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Compare Audi A8 vs Cadillac XTS vs Mercedes-Benz S-Class Sedan

Audi A8
2020 Audi A8
Select configuration:
TBC
Starting Price (MSRP)
8.9
Audi A8 Full Review
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Cadillac XTS
2019 Cadillac XTS
Select configuration:
$46,895
Starting Price (MSRP)
7.3
Cadillac XTS Full Review
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Mercedes-Benz S-Class Sedan
2020 Mercedes-Benz S-Class Sedan
Select configuration:
$94,250
Starting Price (MSRP)
N/A
Mercedes-Benz S-Class Sedan Full Review
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Overview

Engine
4.0-liter Twin-Turbo V8 Hybrid
Engine
3.6-liter V6 Gas
Engine
3.0-liter Twin-Turbo V6 Gas
Transmission
8-Speed Automatic
Transmission
6-Speed Automatic
Transmission
9-Speed Automatic
Drivetrain
All Wheel Drive
Drivetrain
Front Wheel Drive
Drivetrain
Rear Wheel Drive
Fuel Economy
N/A
Fuel Economy
City: 19 MPG
Hwy: 28 MPG
Fuel Economy
City: 19 MPG
Hwy: 28 MPG
Fuel Tank Capacity
21.7 gallons
Fuel Tank Capacity
19 gallons
Fuel Tank Capacity
21.1 gallons
Seating Capacity
5 seater
Seating Capacity
5 seater
Seating Capacity
5 seater
Trunk Volume
12.5 ft³
Trunk Volume
18 ft³
Trunk Volume
12.3 ft³

Photos

38
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13
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41
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Performance Specs

Engine and Transmission

Engine
4.0-liter Twin-Turbo V8 Hybrid
3.6-liter V6 Gas
3.0-liter Twin-Turbo V6 Gas
Horsepower
460 hp
304 hp @ 6800 rpm
362 hp @ 5500 rpm
Torque
487 lb-ft
264 lb-ft @ 5300 rpm
369 lb-ft @ 1600 rpm
Transmission
8-Speed Automatic
6-Speed Automatic
9-Speed Automatic
Drivetrain
All Wheel Drive
Front Wheel Drive
Rear Wheel Drive

Steering

Steering Type
Rack-Pinion
Pwr Rack & Pinion
Rack-Pinion
Turning Diameter
42.2 ft
38.7 ft
N/A

Wheels

Wheels Type
N/A
N/A
Aluminum Wheels
Front Wheel Size
19" x 9"
19" x 8.5"
18" x 8"
Rear Wheel Size
19" x 9"
19" x 8.5"
18" x 8"

Suspension

Front Suspension
Multi-Link
HiPer Strut
Multi-Link
Rear Suspension
Multi-Link
Linked H-Arm
Multi-Link

Tires

Front Tire
P255/45HR19
P245/45R19
P245/50HR18
Rear Tire
P255/45HR19
P245/45R19
P245/50HR18
Spare Tire
Compact
N/A
N/A

Fuel and MPG

Fuel Economy

Combined
N/A
22 MPG
22 MPG
City
N/A
19 MPG
19 MPG
Highway
N/A
28 MPG
28 MPG

Emissions

CO2 Emissions @ 15K mi/year
N/A
8.0 Tons/yr
8.1 Tons/yr

Fuel Tank

Fuel Tank Capacity
21.7 gallons
19 gallons
21.1 gallons
Cruising Range City
N/A
361 miles
400.9 miles
Cruising Range Highway
N/A
532 miles
590.8 miles

Dimensions and Measurement

Exterior Dimensions

Length
208.7 in
200.9 in
206.9 in
Height
58.5 in
59.4 in
58.8 in
Max Width
76.6 in
72.9 in
N/A
Front Width
64.7 in
61.7 in
63.9 in
Rear Width
64.3 in
62 in
64.5 in
Wheelbase
123.1 in
111.7 in
124.6 in
Ground Clearance
N/A
N/A
5 in

