2025 Kia K4
Now in its 2025 model year, the Kia K4 is a Sedan priced from $21,990 to $28,090 across 5 trims. This page compiles safety, fuel cost, reliability, and ownership data from six independent sources, all linked to the original publisher.
Among 28 budget Sedans, the 2025 Kia K4 earns a A for fuel cost. NHTSA rates it at 5 stars. RepairPal gives it 4.0 out of 5 for reliability. NHTSA has 2 recall campaigns on file, more than the 1.2 average for Sedans.
What the published data indicates
Compared with similar sedans in our dataset, the clearest positive signals for the 2025 Kia K4 are high published crash-test results and lower estimated fuel cost, with an above-average RepairPal reliability rating. The main caution is that the recall history is not a standout.
- safety
- fuel cost
- reliability
Strongest published signals
- Safety: 5-star NHTSA + IIHS TSP+. Safest Sedans 2025 →
- Fuel: Top 20% cheapest to fuel among gas Sedans. Best-case annual fuel cost is $1,300. Cheapest Sedans to fuel 2025 →
- Reliability: RepairPal 4.0/5 from RepairPal. Most reliable Sedans 2025 →
Limits and cautions
- There are 2 recalls on file, above the current sedans average. Zero-recall cars 2025 →
- NHTSA has 28 owner complaints on file, above the 15-complaint average for 2025 Sedans.
Comparable models
- Starting MSRP
- $21,990 - $28,090
- EPA Combined MPG
- 29-34 MPG
- NHTSA Safety Rating
- 5-Star (Highest)
- IIHS Award
- Top Safety Pick+
- Est. Annual Fuel Cost
- $1,300 - $1,500/yr
- Recalls on File
- 2 recalls on file
- EPA: vs Avg Vehicle
- Save $1,250 over 5 yrs
- Owner Complaints
- 28 on file
- Brand Origin
- South Korea
How Safe Is the 2025 Kia K4?
With both a 5-star NHTSA rating and an IIHS TSP+ designation, the 2025 Kia K4 has passed the two most rigorous crash test programs in the United States. Among Sedans, 99% earned the top NHTSA score. Source: NHTSA.
Overall Safety
99% of Sedans share this top rating
| Category | Rating |
|---|---|
| Frontal Crash | |
| Side Crash | |
| Rollover |
Rollover Risk: 9.9%
| Feature | Availability |
|---|---|
| Forward Collision Warning | Standard & Optional |
| Lane Departure Warning | Standard |
| Crash Imminent Braking | Standard & Optional |
| Dynamic Brake Support | Standard & Optional |
NHTSA evaluates frontal, side, and rollover performance. IIHS adds small overlap and roof strength tests. Both sets of results are shown here.
How Did the 2025 Kia K4 Perform in IIHS Crash Tests?
IIHS awarded the 2025 Kia K4 a TSP+ designation, which requires good or acceptable ratings in all crashworthiness categories plus effective front crash prevention. IIHS tests are independent of NHTSA and use different crash configurations. Source: IIHS.
| Test | Rating |
|---|---|
| Small Overlap Front | G Good |
| Moderate Overlap Front | G Good |
| Side | G Good |
| Headlights | A Acceptable |
| Front Crash Prevention (Vehicle) | A Acceptable |
| Front Crash Prevention (Pedestrian) | G Good |
| Seat Belt Reminders | A Acceptable |
| Child Seat Anchors (LATCH) | A Acceptable |
IIHS vehicle class: Small cars
Crash tests measure how a vehicle performs in a collision. Recall data reveals whether the manufacturer or NHTSA has found safety defects requiring correction.
Does the 2025 Kia K4 Have Any Recalls?
With 2 recall campaigns on file, the 2025 Kia K4 exceeds the 1.2 average for Sedans. Affected components include ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL, ENGINE AND ENGINE COOLING:CRITICAL FASTENERS. Note that more recalls can indicate more proactive defect identification. All recall repairs are free. Source: NHTSA.
2 recall campaigns on file with NHTSA.
Components: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL, ENGINE AND ENGINE COOLING:CRITICAL FASTENERS
Most recent: January 2026
Units affected: 341,476
Owner-Reported Problems
NHTSA has 28 owner complaints on file for the 2025 Kia K4. This is above the average of 15 complaints for 2025 Sedans. Owner complaints are self-reported and unverified, but patterns across many reports can indicate real issues.
13 in the last 90 days · 27 in the last 12 months · most recent filed 2026-03-02
Safety-relevant complaints: At least one complaint includes crash reported, injury reported. Review individual reports on NHTSA.gov for details.
