Compare Audi S4 Sedan vs Cadillac ATS Sedan vs Mercedes-Benz C-Class Sedan

Audi S4 Sedan
2021 Audi S4 Sedan
Select configuration:
$49,900
Starting Price (MSRP)
8.6
Audi S4 Sedan Full Review
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Cadillac ATS Sedan
2018 Cadillac ATS Sedan
Select configuration:
$35,495
Starting Price (MSRP)
7.0
Cadillac ATS Sedan Full Review
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Mercedes-Benz C-Class Sedan
2021 Mercedes-Benz C-Class Sedan
Select configuration:
$41,600
Starting Price (MSRP)
N/A
Mercedes-Benz C-Class Sedan Full Review
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Overview

Engine
3.0-liter Turbo V6 Gas
Engine
2.0-liter Turbo Inline-4 Gas
Engine
2.0-liter Turbo Inline-4 Gas
Transmission
8-Speed Automatic
Transmission
8-Speed Automatic
Transmission
9-Speed Automatic
Drivetrain
All-Wheel Drive
Drivetrain
Rear-Wheel Drive
Drivetrain
Rear-Wheel Drive
Fuel Economy
City: 20 MPG
Hwy: 28 MPG
Fuel Economy
City: 22 MPG
Hwy: 31 MPG
Fuel Economy
City: 24 MPG
Hwy: 35 MPG
Fuel Tank Capacity
15.3 gallons
Fuel Tank Capacity
16 gallons
Fuel Tank Capacity
17.4 gallons
Seating Capacity
5 seater
Seating Capacity
5 seater
Seating Capacity
5 seater
Trunk Volume
12 ft³
Trunk Volume
10.4 ft³
Trunk Volume
12.6 ft³

Photos

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Performance Specs

Engine and Transmission

Engine
3.0-liter Turbo V6 Gas
2.0-liter Turbo Inline-4 Gas
2.0-liter Turbo Inline-4 Gas
Horsepower
349 hp @ 5400 rpm
272 hp @ 5500 rpm
255 hp @ 5800 rpm
Torque
369 lb-ft @ 1370 rpm
295 lb-ft @ 3000 rpm
273 lb-ft @ 1800 rpm
Transmission
8-Speed Automatic
8-Speed Automatic
9-Speed Automatic
Drivetrain
All-Wheel Drive
Rear-Wheel Drive
Rear-Wheel Drive

Steering

Steering Type
Rack-Pinion
Pwr Rack & Pinion
Rack-Pinion
Turning Diameter
38.1 ft
36.38 ft
36.8 ft

Wheels

Wheels Type
Aluminum Wheels
Aluminum Wheels
Aluminum Wheels
Front Wheel Size
18" x 8"
17" x 8.0"
18" x 7.5"
Rear Wheel Size
18" x 8"
17" x 8.0"
18" x 8.5"

Suspension

Front Suspension
Multi-Link
MacPherson Strut
Strut
Rear Suspension
Multi-Link
Five-Link
Multi-Link

Tires

Front Tire
P245/40YR18
P225/45R17
P225/45HR18
Rear Tire
P245/40YR18
P225/45R17
P245/40HR18
Spare Tire
Compact
N/A
N/A

Fuel and MPG

Fuel Economy

Combined
23 MPG
25 MPG
28 MPG
City
20 MPG
22 MPG
24 MPG
Highway
28 MPG
31 MPG
35 MPG

Emissions

CO2 Emissions @ 15K mi/year
7.8 Tons/yr
7.1 Tons/yr
6.3 (Est) Tons/yr

Fuel Tank

Fuel Tank Capacity
15.3 gallons
16 gallons
17.4 gallons
Cruising Range City
306 miles
352 miles
417.6 miles
Cruising Range Highway
428.4 miles
496 miles
609 miles

Dimensions and Measurement

Exterior Dimensions

Length
187.5 in
182.8 in
184.5 in
Height
56.2 in
55.9 in
56.8 in
Max Width
72.7 in
71.1 in
71.3 in
Front Width
61.9 in
59.5 in
61.5 in
Rear Width
61.2 in
60.9 in
60.9 in
Wheelbase
111 in
109.3 in
111.8 in
Ground Clearance
4.5 in
N/A
3.8 in

