CoPilot AI-Assisted Car Shopping

 New Search
 Save
 Sort
 Share

Used 2018 Audi S4 for Sale in Boston, MA

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 Pelham, NH
Silver 3.0L V6 Engine
$21,499 101.5k miles
•••

#1 2016-2020 Audi S4

CoPilot AI: It’s anA+” Buy

  • $500 Price Drop
  • Great Price - $1,570 Below Market
  • Includes $1,202 Premium Upgrades
More details
2018 Audi S4 Premium Plus AWD photo
2
2018 Audi S4 Premium Plus AWD Wakefield, MA
White 3.0L V6 Engine
$25,990 76.6k miles
•••

#2 2016-2020 Audi S4

CoPilot AI: It’s anA+” Buy

  • Good Price - $850 Below Market
  • Includes $3,610 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2019 Audi S4 Premium Plus AWD photo
3
Price Drop
2019 Audi S4 Premium Plus AWD Smithfield, RI
Gray 3.0L V6 Engine
$22,750 113.3k miles
•••

#3 2016-2020 Audi S4

CoPilot AI: It’s anA” Buy

  • $500 Price Drop
  • Good Price - $864 Below Market
  • Includes $4,375 Premium Upgrades
More details
2018 Audi S4 Prestige AWD photo
4
Price Drop
2018 Audi S4 Prestige AWD Manchester, NH
Blue 3.0L V6 Engine
$31,995 42.3k miles
•••

#4 2016-2020 Audi S4

CoPilot AI: It’s anA” Buy

  • $905 Price Drop
  • Fair Price - $158 Below Market
  • Includes $4,050 Premium Upgrades
More details
2019 Audi S4 Premium Plus AWD photo
5
2019 Audi S4 Premium Plus AWD Gloucester, MA
Black 3.0L V6 Engine
$29,998 57.8k miles
•••

#5 2016-2020 Audi S4

CoPilot AI: It’s anA” Buy

  • Fair Price - $367 Above Market
  • Includes $5,189 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2019 Audi S4 Premium Plus AWD photo
6
2019 Audi S4 Premium Plus AWD Manchester, CT
Black 3.0L V6 Engine
$27,990 73.8k miles
•••

#6 2016-2020 Audi S4

CoPilot AI: It’s anA-” Buy

  • Fair Price - $2 Below Market
  • Includes $4,905 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2018 Audi S4 Prestige AWD photo
7
Price Drop
2018 Audi S4 Prestige AWD Spencer, MA
Black 3.0L V6 Engine
$24,495 96.3k miles
•••

#7 2016-2020 Audi S4

CoPilot AI: It’s aB” Buy

  • Fair Price - $53 Below Market
  • Includes $5,623 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2019 Audi S4 Premium Plus AWD photo
8
2019 Audi S4 Premium Plus AWD Manchester, NH
Gray 3.0L V6 Engine
$34,329 35.6k miles
•••

#8 2016-2020 Audi S4

CoPilot AI: It’s aC+” Buy

  • Includes $5,699 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
  • Very Low Mileage
More details
2020 Audi S4 Premium Plus AWD photo
9
Price Drop
2020 Audi S4 Premium Plus AWD Hooksett, NH
White 3.0L V6 Engine
$24,500 98.2k miles
•••

#9 2016-2020 Audi S4

CoPilot AI: It’s aC” Buy

  • $400 Price Drop
  • Includes $3,299 Premium Upgrades
  • CARFAX: One Owner, Clean Title
More details
2018 Audi S4 Premium Plus AWD photo
10
2018 Audi S4 Premium Plus AWD Swampscott, MA
Black 3.0L V6 Engine
$16,900 142.2k miles
•••

#10 2016-2020 Audi S4

CoPilot AI: It’s aC-” Buy

  • Includes $1,076 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2019 Audi S4 Premium Plus AWD photo
11
2019 Audi S4 Premium Plus AWD Derry, NH
Gray 3.0L V6 Engine
$27,499 37.1k miles
•••

#11 2016-2020 Audi S4

CoPilot AI: It’s aD+” Buy

  • Great Price - $3,131 Below Market
  • Includes $5,022 Premium Upgrades
  • CARFAX: Not a rental or commercial vehicle
More details
2018 Audi S4 Prestige AWD photo
12
2018 Audi S4 Prestige AWD Salem, CT
Gray 3.0L V6 Engine
$29,995 66k miles
•••

#12 2016-2020 Audi S4

CoPilot AI: It’s aD+” Buy

  • Includes $2,635 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
  • Motivation to Negotiate - Very High
More details
2019 Audi S4 Prestige AWD photo
2019 Audi S4 Prestige AWD Somerset, MA
Black 3.0L V6 Engine
$31,999 60.7k miles
•••

Not Ranked

CoPilot AI: It’s aB+” Buy

  • Good Price - $1,774 Below Market
  • Includes $7,168 Premium Upgrades
  • Very Low Mileage
More details
2019 Audi S4 Prestige AWD photo
Price Drop
2019 Audi S4 Prestige AWD Avon, MA
White 3.0L V6 Engine
$36,750 37.9k miles
•••

Not Ranked

CoPilot AI: It’s aB+” Buy

  • Fair Price - $1,020 Above Market
  • Includes $6,174 Premium Upgrades
  • Motivation to Negotiate - Increasing
More details

2018 Audi S4

Compact Luxury Sedan
Seats
5
Fuel Economy
21City MPG
30Hwy MPG
NHTSA Rating Summary
Dimensions

© 2025 CoPilot. All Rights Reserved.