
City: 18 MPG
Hwy: 28 MPG
Fuel Economy
City: 23 MPG
Hwy: 30 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
18
More
53
More
Performance Specs
Engine and Transmission
Engine
2.9L Twin-Turbo V6 Gas
3.0L Turbo Inline-6 Gas
Horsepower
444 hp
362 hp @ 5500 rpm
Torque
443 lb-ft
369 lb-ft @ 1600 rpm
Transmission
8-Speed Automatic
9-Speed Automatic
Drivetrain
All-Wheel Drive
Rear-Wheel Drive
Weight and Towing
Curb Weight
4,486 lbs
4,134 lbs
Fuel and MPG
Fuel Economy
Combined
22 MPG
26 MPG
City
18 MPG
23 MPG
Highway
28 MPG
30 MPG
Emissions
CO2 Emissions @ 15K mi/year
8.1 Tons/yr
6.8 Tons/yr
Fuel Tank
Fuel Tank Capacity
19.3 gallons
21.1 gallons
Cruising Range City
347.4 miles
485.3 miles
Cruising Range Highway
540.4 miles
633 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
Cargo Space
Trunk Volume
13.7 ft³
11.9 ft³
Wheels and Suspension
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
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 Deep Green
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
Armagnac Brown/Black, designo Manufaktur Nappa Leather Upholstery
Black, Leather Upholstery
Classic Red/Black, designo Manufaktur Nappa Leather Upholstery
Deep White/Black, designo Manufaktur Nappa Leather Upholstery
designo Black/Titanium, designo Nappa Leather Upholstery
designo Macchiato Beige, designo Nappa Leather Upholstery
designo Titian Red, designo Nappa Leather Upholstery
Macchiato/Magma Grey, Leather Upholstery
Magma Grey/Espresso Brown, Leather Upholstery
Marsala/Espresso, Leather Upholstery
Yacht Blue/Black, designo Manufaktur Nappa 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
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
Not Available
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
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