(opens in new window)

Sign In

Home
Used Cars
New Cars
Private Seller Cars
Sell My Car
Instant Cash Offer
- Helpful Links
- Find Local Dealers
- Best Car Deals
- Best Truck Deals
- Best SUV Deals
- Buy Cars Online
- Car Research & News
- Research & Information
- New & Future Models
- Trim Comparisons
- Car Buying Tools
- Buying & Selling Tips
- Car Payment Calculator
- Affordability Calculator
- Car Lease Calculator
See if you can save on car insurance on KBB.com
Get a Kelley Blue Book® Instant Cash Offer
Run a free AutoCheck Vehicle History Report with Experian
AI ModeBeta

Home
Used Cars
New Cars
Private Seller Cars
Sell My Car
Instant Cash Offer
AI ModeBeta

Skip to vehicle Listings

Online car buying built around you. Shop Now

Used Cars for SaleKiaK4

Used Kia K4 for Sale in O Fallon, IL

62269

Filters (3)

Items 1 to 2 of 7.

Location & Delivery

Year

Price & Payments

Min Price

Max Price

Price Rating

Good Price (4)

Great Price (44)

Min Price

Max Price

Price Rating

Good Price (4)

Great Price (44)

Make, Model & Trim

Kia

Models

K4

Amanti

Borrego

Cadenza (1)

Carnival (33)

EV6

EV9

Forte (53)

Forte Koup

K4 (58)

K5 (66)

K900 (2)

Niro (12)

Optima (27)

Other Kia Models

Rio (9)

Rio5

Rondo

Sedona (6)

Seltos (38)

Sephia

Sorento (94)

Soul (47)

Spectra

Spectra5

Sportage (85)

Stinger (7)

Telluride (93)

K4 Trims

Any

EX (12)

GT-Line (5)

GT-Line Turbo (2)

LX (5)

LXS (34)

Kia

Models

K4

Amanti

Borrego

Cadenza (1)

Carnival (33)

EV6

EV9

Forte (53)

Forte Koup

K4 (58)

K5 (66)

K900 (2)

Niro (12)

Optima (27)

Other Kia Models

Rio (9)

Rio5

Rondo

Sedona (6)

Seltos (38)

Sephia

Sorento (94)

Soul (47)

Spectra

Spectra5

Sportage (85)

Stinger (7)

Telluride (93)

K4 Trims

Any

EX (12)

GT-Line (5)

GT-Line Turbo (2)

LX (5)

LXS (34)

Mileage

Condition (1 selected)

New (197)

Used (58)

Manufacturer Certified (0)

Third-Party Certified (2)

Certified Program

Learn more

Learn more

New (197)

Used (58)

Manufacturer Certified (0)

Third-Party Certified (2)

Certified Program

Learn more

Learn more

Color

Drive Type

Body Style

Vehicle History

Features

Fuel Type

Fuel Economy

Transmission

Cylinders

Engine Displacement

Number of Seats

Number of Doors

Purchase Options

Seller Type

It looks like this Kia K4 has already found a new home.

Check out other great options we've picked for you.

Sponsored by Federico KIA

Hide

High Demand

New 2026 Kia K4 GT-Line Turbo

New 2026 Kia K4 GT-Line Turbo

29,184

MSRP$30,720

See estimated payment

Similar Match

Federico KIA

53View Vehicles

58 Matches

Sort By:

Sponsored

Used 2025 Kia K4 GT-Line w/ GT-Line Premium Package

Used

2025 Kia K4

GT-Line
20K mi

24,930

See payment

Great Price

Sponsored by Steve Schmitt, Inc.

16.47 mi. away

Online Paperwork

Sponsored

Used 2025 Kia K4 LXS

Used

2025 Kia K4

LXS
13K mi

21,413

See payment

Great Price

Sponsored by Staunton Chrysler Dodge Jeep RAM

29.98 mi. away

Sponsored

Used 2025 Kia K4 GT-Line w/ GT-Line Premium Package

Used

2025 Kia K4

GT-Line
14K mi

24,800

See payment

Great Price

Sponsored by Clement Supercenter

37.08 mi. away

My Wallet

Find it Fast.

Keep it Affordable.

Monthly Payment

Down Payment

Get My Kelley Blue Book® Car Value

$

Based on 4.5% APR for mos.Update Settings

Used 2025 Kia K4 GT-Line Turbo

Used

2025 Kia K4

GT-Line Turbo
14K mi

27,377

See payment

Great Price

Serra Honda O'Fallon

1.57 mi. away

High Demand

Used 2025 Kia K4 EX

Used

2025 Kia K4

EX
5K mi

21,667

See payment

Great Price

Lou Fusz Kia

27.07 mi. away

Online Paperwork

360°

Used 2025 Kia K4 LX

Used

2025 Kia K4

LX
4K mi

22,242

See payment

Great Price

Suntrup KIA South

23.86 mi. away

Advertisement

Price Drop

Used 2025 Kia K4 EX

Used

2025 Kia K4

EX
8K mi

23,800

See payment

Great Price

Clement Chrysler Dodge Jeep Ram Florissant

25.77 mi. away

Newly Listed

Used 2025 Kia K4 GT-Line w/ GT-Line Premium Package

Used

2025 Kia K4

GT-Line
6K mi

24,200

See payment

Great Price

Napleton's Mid Rivers KIA

39.02 mi. away

360°

Used 2025 Kia K4 LX

Used

2025 Kia K4

LX
1K mi

23,411

See payment

Good Price

Suntrup KIA South

23.86 mi. away

Newly Listed360°

Used 2026 Kia K4 EX

Used

2026 Kia K4

EX
10 mi

25,380

See payment

Suntrup KIA South

23.86 mi. away

Used 2025 Kia K4 EX

Used

2025 Kia K4

EX
7K mi

23,800

See payment

Great Price

Clement Pre-Owned (Florissant)

