Used Kia K4 for Sale Under $40,000 NearCastle Rock, CO
212 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2025
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- Interstellar Gray
- Combined gas mileage:
- 35 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 37,323
- Stock #:
- SE086959
- VIN:
- 3KPFT4DE1SE086959
Price drop
-$601
Sponsored by AutoNation USA Denver 104
2025 Kia K4
LXS FWD
37,323 mi
Northglenn, CO
36 mi away
Good Deal
$18,999
$18,398
- Year:
- 2025
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- Aurora Black Pearl
- Combined gas mileage:
- 35 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Mileage:
- 28,097
- Stock #:
- RM17673
- VIN:
- 3KPFT4DE5SE072286
Sponsored Listing
2025 Kia K4
LXS FWD
28,097 mi
Colorado Springs, CO
31 mi away
Fair Deal
$21,997
- Year:
- 2025
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- Steel Gray
- Combined gas mileage:
- 35 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Continuously Variable Transmission
- Mileage:
- 19,106
- Stock #:
- 11579VG
- VIN:
- 3KPFU4DE3SE191208
New arrival
Sponsored Listing
2025 Kia K4
EX FWD
19,106 mi
Thornton, CO
36 mi away
Fair Deal
$23,297
- Year:
- 2025
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 35 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Continuously Variable Transmission
- Mileage:
- 20,606
- Stock #:
- 1230059268
- VIN:
- 3KPFT4DE3SE146823
Price drop
-$700
2025 Kia K4
LXS FWD
20,606 mi
Colorado Springs, CO
38 mi away
Great Deal
$20,995
$20,295
- Year:
- 2026
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 34 MPG
- Fuel type:
- Gasoline
- Transmission:
- Continuously Variable Transmission
- Mileage:
- 16,848
- Stock #:
- 61004
- VIN:
- 3KPFT4DE1TE297760
New arrival
2026 Kia K4
LXS FWD
16,848 mi
Englewood, CO
18 mi away
Good Deal
$20,399
- Year:
- 2025
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- Interstellar Gray
- Combined gas mileage:
- 35 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 37,323
- Stock #:
- SE086959
- VIN:
- 3KPFT4DE1SE086959
Price drop
-$601
2025 Kia K4
LXS FWD
37,323 mi
Northglenn, CO
36 mi away
Good Deal
$18,999
$18,398
- Year:
- 2026
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- Blue
- Combined gas mileage:
- 34 MPG
- Fuel type:
- Gasoline
- Transmission:
- Continuously Variable Transmission
- Mileage:
- 15,355
- Stock #:
- 60883
- VIN:
- 3KPFT4DE9TE268135
2026 Kia K4
LXS FWD
15,355 mi
Englewood, CO
18 mi away
Good Deal
$20,198
- Year:
- 2026
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- Blue
- Combined gas mileage:
- 34 MPG
- Fuel type:
- Gasoline
- Transmission:
- Continuously Variable Transmission
- Mileage:
- 16,418
- Stock #:
- 60882
- VIN:
- 3KPFT4DE6TE260669
2026 Kia K4
LXS FWD
16,418 mi
Englewood, CO
18 mi away
Good Deal
$19,990
- Year:
- 2025
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- Steel Gray
- Combined gas mileage:
- 35 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Continuously Variable Transmission
- Mileage:
- 19,106
- Stock #:
- 11579VG
- VIN:
- 3KPFU4DE3SE191208
New arrival
2025 Kia K4
EX FWD
19,106 mi
Thornton, CO
36 mi away
Fair Deal
$23,297
- Year:
- 2025
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 35 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Continuously Variable Transmission
- Mileage:
- 15,681
- Stock #:
- 1230059424
- VIN:
- 3KPFT4DE0SE037297
2025 Kia K4
LXS FWD
15,681 mi
Colorado Springs, CO
38 mi away
Good Deal
$22,295
- Year:
- 2025
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 35 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Continuously Variable Transmission
- Mileage:
- 13,057
- Stock #:
- 1660048320
- VIN:
- 3KPFU4DE9SE229170
2025 Kia K4
EX FWD
13,057 mi
Lakewood, CO
28 mi away
Good Deal
$22,395
- Year:
- 2025
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- Red
- Combined gas mileage:
- 35 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Continuously Variable Transmission
- Mileage:
- 8,028
- Stock #:
- 179214
- VIN:
- 3KPFT4DE0SE179214
New arrival
