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Used 2018 Audi S6 for sale near Willowbrook, IL

Filters 5 Year Model Price & payment Make Mileage Body style All filters
1 match 30 miles from 60527
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Est. $400 /mo*
Down Payment
$0
Net trade-in value
$0
Months
72
APR
7.0%
Sales tax
0.0%

*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.

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2018 Audi S6 4.0T Premium Plus
2018 Audi S6 4.0T Premium Plus
2018 Audi S6 4.0T Premium Plus
2018 Audi S6 4.0T Premium Plus
2018 Audi S6 4.0T Premium Plus
2018 Audi S6 4.0T Premium Plus View all 36 photos

Used

2018 Audi S6 4.0T Premium Plus

82,005 mi.
$30,549
Est. $562/mo*
Free CARFAX Report
Autos of Chicago
(95 reviews)
Arlington Heights, IL (25 mi.)
Call Check availability Check availability

Vehicle information

Ext. color: Tornado Gray Metallic
Int. color: Black
Drivetrain: All-wheel Drive
MPG: 16-24
Fuel type: Gasoline
Transmission: Automatic
Engine: 4L V-8 gasoline direct injection, DOHC, variable valve control,
Stock #: 3947
VIN: WAUFFAFC6JN104476

Features

Convenience: Adaptive Cruise Control, Cooled Seats, Heated Seats, Keyless Start, Navigation System
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, CD Player, DVD Player, HomeLink, USB Port
Exterior: Alloy Wheels, Sunroof/Moonroof
Safety: Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Autos of Chicago review

Great service very welcoming beautiful dealership, staff

June 18, 2025
By Mia Adams from Chicago

Great service very welcoming beautiful dealership, staff very friendly and helpful, cars and price are on point. Thank you Autos of Chicago I will be back!

2018 Audi S6 4.0T Premium Plus review

This car is legitimately cool

June 17, 2018
By Newcarguy
Owns this car

It?s comfortable, modern, fast, and handles well. Definitely no regrets in buying one. If you?re on the fence about which Audi to get, spend the extra money and get the S6.

There are 3 matching cars close to your year range.

2020 Audi S6 2.9T Prestige
2020 Audi S6 2.9T Prestige
2020 Audi S6 2.9T Prestige
2020 Audi S6 2.9T Prestige
2020 Audi S6 2.9T Prestige
2020 Audi S6 2.9T Prestige View all 47 photos

Used

2020 Audi S6 2.9T Prestige

32,728 mi.
$44,888
Est. $827/mo*
Free CARFAX Report
Chicago Auto Place
Downers Grove, IL (17 mi.)
Call Check availability Check availability

Vehicle information

Ext. color: Mythos Black Metallic
Int. color: Black w/ Rock Gray Stitching
Drivetrain: All-wheel Drive
MPG: 18-28
Fuel type: Gasoline
Transmission: Automatic
Engine: 2.9L V-6 gasoline direct injection, DOHC, variable valve control
Stock #: H9019
VIN: WAUFFAF21LN044732

Features

Convenience: Adaptive Cruise Control, Heated Seats, Heated Steering Wheel, Keyless Start, Navigation System
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, HomeLink, USB Port
Exterior: Alloy Wheels, Sunroof/Moonroof
Safety: Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, Lane Departure Warning, Stability Control
Seating: Memory Seat
2020 Audi S6 2.9T Prestige
2020 Audi S6 2.9T Prestige
2020 Audi S6 2.9T Prestige
2020 Audi S6 2.9T Prestige
2020 Audi S6 2.9T Prestige
2020 Audi S6 2.9T Prestige View all 32 photos

Used

2020 Audi S6 2.9T Prestige

51,596 mi.
$41,998 $2,000 price drop
Est. $773/mo*
Free AutoCheck Report
Gerald Honda of Matteson
Matteson, IL (20 mi.)
Call Check availability Check availability

Vehicle information

Ext. color: Black
Int. color: Black
Drivetrain: All-wheel Drive
MPG: 18-28
Fuel type: Gasoline
Transmission: Automatic
Engine: 2.9L V-6 gasoline direct injection, DOHC, variable valve control
Stock #: 506506B
VIN: WAUFFAF20LN048979

