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Compare Audi S8 vs Mercedes-Benz S-Class Sedan

2018 Audi S8
Select configuration:
$115,900
Starting Price (MSRP)
8.4
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2018 Mercedes-Benz S-Class Sedan
Select configuration:
$89,900
Starting Price (MSRP)
9.1
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Overview

Engine
4.0-liter Twin-Turbo V8 Gas
Engine
3.0-liter Twin-Turbo V6 Gas
Transmission
8-Speed Automatic
Transmission
9-Speed Automatic
Drivetrain
All Wheel Drive
Drivetrain
Rear Wheel Drive
Fuel Economy
City: 14 MPG
Hwy: 24 MPG
Fuel Economy
City: 19 MPG
Hwy: 28 MPG
Fuel Tank Capacity
21.7 gallons
Fuel Tank Capacity
20.7 gallons
Seating Capacity
5 seater
Seating Capacity
5 seater
Trunk Volume
14.2 ft³
Trunk Volume
18.7 ft³

Photos

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Performance Specs

Engine and Transmission

Engine
4.0-liter Twin-Turbo V8 Gas
3.0-liter Twin-Turbo V6 Gas
Horsepower
605 hp @ 6100 rpm
362 hp @ 5500 rpm
Torque
517 lb-ft @ 1750 rpm
369 lb-ft @ 1600 rpm
Transmission
8-Speed Automatic
9-Speed Automatic
Drivetrain
All Wheel Drive
Rear Wheel Drive

Steering

Steering Type
Rack-Pinion
Rack-Pinion
Turning Diameter
40.4 ft
39 ft

Wheels

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

Suspension

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

Tires

Front Tire
P275/35YR21
P245/50HR18
Rear Tire
P275/35YR21
P245/50HR18
Spare Tire
Compact
N/A

Fuel and MPG

Fuel Economy

Combined
18 MPG
22 MPG
City
14 MPG
19 MPG
Highway
24 MPG
28 MPG

Emissions

CO2 Emissions @ 15K mi/year
9.8 Tons/yr
8.1 Tons/yr

Fuel Tank

Fuel Tank Capacity
21.7 gallons
20.7 gallons
Cruising Range City
303.8 miles
393.3 miles
Cruising Range Highway
520.8 miles
579.6 miles

Dimensions and Measurement

Exterior Dimensions

Length
202.6 in
206.5 in
Height
57.4 in
58.9 in
Max Width
76.7 in
74.8 in
Front Width
64.3 in
63 in
Rear Width
63.9 in
63.2 in
Wheelbase
117.9 in
124.6 in
Ground Clearance
N/A
5 in

Interior Space

Seating Capacity
5 seater
5 seater
Front Seat Leg Room
41.4 in
41.4 in
Front Seat Headroom
37.2 in
42.1 in
Front Seat Shoulder Room
59.1 in
59.7 in
Front Seat Hip Room
N/A
61.2 in
Rear Seat Leg Room
38.7 in
43 in
Rear Seat Headroom
38.1 in
39.2 in
Rear Seat Shoulder Room
57.8 in
59.1 in
Rear Seat Hip Room
N/A
61.5 in

Weight and Trailing

Curb Weight
4,685 lbs
N/A

Cargo Space

Trunk Volume
14.2 ft³
18.7 ft³

Colors and Materials

Standard Exterior Colors

  • Brilliant Black
  • Daytona Gray Pearl Effect
  • Florett Silver Metallic
  • Glacier White Metallic
  • Ibis White
  • Monsoon Gray Metallic
  • Moonlight Blue Metallic
  • Mythos Black Metallic
  • Anthracite Blue Metallic
  • Black
  • Diamond Silver Metallic
  • Emerald Green Metallic
  • Iridium Silver Metallic
  • Lunar Blue Metallic
  • Magnetite Black Metallic
  • Obsidian Black Metallic
  • Ruby Black Metallic
  • Selenite Grey Metallic

Optional Exterior Colors

Florett Silver Matte Effect
  • designo Diamond White
  • designo Mocha Black Metallic
  • designo Allanite Grey Magno
  • designo Cashmere White Magno

Standard Interior Materials

  • Balao Brown, Valcona Leather Seat Upholstery
  • Black w/Arras Red, Valcona Leather Seat Upholstery
  • Black, Valcona Leather Seat Upholstery
  • Lunar Silver, Valcona Leather Seat Upholstery
  • Nougat Brown, Valcona Leather Seat Upholstery
  • Titanium Gray, Valcona Leather Seat Upholstery
  • Velvet Beige, Valcona Leather Seat Upholstery
  • Vermont Brown, Valcona Leather Seat Upholstery
  • Black, Leather Upholstery
  • Nut Brown/Black, Leather Upholstery
  • Silk Beige/Espresso Brown, Leather Upholstery

Optional Interior Materials

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
  • Nut Brown/Black, Exclusive Nappa Leather Upholstery
  • Porcelain/Black, Exclusive Nappa Leather Upholstery
  • Silk Beige/Espresso Brown, Exclusive Nappa Leather Upholstery

Features and Options

Infotainment

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

Comfort

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

Safety

Safety Features

Back-Up Camera
Standard
Standard
Cross-Traffic Alert
Standard
Not Available
Rear Parking Aid
Standard
Optional
Blind Spot Monitor
Standard
Standard
Lane Departure Warning
Optional
Standard
Lane Keeping Assist
Optional
Standard
ABS
Standard
Standard
Night Vision
Optional
Optional
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
Standard
Standard
Seatbelt Air Bag
Not Available
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
Maintenance
1 Years / 10,000 Miles
N/A
Roadside Assistance
4 Years / Unlimited Miles
4 Years / 50,000 Miles