CoPilot AI-Assisted Car Shopping

 New Search
 Save
 Sort
 Share

Used 2018 BMW 3 Series for Sale in Saint Louis, MO

3 Series for Sale at Dealers

Filters
Price
Year
Mileage
Trim
2017 BMW 3 Series 330i RWD photo
1
Price Drop
2017 BMW 3 Series 330i RWD Chesterfield, MO
Brown 2.0L I4 Engine
$16,845 44.6k miles
•••

#1 2016-2020 BMW 3 Series

CoPilot AI: It’s anA+” Buy

  • $402 Price Drop
  • Great Price - $3,329 Below Market
  • Includes $2,567 Premium Upgrades
More details
2020 BMW 3 Series M340i xDrive AWD photo
2
Price Drop
2020 BMW 3 Series M340i xDrive AWD Creve Coeur, MO
Gray 3.0L I6 Engine
$37,678 60.2k miles
•••

#2 2016-2020 BMW 3 Series

CoPilot AI: It’s anA” Buy

  • $500 Price Drop
  • Good Price - $2,377 Below Market
  • Includes $2,917 Premium Upgrades
More details
2017 BMW 3 Series 330i xDrive AWD photo
3
Price Drop
2017 BMW 3 Series 330i xDrive AWD Springfield, IL
White 2.0L I4 Engine
$16,540 86.1k miles
•••

#3 2016-2020 BMW 3 Series

CoPilot AI: It’s anA” Buy

  • $1,450 Price Drop
  • Fair Price - $213 Below Market
  • Includes $3,471 Premium Upgrades
More details
2018 BMW 3 Series 340i xDrive AWD photo
4
Price Drop
2018 BMW 3 Series 340i xDrive AWD O'Fallon, MO
White 3.0L I6 Engine
$25,920 76.2k miles
•••

#4 2016-2020 BMW 3 Series

CoPilot AI: It’s aB+” Buy

  • $160 Price Drop
  • Great Price - $2,614 Below Market
  • Includes $5,228 Premium Upgrades
More details
2020 BMW 3 Series M340i xDrive AWD photo
5
2020 BMW 3 Series M340i xDrive AWD Springfield, IL
Blue 3.0L I6 Engine
$41,900 47.2k miles
•••

#5 2016-2020 BMW 3 Series

CoPilot AI: It’s aC+” Buy

  • Includes $3,059 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
  • Very Low Mileage
More details
2018 BMW 3 Series 330i RWD photo
6
Price Drop
2018 BMW 3 Series 330i RWD O'Fallon, IL
Gray 2.0L I4 Engine
$18,546 63.1k miles
•••

#6 2016-2020 BMW 3 Series

CoPilot AI: It’s aD+” Buy

  • Includes $1,289 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
  • Motivation to Negotiate - Very High
More details
2019 BMW 3 Series 330i RWD photo
7
Price Drop
2019 BMW 3 Series 330i RWD Springfield, IL
Black 2.0L I4 Engine
$21,975 64.9k miles
•••

#7 2016-2020 BMW 3 Series

CoPilot AI: It’s aD+” Buy

  • $500 Price Drop
  • Includes $256 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2018 BMW 3 Series 330i RWD photo
8
Price Drop
2018 BMW 3 Series 330i RWD O'Fallon, IL
2.0L I4 Engine
$16,226 92.1k miles
•••

#8 2016-2020 BMW 3 Series

CoPilot AI: It’s aF” Buy

  • CARFAX: Clean Title, Not a rental or commercial vehicle
  • Average Mileage
More details
2016 BMW 3 Series 328i RWD photo
9
2016 BMW 3 Series 328i RWD St. Louis, MO
White 2.0L I4 Engine
$11,927 123.1k miles
•••

#9 2016-2020 BMW 3 Series

CoPilot AI: It’s aF” Buy

  • CARFAX: Clean Title
  • Average Mileage
  • Dealer Rating - 4.3 stars
More details
2020 BMW 3 Series 330i xDrive AWD photo
Price Drop
2020 BMW 3 Series 330i xDrive AWD Chatham, IL
White 2.0L I4 Engine
$20,975 90.4k miles
•••

Not Ranked

CoPilot AI: It’s aB+” Buy

  • $1,000 Price Drop
  • Great Price - $1,881 Below Market
  • Includes $4,924 Premium Upgrades
More details
2017 BMW 3 Series 330e iPerformance RWD photo
2017 BMW 3 Series 330e iPerformance RWD O'Fallon, IL
White 2.0L I4 Engine
$19,998 65.1k miles
•••

Not Ranked

CoPilot AI: It’s aC” Buy

  • Includes $2,428 Premium Upgrades
  • Motivation to Negotiate - Very High
  • Very Low Mileage
More details
2018 BMW 3 Series 330i RWD photo
2018 BMW 3 Series 330i RWD Collinsville, IL
Gray 2.0L I4 Engine
$14,900 150.1k miles
•••

Not Ranked

CoPilot AI: It’s aD” Buy

  • Includes $151 Premium Upgrades
  • Motivation to Negotiate - High
More details

2018 BMW 3 Series

Compact Luxury Sedan
Seats
5
Fuel Economy
23City MPG
34Hwy MPG
NHTSA Rating Summary
Copilot Rating
Dimensions

© 2025 CoPilot. All Rights Reserved.