2025 Kia K4
LXS FWD
8,028 mi
Home delivery from Houston, TX
Price includes $870 shipping
Good Deal
$21,014
- Year:
- 2025
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 35 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 47,641
- Stock #:
- RSE068668
- VIN:
- 3KPFT4DEXSE068668
New arrival
2025 Kia K4
LXS FWD
47,641 mi
Colorado Springs, CO
29 mi away
Good Deal
$18,297
- Year:
- 2025
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- Snow White Pearl
- Combined gas mileage:
- 35 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 34,954
- Stock #:
- SE085316
- VIN:
- 3KPFT4DE9SE085316
Price drop
-$428
2025 Kia K4
LXS FWD
34,954 mi
Littleton, CO
18 mi away
Good Deal
$18,960
$18,532
- Year:
- 2025
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 35 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Continuously Variable Transmission
- Mileage:
- 19,886
- Stock #:
- 1230059431
- VIN:
- 3KPFU4DE3SE234509
2025 Kia K4
EX FWD
19,886 mi
Colorado Springs, CO
38 mi away
Fair Deal
$23,795
- Year:
- 2025
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 35 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Continuously Variable Transmission
- Mileage:
- 21,954
- Stock #:
- 1230059365
- VIN:
- 3KPFU4DE8SE123146
Price drop
-$500
2025 Kia K4
EX FWD
21,954 mi
Colorado Springs, CO
38 mi away
Fair Deal
$23,695
$23,195
- Year:
- 2025
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 35 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Continuously Variable Transmission
- Mileage:
- 26,767
- Stock #:
- 1230059253
- VIN:
- 3KPFT4DE9SE245954
2025 Kia K4
LX FWD
26,767 mi
Colorado Springs, CO
38 mi away
Fair Deal
$22,095
- Year:
- 2025
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 35 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 23,582
- Stock #:
- 29179828
- VIN:
- 3KPFT4DE0SE116016
2025 Kia K4
LXS FWD
23,582 mi
Store transfer to Parker, CO
Price includes $399 shipping
Fair Deal
$22,397
- Year:
- 2026
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- Red
- Combined gas mileage:
- 34 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 4,607
- Stock #:
- 29198830
- VIN:
- 3KPFT4DE8TE282740
2026 Kia K4
LXS FWD
4,607 mi
Store transfer to Parker, CO
Price includes $499 shipping
Fair Deal
$24,497
- Year:
- 2025
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 35 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Continuously Variable Transmission
- Mileage:
- 30,439
- Stock #:
- 1230059433
- VIN:
- 3KPFU4DE8SE019532
2025 Kia K4
EX FWD
30,439 mi
Colorado Springs, CO
38 mi away
Fair Deal
$22,895
- Year:
- 2025
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- Aurora Black Pearl
- Combined gas mileage:
- 35 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Mileage:
- 28,097
- Stock #:
- RM17673
- VIN:
- 3KPFT4DE5SE072286
2025 Kia K4
LXS FWD
28,097 mi
Colorado Springs, CO
31 mi away
Fair Deal
$21,997
- Year:
- 2025
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- Black
- Combined gas mileage:
- 35 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 44,317
- Stock #:
- RSE080624
- VIN:
- 3KPFT4DE6SE080624
2025 Kia K4
LXS FWD
44,317 mi
Englewood, CO
17 mi away
Fair Deal
$18,297
- Year:
- 2025
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- Interstellar Gray
- Combined gas mileage:
- 35 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Continuously Variable Transmission
- Mileage:
- 21,906
- Stock #:
- 150292A
- VIN:
- 3KPFT4DE7SE150292
Price drop
-$400
2025 Kia K4
LXS FWD
21,906 mi
Home delivery from Sykesville, MD
Price includes $1,300 shipping
Good Deal
$21,694
$21,294
- Year:
- 2025
- Make:
- Kia
- Model:
- K4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 147 hp 2L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 35 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 45,664
- Stock #:
- RSE084472
- VIN:
- 3KPFT4DE7SE084472
New arrival
Sponsored Listing
2025 Kia K4
LXS FWD
45,664 mi
Denver, CO
36 mi away
Good Deal
$18,497
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