25.85 mi. away

Advertisement

Used 2025 Kia K4 GT-Line w/ GT-Line Premium Package

Used

2025 Kia K4

GT-Line
20K mi

24,930

See payment

Great Price

Steve Schmitt, Inc.

16.47 mi. away

Online Paperwork

360°

Used 2025 Kia K4 LXS

Used

2025 Kia K4

LXS
14K mi

22,472

See payment

Good Price

Suntrup KIA South

23.86 mi. away

Price Drop

Used 2025 Kia K4 LXS

Used

2025 Kia K4

LXS
24K mi

20,427

See payment

Great Price

Hertz Car Sales St. Louis

Buy Online

Used 2025 Kia K4 LXS

Used

2025 Kia K4

LXS
3K mi

23,247

See payment

Good Price

Suntrup KIA South

23.86 mi. away

Advertisement

Used 2025 Kia K4 LXS

Used

2025 Kia K4

LXS
8K mi

21,710

See payment

Great Price

AutoCenters Nissan

35.6 mi. away

360°

Used 2025 Kia K4 LX

Used

2025 Kia K4

LX
6K mi

24,995

See payment

Suntrup KIA South

23.86 mi. away

Used 2025 Kia K4 LXS

Used

2025 Kia K4

LXS
13K mi

21,413

See payment

Great Price

Staunton Chrysler Dodge Jeep RAM

29.98 mi. away

Used 2025 Kia K4 LXS

Used

2025 Kia K4

LXS
25K mi

20,271

See payment

Great Price

Hertz Car Sales St. Louis

Buy Online

Used 2025 Kia K4 LXS

Used

2025 Kia K4

LXS
25K mi

20,368

See payment

Great Price

Hertz Car Sales St. Louis

Buy Online

Used 2025 Kia K4 LXS

Used

2025 Kia K4

LXS
23K mi

20,476

See payment

Great Price

Hertz Car Sales St. Louis

Buy Online

Used 2025 Kia K4 LXS

Used

2025 Kia K4

LXS
23K mi

20,564

See payment

Great Price

Hertz Car Sales St. Louis

Buy Online

Used 2025 Kia K4 LXS

Used

2025 Kia K4

LXS
21K mi

20,607

See payment

Great Price

Hertz Car Sales St. Louis

Buy Online

High Demand

Used 2025 Kia K4 LXS

Used

2025 Kia K4

LXS
21K mi

20,667

See payment

Great Price

Hertz Car Sales St. Louis

Buy Online

Used 2025 Kia K4 LXS

Used

2025 Kia K4

LXS
22K mi

20,687

See payment

Great Price

Hertz Car Sales St. Louis

Buy Online

Used 2025 Kia K4 EX

Used

2025 Kia K4

EX
14K mi

23,414

See payment

Great Price

AutoCenters Nissan

35.6 mi. away

Used 2025 Kia K4 GT-Line w/ GT-Line Premium Package

Used

2025 Kia K4

GT-Line
14K mi

24,800

See payment

Great Price

Clement Supercenter

37.08 mi. away

Used 2025 Kia K4 GT-Line Turbo

Used

2025 Kia K4

GT-Line Turbo
10K mi

27,200

See payment

Great Price

Clement Supercenter

37.08 mi. away

Advertisement

Kia K4 for Sale by Year

2025 Kia K4 For Sale
57 for sale starting at $17,487

Used Kia K4 for Sale by Trim

Used Kia K4 LXS For Sale
34 for sale starting at $17,487
Used Kia K4 EX For Sale
12 for sale starting at $21,667
Used Kia K4 GT-Line For Sale
5 for sale starting at $24,200
Used Kia K4 LX For Sale
5 for sale starting at $21,000

View All Trims

Shop for a Car

Used Cars For Sale
Certified Cars
Car Deals

Car Research

Trade-In Values and Car Pricing
Car Subscription Services

About Us

Company Information
Corporate Information
Jobs at Autotrader
Become an Autotrader Dealer
Press Room
Site Map
Contact Us
About Autotrader
Do Not Sell or Share My Personal Information
Limit the Use of My Sensitive Personal Information
Fraud Awareness
Manage Cookies

Autotrader Affiliates

Classic Cars & Trucks for Sale
Motorcycles for Sale
RVs for Sale
Cars for Bad Credit Buyers
Find Cars for Sale in Australia

Download on the Apple App Store

Get it on Google Play

Follow

By using this service, you accept the terms of our Visitor Agreement. Privacy Statement. Accessibility Statement.

©2026 Autotrader, Inc. All Rights Reserved. "Autotrader" is a registered trademark of TPI Holdings, Inc. used under exclusive license.