2026 Kia K4
This page covers the 2026 Kia K4, a Sedan available in 8 trims from $22,290 to $28,890. Below you will find crash test ratings, fuel cost data, reliability scores, recall history, ownership costs, and manufacturer specifications, each sourced and linked to the original publisher.
5-star safety. B fuel cost. 4.0/5 reliability. That is the snapshot for the 2026 Kia K4 among budget Sedans. NHTSA has no recall campaigns on file for this vehicle.
What the published data indicates
Compared with similar sedans in our dataset, the clearest positive signals for the 2026 Kia K4 are high published crash-test results and an above-average RepairPal reliability rating, with lower estimated fuel cost. The main caution is that estimated five-year cost runs high.
- safety
- reliability
- fuel cost
Strongest published signals
- Safety: 5-star NHTSA + IIHS TSP+. Safest Sedans 2026 →
- Reliability: RepairPal 4.0/5 from RepairPal. Most reliable Sedans 2026 →
- Fuel: Below-average fuel cost among gas Sedans. Best-case annual fuel cost is $1,350. Cheapest Sedans to fuel 2026 →
Limits and cautions
- Best estimated five-year cost in the lineup still lands about $6,634 above the similar-vehicle average.
Comparable models
- Starting MSRP
- $22,290 - $28,890
- EPA Combined MPG
- 28-33 MPG
- NHTSA Safety Rating
- 5-Star (Highest)
- IIHS Award
- Top Safety Pick+
- Est. Annual Fuel Cost
- $1,350 - $1,550/yr
- Recalls on File
- No recalls on file
- EPA: vs Avg Vehicle
- Save $1,000 over 5 yrs
- Owner Complaints
- 2 on file
- Brand Origin
- South Korea
How Safe Is the 2026 Kia K4?
The 2026 Kia K4 is one of 99% of Sedans to earn NHTSA's top 5-star rating. It also received TSP+ from IIHS, which tests different crash configurations. Source: NHTSA.
Overall Safety
99% of Sedans share this top rating
| Category | Rating |
|---|---|
| Frontal Crash | |
| Side Crash | |
| Rollover |
Rollover Risk: 9.9%
While NHTSA uses a star rating system, IIHS rates individual crash types. The two together offer a fuller view of how this vehicle performs in different crash scenarios.
How Did the 2026 Kia K4 Perform in IIHS Crash Tests?
IIHS awarded the 2026 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
Test scores tell part of the safety story. The recall record adds another dimension: real-world defects identified after production.
Does the 2026 Kia K4 Have Any Recalls?
No recalls are on file with NHTSA for the 2026 Kia K4. Among Sedans, the average recall count is 1.2. Recalls may be issued at any time. Source: NHTSA.
No recalls on file with NHTSA
Owner-Reported Problems
NHTSA has 2 owner complaints on file for the 2026 Kia K4. The average for 2026 Sedans is 4 complaints. Owner complaints are self-reported and unverified, but patterns across many reports can indicate real issues.
2 in the last 90 days · most recent filed 2026-02-25
Most-reported problem areas
- ADAS / Safety Tech2
- Steering1
- Speed Control1
Source: NHTSA Vehicle Complaints Database. Data last refreshed 2026-03-07.
From safety to cost. How much fuel this vehicle uses directly affects what you pay month to month.
What Is the 2026 Kia K4 Fuel Economy?
The 2026 Kia K4 achieves up to 33 combined MPG according to EPA testing, with an estimated annual fuel cost of $1,350. That is $123 more per year than the $1,227 average for budget Sedans. EPA estimates are based on standardized laboratory tests. Source: EPA (fueleconomy.gov).
Ranges from 28 to 33 combined MPG depending on trim and drivetrain.
| Trim | Combined | City | Highway | Annual Fuel Cost |
|---|---|---|---|---|
| LX FWD GAS | 33 MPG | 29 | 39 | $1,350/yr |
| LXS FWD GAS | 33 MPG | 29 | 39 | $1,350/yr |
| EX Sedan CVT | 33 MPG | 29 | 39 | $1,350/yr |
| EX Hatchback CVT | 30 MPG | 28 | 34 | $1,450/yr |
| GT-Line Sedan CVT | 33 MPG | 29 | 39 | $1,350/yr |
| GT-Line Hatchback CVT | 30 MPG | 28 | 34 | $1,450/yr |
| GT-Line Turbo Sedan AT | 28 MPG | 26 | 33 | $1,550/yr |
| GT-Line Turbo Hatchback AT | 28 MPG | 26 | 33 | $1,550/yr |
Beyond fuel, the full ownership picture includes insurance, routine maintenance, depreciation, and financing. AAA publishes annual estimates for each vehicle class.
What Does the 2026 Kia K4 Cost to Own?
Estimated 5-year total ownership cost for the 2026 Kia K4 ranges from $70,240 to $83,020 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 |
Which trim offers the best balance of cost and equipment? The breakdown below compares all 8 options side by side.
How Do the 2026 Kia K4 Trims Compare?