Interior Space

Seating Capacity
5 seater
5 seater
5 seater
Front Seat Leg Room
41.5 in
42.1 in
41.4 in
Front Seat Headroom
38.3 in
39 in
42.1 in
Front Seat Shoulder Room
59.1 in
57.9 in
59.7 in
Front Seat Hip Room
N/A
55.1 in
61.2 in
Rear Seat Leg Room
44.3 in
40 in
43 in
Rear Seat Headroom
38.5 in
37.8 in
39.2 in
Rear Seat Shoulder Room
57.6 in
56.3 in
59.1 in
Rear Seat Hip Room
N/A
54.3 in
61.5 in

Weight and Trailing

Curb Weight
4,751 lbs
4,021 lbs
4,553 lbs

Cargo Space

Trunk Volume
12.5 ft³
18 ft³
12.3 ft³

Colors and Materials

Standard Exterior Colors

  • 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
N/A
  • Anthracite Blue Metallic
  • Black
  • Diamond Silver Metallic
  • Dune Silver Metallic
  • Emerald Green Metallic
  • Iridium Silver Metallic
  • Lunar Blue Metallic
  • Magnetite Black Metallic
  • Obsidian Black Metallic
  • Ruby Black Metallic
  • Selenite Grey

Optional Exterior Colors

N/A
N/A
designo Diamond White

Standard Interior Materials

  • Black, Valcona Leather Seat Upholstery
  • Black, Valetta Leather Seat Upholstery
  • Merino Gray, Valcona Leather Seat Upholstery
  • Nutmeg Brown, Valcona Leather Seat Upholstery
  • Pearl Beige, Valcona Leather Seat Upholstery
  • Saiga Beige, Valcona Leather Seat Upholstery
  • Saiga Beige, Valetta Leather Seat Upholstery
  • Sarder Brown, Valcona Leather Seat Upholstery
  • Sarder Brown, Valcona Leather Seat Upholstery
  • Sarder Brown, Valetta Leather Seat Upholstery
  • Jet Black, Leather Seating Surfaces with Mini-Perforation
  • Shale with Jet Black accents, Leather Seating Surfaces with Mini-Perforation
  • Black, Leather Upholstery
  • designo Silk Beige/Blue, Semi-Aniline Leather Upholstery
  • designo Silk Beige/Grey, Semi-Aniline Leather Upholstery
  • designo Silk Beige/Red, Semi-Aniline Leather Upholstery
  • Nut Brown/Black, Leather Upholstery
  • Sahara Beige, Leather Upholstery

Optional Interior Materials

N/A
N/A
  • Black, Nappa Leather Upholstery
  • Magma Grey/Espresso Brown, Nappa Leather Upholstery
  • Nut Brown/Black, Nappa Leather Upholstery
  • Porcelain/Black, Nappa Leather Upholstery
  • Silk Beige/Espresso Brown, Nappa Leather Upholstery
  • Black, Exclusive Nappa Leather Upholstery
  • Magma Grey/Espresso Brown, Exclusive Nappa Leather Upholstery
  • Mahogany/Silk Beige, Exclusive Nappa Leather Upholstery
  • Porcelain/Black, Exclusive Nappa Leather Upholstery
  • Saddle Brown/Black, Exclusive Nappa Leather Upholstery
  • Sand, Exclusive Nappa Leather Upholstery

Features and Options

Infotainment

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

Interior Trim

Bucket Seats
Standard
Not Available
Standard
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
Standard
Standard
Not Available

Comfort

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

Safety

Safety Features

Back-Up Camera
Standard
Standard
Standard
Cross-Traffic Alert
Standard
Not Available
Not Available
Rear Parking Aid
Standard
Standard
Not Available
Blind Spot Monitor
Standard
Not Available
Standard
Lane Departure Warning
Standard
Not Available
Standard
Lane Keeping Assist
Standard
Not Available
Standard
ABS
Standard
Standard
Standard
Night Vision
Standard
Not Available
Optional
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
Standard
Standard
Standard
Seatbelt Air Bag
Not Available
Not Available
Optional

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
Hybrid/Electric Components
8 Years / 100,000 Miles
N/A
N/A
Maintenance
1 Years / 10,000 Miles
N/A
N/A
Roadside Assistance
4 Years / Unlimited Miles
6 Years / 70,000 Miles
4 Years / 50,000 Miles
Maintenance Note
N/A
1 Year/1 Visit
N/A
Rust-Through
N/A
6 Years / Unlimited Miles
N/A