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 Prestige AWD photo
1
2018 Audi S4 Prestige AWD Roselle, IL
Gray 3.0L V6 Engine
$25,995 75k miles
•••

#1 2015-2023 Audi S4

CoPilot AI: It’s anA+” Buy

  • Great Price - $2,366 Below Market
  • Includes $6,170 Premium Upgrades
  • CARFAX: Clean Title
More details
2022 Audi S4 Premium Plus AWD photo
2
Price Drop
2022 Audi S4 Premium Plus AWD Barrington, IL
Black 3.0L V6 Engine
$38,995 52.7k miles
•••

#2 2015-2023 Audi S4

CoPilot AI: It’s anA+” Buy

  • $1,000 Price Drop
  • Great Price - $2,497 Below Market
  • Includes $8,400 Premium Upgrades
More details
2018 Audi S4 Premium Plus AWD photo
3
Price Drop
2018 Audi S4 Premium Plus AWD Oak Creek, WI
White 3.0L V6 Engine
$23,275 90.3k miles
•••

#3 2015-2023 Audi S4

CoPilot AI: It’s anA+” Buy

  • $830 Price Drop
  • Great Price - $2,457 Below Market
  • Includes $3,465 Premium Upgrades
More details
2022 Audi S4 Premium Plus AWD photo
4
Price Drop
2022 Audi S4 Premium Plus AWD Franklin, WI
Black 3.0L V6 Engine
$46,490 16.4k miles
•••

#4 2015-2023 Audi S4

CoPilot AI: It’s anA” Buy

  • $509 Price Drop
  • Fair Price - $532 Below Market
  • Includes $9,152 Premium Upgrades
More details
2018 Audi S4 Premium Plus AWD photo
5
Price Drop
2018 Audi S4 Premium Plus AWD Gurnee, IL
White 3.0L V6 Engine
$22,295 105.5k miles
•••

#5 2015-2023 Audi S4

CoPilot AI: It’s anA-” Buy

  • $500 Price Drop
  • Fair Price - $498 Below Market
  • Includes $2,890 Premium Upgrades
More details
2019 Audi S4 Premium Plus AWD photo
6
2019 Audi S4 Premium Plus AWD Bartlett, IL
Gray 3.0L V6 Engine
$26,287 77k miles
•••

#6 2015-2023 Audi S4

CoPilot AI: It’s anA-” Buy

  • Fair Price - $17 Above Market
  • Includes $3,478 Premium Upgrades
  • CARFAX: Clean Title
More details
2018 Audi S4 Premium Plus AWD photo
7
Price Drop
2018 Audi S4 Premium Plus AWD Alsip, IL
Gray 3.0L V6 Engine
$19,000 125.7k miles
•••

#7 2015-2023 Audi S4

CoPilot AI: It’s anA-” Buy

  • $995 Price Drop
  • Fair Price - $345 Above Market
  • Includes $1,870 Premium Upgrades
More details
2018 Audi S4 Prestige AWD photo
8
Price Drop
2018 Audi S4 Prestige AWD Rockford, IL
Gray 3.0L V6 Engine
$28,995 69.2k miles
•••

#8 2015-2023 Audi S4

CoPilot AI: It’s aB+” Buy

  • $1,000 Price Drop
  • Good Price - $1,323 Below Market
  • Includes $6,942 Premium Upgrades
More details
2018 Audi S4 Premium Plus AWD photo
9
Price Drop
2018 Audi S4 Premium Plus AWD Mishawaka, IN
Gray 3.0L V6 Engine
$23,225 81.1k miles
•••

#9 2015-2023 Audi S4

CoPilot AI: It’s aB+” Buy

  • $4,000 Price Drop
  • Good Price - $1,224 Below Market
  • Includes $1,397 Premium Upgrades
More details
2018 Audi S4 Premium Plus AWD photo
10
2018 Audi S4 Premium Plus AWD Streamwood, IL
Black 3.0L V6 Engine
$23,695 86.2k miles
•••

#10 2015-2023 Audi S4

CoPilot AI: It’s aB” Buy

  • Fair Price - $684 Below Market
  • Includes $1,111 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2018 Audi S4 Premium Plus AWD photo
11
Price Drop
2018 Audi S4 Premium Plus AWD Lemont, IL
White 3.0L V6 Engine
$24,900 66.4k miles
•••

#11 2015-2023 Audi S4

CoPilot AI: It’s aB-” Buy

  • $400 Price Drop
  • Fair Price - $128 Below Market
  • Includes $275 Premium Upgrades
More details
2018 Audi S4 Premium Plus AWD photo
12
2018 Audi S4 Premium Plus AWD Streamwood, IL
Red 3.0L V6 Engine
$22,995 96.1k miles
•••

#12 2015-2023 Audi S4

CoPilot AI: It’s aC+” Buy

  • Includes $935 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
  • Average Mileage
More details
2019 Audi S4 Prestige AWD photo
13
2019 Audi S4 Prestige AWD Skokie, IL
Gray 3.0L V6 Engine
$25,300 103k miles
•••

#13 2015-2023 Audi S4

CoPilot AI: It’s aC” Buy

  • Includes $5,195 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
2015 Audi S4 Premium Plus AWD photo
14
Price Drop
2015 Audi S4 Premium Plus AWD Des Plaines, IL
White 3.0L V6 Engine
$21,999 114.4k miles
•••

#14 2015-2023 Audi S4

CoPilot AI: It’s aD” Buy

  • $1,501 Price Drop
  • Includes $956 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2020 Audi S4 Prestige AWD photo
16
2020 Audi S4 Prestige AWD Crystal Lake, IL
Gray 3.0L V6 Engine
$37,471 39.8k miles
•••
More details
2019 Audi S4 Premium Plus AWD photo
Price Drop
2019 Audi S4 Premium Plus AWD Worth, IL
White 3.0L V6 Engine
$27,898 65.7k miles
•••

Not Ranked

CoPilot AI: It’s aB+” Buy

  • $201 Price Drop
  • Great Price - $1,941 Below Market
  • Includes $5,090 Premium Upgrades
More details
2018 Audi S4 Premium Plus AWD photo
2018 Audi S4 Premium Plus AWD Villa Park, IL
Red 3.0L V6 Engine
$19,980 115.7k miles
•••

Not Ranked

CoPilot AI: It’s aB-” Buy

  • Includes $1,106 Premium Upgrades
More details
2018 Audi S4 Prestige AWD photo
2018 Audi S4 Prestige AWD Milwaukee, WI
3.0L V6 Engine
$22,995 115k miles
•••

Not Ranked

CoPilot AI: It’s aC-” Buy

  • Includes $4,028 Premium Upgrades
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.