CoPilot AI-Assisted Car Shopping

 New Search
 Save
 Sort
 Share

Used Audi S4 for Sale in Chicago, IL

S4s for Sale at Dealers

Filters
Price
Year
Mileage
Trim
2018 Audi S4 Premium Plus AWD photo
1
Price Drop
2018 Audi S4 Premium Plus AWD Streamwood, IL
Gray 3.0L V6 Engine
$22,495 87.7k miles
•••

#1 2015-2023 Audi S4

CoPilot AI: It’s anA” Buy

  • $1,000 Price Drop
  • Good Price - $1,349 Below Market
  • Includes $1,871 Premium Upgrades
More details
2021 Audi S4 Premium Plus AWD photo
2
Price Drop
2021 Audi S4 Premium Plus AWD Downers Grove, IL
Gray 3.0L V6 Engine
$37,888 33.9k miles
•••

#2 2015-2023 Audi S4

CoPilot AI: It’s anA” Buy

  • $1,000 Price Drop
  • Fair Price - $190 Above Market
  • Includes $5,136 Premium Upgrades
More details
2018 Audi S4 Premium Plus AWD photo
3
Price Drop
2018 Audi S4 Premium Plus AWD Gurnee, IL
White 3.0L V6 Engine
$22,295 105.5k miles
•••

#3 2015-2023 Audi S4

CoPilot AI: It’s anA-” Buy

  • $500 Price Drop
  • Fair Price - $463 Below Market
  • Includes $2,886 Premium Upgrades
More details
2018 Audi S4 Premium Plus AWD photo
4
Price Drop
2018 Audi S4 Premium Plus AWD Alsip, IL
Gray 3.0L V6 Engine
$19,000 125.7k miles
•••

#4 2015-2023 Audi S4

CoPilot AI: It’s anA-” Buy

  • $995 Price Drop
  • Fair Price - $68 Above Market
  • Includes $1,897 Premium Upgrades
More details
2015 Audi S4 Premium Plus AWD photo
5
2015 Audi S4 Premium Plus AWD Westmont, IL
3.0L V6 Engine
$19,991 75.6k miles
•••

#5 2015-2023 Audi S4

CoPilot AI: It’s aB+” Buy

  • Great Price - $2,009 Below Market
  • CARFAX: Clean Title, Not a rental or commercial vehicle
  • Very Low Mileage
More details
2018 Audi S4 Prestige AWD photo
6
Price Drop
2018 Audi S4 Prestige AWD Rockford, IL
Gray 3.0L V6 Engine
$28,995 69.2k miles
•••

#6 2015-2023 Audi S4

CoPilot AI: It’s aB+” Buy

  • $1,000 Price Drop
  • Good Price - $998 Below Market
  • Includes $6,867 Premium Upgrades
More details
2019 Audi S4 Premium Plus AWD photo
7
Price Drop
2019 Audi S4 Premium Plus AWD Highland, IN
White 3.0L V6 Engine
$31,330 37.8k miles
•••

#7 2015-2023 Audi S4

CoPilot AI: It’s aB+” Buy

  • $50 Price Drop
  • Fair Price - $823 Above Market
  • Includes $3,211 Premium Upgrades
More details
2018 Audi S4 Prestige AWD photo
8
2018 Audi S4 Prestige AWD Lemont, IL
Blue 3.0L V6 Engine
$23,800 95.3k miles
•••

#8 2015-2023 Audi S4

CoPilot AI: It’s aB” Buy

  • Fair Price - $505 Below Market
  • Includes $4,285 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2019 Audi S4 Premium Plus AWD photo
9
2019 Audi S4 Premium Plus AWD Bartlett, IL
Gray 3.0L V6 Engine
$27,999 76.9k miles
•••

#9 2015-2023 Audi S4

CoPilot AI: It’s aB-” Buy

  • Includes $3,573 Premium Upgrades
  • CARFAX: Clean Title
  • Below Average Mileage
More details
2018 Audi S4 Premium Plus AWD photo
10
Price Drop
2018 Audi S4 Premium Plus AWD Lemont, IL
White 3.0L V6 Engine
$25,300 66.4k miles
•••

#10 2015-2023 Audi S4

CoPilot AI: It’s aC-” Buy

  • $500 Price Drop
  • Includes $268 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2018 Audi S4 Prestige AWD photo
11
2018 Audi S4 Prestige AWD St. Charles, IL
Black 3.0L V6 Engine
$31,988 46.4k miles
•••

#11 2015-2023 Audi S4

CoPilot AI: It’s aD+” Buy

  • Includes $301 Premium Upgrades
  • CARFAX: Clean Title
  • Motivation to Negotiate - High
More details
2018 Audi S4 Premium Plus AWD photo
12
2018 Audi S4 Premium Plus AWD Mishawaka, IN
Gray 3.0L V6 Engine
$26,158 80.8k miles
•••

#12 2015-2023 Audi S4

CoPilot AI: It’s aD” Buy

  • Includes $1,377 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
  • Motivation to Negotiate - Increasing
More details
2015 Audi S4 Premium Plus AWD photo
13
Price Drop
2015 Audi S4 Premium Plus AWD Des Plaines, IL
White 3.0L V6 Engine
$21,999 114.4k miles
•••

#13 2015-2023 Audi S4

CoPilot AI: It’s aD” Buy

  • $1,501 Price Drop
  • Includes $892 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2019 Audi S4 Premium Plus AWD photo
2019 Audi S4 Premium Plus AWD Worth, IL
White 3.0L V6 Engine
$29,256 65.7k miles
•••

Not Ranked

CoPilot AI: It’s aB+” Buy

  • Fair Price - $824 Below Market
  • Includes $5,131 Premium Upgrades
  • Motivation to Negotiate - High
More details

2025 Audi S4

Compact Luxury Sedan
Seats
5
Fuel Economy
21City MPG
29Hwy MPG
NHTSA Rating Summary
Dimensions

© 2025 CoPilot. All Rights Reserved.