Most-reported problem areas
- ADAS / Safety Tech11
- Electrical8
- Powertrain4
- Engine4
- Airbags3
Source: NHTSA Vehicle Complaints Database. Data last refreshed 2026-03-07.
Safety data covered, the next consideration is what this vehicle costs to run. Fuel economy is where most owners feel the difference between trims.
What Is the 2025 Kia K4 Fuel Economy?
EPA rates the most efficient 2025 Kia K4 trim at 34 combined MPG, with a projected annual fuel cost near $1,300. That is roughly in line with the $1,227 average for budget Sedans. Source: EPA.
Ranges from 29 to 34 combined MPG depending on trim and drivetrain.
| Trim | Combined | City | Highway | Annual Fuel Cost |
|---|---|---|---|---|
| LX | 34 MPG | 30 | 40 | $1,300/yr |
| LXS | 33 MPG | 29 | 39 | $1,350/yr |
| EX | 33 MPG | 29 | 39 | $1,350/yr |
| GT-Line | 33 MPG | 29 | 39 | $1,350/yr |
| GT-Line Turbo | 29 MPG | 26 | 36 | $1,500/yr |
Fuel costs are predictable from EPA data. The less visible costs, insurance, maintenance, and depreciation, are estimated by AAA for this vehicle class.
What Does the 2025 Kia K4 Cost to Own?
Estimated 5-year total ownership cost for the 2025 Kia K4 ranges from $63,840 to $78,270 depending on trim, based on AAA's Your Driving Costs study for the Medium Sedan class. This includes insurance, maintenance, depreciation, registration, and financing. These are class averages, not specific to this model. Source: AAA.
| Maintenance | $1,786/yr |
|---|---|
| Insurance | $1,572/yr |
| Depreciation | $3,462/yr |
| Registration & Taxes | $613/yr |
| Financing | $854/yr |
| Total (excluding fuel) | $9,956/yr |
| Cost per mile | $0.66/mi |
With 5 trims available, the cost and equipment differences are worth examining. The comparison below shows how price, fuel economy, and features vary.
How Do the 2025 Kia K4 Trims Compare?
With 5 trims priced from $21,990 to $28,090, the 2025 Kia K4 offers a range of equipment levels. All trims use a Gasoline powertrain. MSRP figures below do not include destination, taxes, or dealer fees.
| Trim | Base MSRP | Combined MPG | Est. Annual Fuel Cost | Horsepower | Curb Weight | Est. 5-Year Cost |
|---|---|---|---|---|---|---|
| LX | $21,990 | 34 MPG | $1,300/yr | 147 hp | 2,956 lbs | $78,270 |
| LXS | $22,990 | 33 MPG | $1,350/yr | 147 hp | 2,956 lbs | $63,840 |
| EX | $23,990 | 33 MPG | $1,350/yr | 147 hp | 2,987 lbs | $64,840 |
| GT-Line | $25,190 | 33 MPG | $1,350/yr | 147 hp | 3,161 lbs | $66,040 |
| GT-Line Turbo | $28,090 | 29 MPG | $1,500/yr | 190 hp | 3,283 lbs | $69,690 |
Compare Trim Costs
Select two trims and adjust your driving and financing to see how monthly costs compare. Only costs we can compute from EPA data and your inputs are shown. No estimates, no guesses.
Your driving & financing
Beyond the purchase decision, the next question is long-term dependability. Here is the reliability rating currently available for this vehicle.
How Reliable Is the 2025 Kia K4?
With a 4.0/5.0 reliability score from RepairPal, the 2025 Kia K4 rates above average for budget Sedans. Fewer shop visits and lower repair costs are expected compared to peers. Source: RepairPal.
Kia backs this vehicle with the following warranty terms. Coverage begins from the original purchase date.
What Warranty Does the 2025 Kia K4 Come With?
Kia provides the following warranty coverage for the 2025 K4. Warranty terms are published by the manufacturer and apply to all trims. Coverage begins from the date of original purchase. Warranty terms shown here reflect the most recently published manufacturer data.
| Basic Warranty | 5yr/60k |
|---|---|
| Powertrain Warranty | 10yr/100k |
| Corrosion Warranty | 5yr/100k |
| Roadside Assistance | 5yr/60k |
What Are the 2025 Kia K4 Specs?