Interior Space

Seating Capacity
5 seater
5 seater
5 seater
Front Seat Leg Room
41.3 in
42.5 in
41.7 in
Front Seat Headroom
37.3 in
38.6 in
37.1 in
Front Seat Shoulder Room
55.9 in
55.2 in
55.3 in
Front Seat Hip Room
N/A
53 in
N/A
Rear Seat Leg Room
35.7 in
33.5 in
35.2 in
Rear Seat Headroom
37.4 in
36.8 in
37.1 in
Rear Seat Shoulder Room
54.5 in
53.9 in
55 in
Rear Seat Hip Room
N/A
52.3 in
N/A

Weight and Towing

Curb Weight
3,847 lbs
3,373 lbs
3,472 lbs

Cargo Space

Trunk Volume
12 ft³
10.4 ft³
12.6 ft³

Colors and Materials

Standard Exterior Colors

  • Ibis White
  • Quantum Gray
  • Turbo Blue
N/A
  • Black
  • Polar White

Optional Exterior Colors

  • Daytona Gray Pearl Effect
  • Glacier White Metallic
  • Mythos Black Metallic
  • Navarra Blue Metallic
  • Tango Red Metallic
N/A
  • Brilliant Blue Metallic
  • Iridium Silver Metallic
  • Lunar Blue Metallic
  • Mojave Silver Metallic
  • Obsidian Black Metallic
  • Selenite Grey Metallic
  • designo Cardinal Red Metallic
  • designo Diamond White Metallic

Standard Interior Materials

  • Black, Leather/Alcantara Seats
  • Rotor Gray, Leather/Alcantara Seats
  • Jet Black with Jet Black Accents, Leatherette Seating Surfaces
  • Light Platinum with Jet Black Accents, Leatherette Seating Surfaces
  • AMG Black, MB-Tex Upholstery
  • AMG Saddle Brown, MB-Tex Upholstery
  • AMG Silk Beige, MB-Tex Upholstery
  • Black, MB-Tex Upholstery
  • Black, MB-Tex/DINAMICA Upholstery
  • designo Platinum White, designo Nappa Leather Upholstery
  • Magma Grey, MB-Tex Upholstery
  • Silk Beige, MB-Tex Upholstery

Optional Interior Materials

N/A
N/A
  • AMG Black, Leather Upholstery
  • AMG Cranberry Red, Leather Upholstery
  • Black, Leather Upholstery
  • Magma Grey, Leather Upholstery
  • Saddle Brown, Leather Upholstery
  • Silk Beige, Leather Upholstery
  • Silk Beige/Black, Leather Upholstery

Features and Options

Infotainment

HD Radio
Standard
Standard
Standard
Bluetooth Connection
Standard
Standard
Standard
Hard Disk Drive Media Storage
Not Available
Not Available
Optional
Premium Sound System
Not Available
Standard
Optional
Satellite Radio
Optional
Standard
Optional
Smart Device Integration
Standard
Not Available
Standard
WiFi Hotspot
Not Available
Standard
Standard
Auxiliary Audio Input
Standard
Not Available
Standard
MP3 Player
Standard
Not Available
Standard

Interior Trim

Bucket Seats
Standard
Not Available
Not Available
Cloth Seats
Standard
Standard
Standard
Leather Seats
Standard
Standard
Standard
Leather Steering Wheel
Standard
Standard
Standard
Premium Synthetic Seats
Standard
Standard
Standard
Vinyl Seats
Standard
Standard
Standard
Woodgrain Interior Trim
Not Available
Optional
Optional
Sun/Moonroof
Standard
Optional
Standard

Comfort

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

Safety

Safety Features

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

US NHTSA crash test result

Overall Rating
N/A
N/A
Frontal Barrier Crash Rating
N/A
N/A
Side Crash Rating
N/A
N/A
Rollover Rating
N/A
N/A

Airbags

Driver Air Bag
Standard
Standard
Standard
Front Head Air Bag
Standard
Standard
Standard
Front Side Air Bag
Standard
Standard
Standard
Knee Air Bag
Standard
Standard
Standard
Passenger Air Bag
Standard
Standard
Standard
Rear Head Air Bag
Standard
Standard
Standard
Rear Side Air Bag
Optional
Not Available
Standard

Warranty

Warranty Summary

Basic
4 Years / 50,000 Miles
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Corrosion
12 Years / Unlimited Miles
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Drivetrain
4 Years / 50,000 Miles
6 Years / 70,000 Miles
4 Years / 50,000 Miles
Roadside Assistance
4 Years / Unlimited Miles
6 Years / 70,000 Miles
4 Years / 50,000 Miles
Maintenance
N/A
3 Years / 36,000 Miles
N/A
Rust-Through
N/A
6 Years / Unlimited Miles
N/A