Features

Convenience: Adaptive Cruise Control, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, HomeLink, USB Port
Exterior: Alloy Wheels, Sunroof/Moonroof
Safety: Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, Lane Departure Warning, Rain Sensing Wipers, Stability Control
Seating: Leather Seats, Memory Seat
No photo available

Used

2016 Audi S6 4.0T quattro Premium Plus

97,513 mi.
$22,400
Est. $412/mo*
Free CARFAX Report
Haus of Imports
Lemont, IL (3 mi.)
Call Check availability Check availability

Vehicle information

Ext. color: White
Int. color: Lunar Silver
Drivetrain: All-wheel Drive
MPG: 18-27
Fuel type: Gasoline
Transmission: 7-Speed Automatic with Auto-Shift
Engine: 4.0L V8 32V GDI DOHC Twin Turbo
Stock #: 16767
VIN: WAUH2AFC2GN016876

Features

Convenience: Heated Seats, Navigation System
Entertainment: Bluetooth®, CD Player, DVD Player, Premium Sound System, Satellite Radio
Exterior: Alloy Wheels, Sunroof/Moonroof
Safety: Brake Assist, Stability Control
Seating: Leather Seats, Memory Seat
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About the 2018 Audi S6

Basics

4.0T Prestige shown (base trim).

Seating
5
Door count
4
Drivetrain
All-wheel drive
Combined MPG
18
Transmission
7-Speed A/T
Engine
450.0-hp, 4.0-liter, 8 Cylinder Engine (Gasoline Fuel)
Side view of the 2018 Audi S6
FAQs

How much does the 2018 Audi S6 cost?

The 2018 Audi S6 price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide average price for a 2018 S6 is $31,735, with pricing starting at $26,298.

What is the MPG of the 2018 Audi S6?

The 2018 Audi S6 offers up to 16 MPG in city driving and 24 MPG on the highway for a combined rating of 18 MPG.

These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle trim, driving conditions, driving habits, vehicle maintenance, and other factors.

What are some similar vehicles and competitors of the 2018 Audi S6?

The 2018 Audi S6 compares to and/or competes against the following vehicles:

Is the 2018 Audi S6 reliable?

The 2018 Audi S6 has an average reliability rating of 5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2018 S6 owners.

Is the 2018 Audi S6 a good sedan?

Below are the Cars.com consumer ratings for the 2018 Audi S6.

(2 reviews)
Rating breakdown (out of 5):
  • Comfort 5.0
  • Interior 5.0
  • Performance 5.0
  • Value 5.0
  • Exterior 5.0
  • Reliability 5.0
Ratings (2 reviews)

100% of drivers recommend this car

Rating breakdown (out of 5):
  • Comfort 5.0
  • Interior 5.0
  • Performance 5.0
  • Value 5.0
  • Exterior 5.0
  • Reliability 5.0
Trims

Premium Plus (1 style)

Style
4.0 TFSI Premium Plus
Inventory price
Starting at $71,900
Combined MPG
18
Engine
450.0-hp, 4.0-liter, 8 Cylinder Engine (Gasoline Fuel)

Prestige (1 style)

Style
4.0 TFSI Prestige
Inventory price
Starting at $71,900
Combined MPG
18
Engine
450.0-hp, 4.0-liter, 8 Cylinder Engine (Gasoline Fuel)

*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.

**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.

1 match Clear
Clear
1 match
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Save your search and get notified when new inventory arrives.
Basics
Audi models
S6 trims
Price & payment Full Price Monthly
‡Monthly budget search results are estimated based on a 72-month loan term with $0 down payment, $0 trade-in value, 0.0 % sales tax and 7.0 % APR. Inputs can be personalized using the calculator.
Financing
Deal rating
Vehicle history
Awards
Style
Body style
Vehicle size
Cab type
Exterior color
Interior color
Performance
Transmission
Drivetrain
Cylinders
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