Detailed specifications for the 2025 Kia K4 as reported by the manufacturer. Specifications may vary by trim, market, and production date. Source: manufacturer-reported data.
| Engine | 2L I4, 1.6L I4 |
|---|---|
| Horsepower | 147 - 190 hp |
| Torque | 132 - 195 lb-ft |
| Transmission | continuously variable-speed automatic, 8-speed shiftable automatic |
| Drive Type | Front-Wheel Drive |
| Fuel Type | regular unleaded |
| Fuel Tank | 12.4 gal |
| Length | 185.4 in |
|---|---|
| Width | 72.8 in |
| Height | 55.9 in |
| Wheelbase | 107.1 in |
| Curb Weight | 2,956 - 3,283 lbs |
This page reflects published data from EPA, NHTSA, IIHS, AAA, manufacturers, and selected third-party references for the 2025 Kia K4. The trim evolution section above shows how pricing and lineup composition have changed since 2025. All data updates automatically when source agencies publish new information.
2025 Kia K4 FAQ
How does the 2025 Kia K4 compare to other sedans?
Based on published data, the 2025 Kia K4 has a safety grade of A, a fuel cost grade of A, a RepairPal reliability score of 4.0/5, and only 2 recalls on file. These grades compare it against similar sedans in its price range. No single metric tells the whole story, so we recommend reviewing each section on this page. See our Safest Sedans 2025 list.
Which 2025 Kia K4 trim has the lowest ownership cost?
Among 5 available trims, the LXS has the lowest estimated five-year ownership cost at $63,840, starting at $22,990 MSRP. The most expensive trim to own is about $78,270. See the full trim comparison table above for a side-by-side breakdown.
How much does 2025 Kia K4 insurance cost?
AAA estimates the annual insurance cost for the Medium Sedan class at $1,572 per year, or about $131 per month. This is a class-level average, not specific to the 2025 Kia K4. Your actual premium will depend on your driving history, location, and coverage choices. Source: AAA Your Driving Costs study.
How much does 2025 Kia K4 maintenance cost per year?
AAA estimates average annual maintenance for the Medium Sedan class at $1,786 per year. This covers routine services, wear items, and unscheduled repairs. Combined with insurance ($1,572/yr) and depreciation ($3,462/yr), total non-fuel ownership costs run about $9,956 per year. These are class averages from the AAA Your Driving Costs study.
How fast does a 2025 Kia K4 depreciate?
AAA estimates the Medium Sedan class depreciates about $3,462 per year, or roughly $17,310 over five years. On a base MSRP of $21,990, that represents about 79% of the purchase price. These are class averages and actual depreciation varies by trim, condition, mileage, and market demand. Source: AAA.
How much will I spend on gas with a 2025 Kia K4?
The most efficient 2025 Kia K4 trim costs an estimated $1,300 per year in fuel, or about $108 per month, based on EPA ratings and national average fuel prices. See our Cheapest Sedans to fuel 2025 list.
What vehicles compete with the 2025 Kia K4?
Based on price range, body type, and segment positioning, the closest competitors to the 2025 Kia K4 include 2025 Hyundai Elantra, 2025 Toyota Corolla, and 2025 Nissan Sentra. Each of those pages includes the same safety, fuel cost, reliability, and recall data so you can compare directly. Browse all 2025 Sedans.
How much does a 2025 Kia K4 cost per month to own?
Excluding your car payment, estimated monthly costs for the 2025 Kia K4 include about $830 for insurance, maintenance, depreciation, and fees, plus roughly $108 for fuel. That puts non-payment running costs around $938 per month. These are estimates based on AAA class averages and EPA fuel data. Actual costs depend on your driving, location, and coverage.
Is the 2025 Kia K4 safe for families?
The 2025 Kia K4 earned NHTSA's highest 5-star overall safety rating, which evaluates frontal crash, side crash, and rollover resistance. It also earned IIHS TSP+ recognition, which tests different crash scenarios. A 5-star rating does not guarantee safety in every situation but indicates strong performance in standardized crash tests. See our Safest Sedans 2025 list.
Are there any reported problems with the 2025 Kia K4?
NHTSA has 28 owner complaints on file for the 2025 Kia K4. The most-reported problem area is ADAS / Safety Tech. At least one complaint involves a crash. Owner complaints are self-reported to NHTSA and are not verified, but patterns across many reports can reveal real issues. See our Most Owner Complaints: Sedans for 2025 list. Source: NHTSA Vehicle Complaints Database.
Compare to Similar Vehicles
Other Model Years
Data on this page is compiled from government agencies and independent research organizations. It is provided for informational purposes only and does not constitute financial, purchasing, or safety advice. Verify all data with the original source before making decisions.