8 trims are available for the 2026 Kia K4, spanning $22,290 to $28,890. All trims use a Gasoline powertrain. Compare specifications and estimated costs in the table below. Prices are MSRP before destination and fees.
| Trim | Base MSRP | Combined MPG | Est. Annual Fuel Cost | Horsepower | Curb Weight | Est. 5-Year Cost |
|---|---|---|---|---|---|---|
| LX FWD GAS | $22,290 | 33 MPG | $1,350/yr | 147 hp | 2,956 lbs | $78,820 |
| LXS FWD GAS | $23,390 | 33 MPG | $1,350/yr | 147 hp | 2,956 lbs | $79,920 |
| EX Sedan CVT | $24,490 | 33 MPG | $1,350/yr | 147 hp | 3,000 lbs | $81,020 |
| EX Hatchback CVT | $24,990 | 30 MPG | $1,450/yr | 147 hp | 3,080 lbs | $82,020 |
| GT-Line Sedan CVT | $25,490 | 33 MPG | $1,350/yr | 147 hp | 3,161 lbs | $82,020 |
| GT-Line Hatchback CVT | $25,990 | 30 MPG | $1,450/yr | 147 hp | 3,228 lbs | $83,020 |
| GT-Line Turbo Sedan AT | $28,390 | 28 MPG | $1,550/yr | 190 hp | 3,280 lbs | $70,240 |
| GT-Line Turbo Hatchback AT | $28,890 | 28 MPG | $1,550/yr | 190 hp | 3,338 lbs | $70,740 |
The Kia K4 lineup has expanded from 5 trims in 2025 to 8 trims in 2026. The entry price has increased $300 since 2025.
New trims since 2025
- LX FWD GAS (added 2026)
- LXS FWD GAS (added 2026)
- EX Sedan CVT (added 2026)
- EX Hatchback CVT (added 2026)
- GT-Line Sedan CVT (added 2026)
- GT-Line Hatchback CVT (added 2026)
- GT-Line Turbo Sedan AT (added 2026)
- GT-Line Turbo Hatchback AT (added 2026)
Trims no longer available
- LX (last available 2025)
- LXS (last available 2025)
- EX (last available 2025)
- GT-Line (last available 2025)
- GT-Line Turbo (last available 2025)
View full trim timeline (2025–2026)
| Trim | 2025 | 2026 |
|---|---|---|
| LX | $21,990 34 MPG | — |
| LXS | $22,990 33 MPG | — |
| EX | $23,990 33 MPG | — |
| GT-Line | $25,190 33 MPG | — |
| GT-Line Turbo | $28,090 29 MPG | — |
| LX FWD GAS | — | $22,290 33 MPG |
| LXS FWD GAS | — | $23,390 33 MPG |
| EX Sedan CVT | — | $24,490 33 MPG |
| EX Hatchback CVT | — | $24,990 30 MPG |
| GT-Line Sedan CVT | — | $25,490 33 MPG |
| GT-Line Hatchback CVT | — | $25,990 30 MPG |
| GT-Line Turbo Sedan AT | — | $28,390 28 MPG |
| GT-Line Turbo Hatchback AT | — | $28,890 28 MPG |
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
After narrowing down a trim, it helps to check the broader reliability picture. The section below summarizes the third-party reliability rating we have on file.
How Reliable Is the 2026 Kia K4?
The 2026 Kia K4 scores 4.0 out of 5.0 on RepairPal's reliability index, above the average for budget Sedans. RepairPal data reflects repair frequency and severity from shops nationwide. Source: RepairPal.
Warranty coverage sets the floor for what the manufacturer will repair at no cost. Here are Kia's published terms.
What Warranty Does the 2026 Kia K4 Come With?
Kia provides the following warranty coverage for the 2026 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 2026 Kia K4 Specs?
Detailed specifications for the 2026 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 | 174.4 - 185.4 in |
|---|---|
| Width | 72.8 in |
| Height | 55.9 - 56.3 in |
| Wheelbase | 107.1 in |
| Curb Weight | 2,956 - 3,338 lbs |
What Changed for the 2026 Kia K4?
- Number of available trims changed
- Pricing changed across one or more trims
- EPA fuel economy ratings changed
- Recall status changed
All data shown for the 2026 Kia K4 comes from EPA, NHTSA, IIHS, AAA, manufacturers, and selected third-party references. This page updates automatically when source agencies publish new information. See our methodology page for details on data collection and verification.
2026 Kia K4 FAQ
How does the 2026 Kia K4 compare to other sedans?
Based on published data, the 2026 Kia K4 has a safety grade of A, a fuel cost grade of B, a RepairPal reliability score of 4.0/5, and zero 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 2026 list.
Which 2026 Kia K4 trim has the lowest ownership cost?
Among 8 available trims, the GT-Line Turbo Sedan AT has the lowest estimated five-year ownership cost at $70,240, starting at $28,390 MSRP. The most expensive trim to own is about $83,020. See the full trim comparison table above for a side-by-side breakdown.
How much does 2026 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 2026 Kia K4. Your actual premium will depend on your driving history, location, and coverage choices. Source: AAA Your Driving Costs study.
How much does 2026 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 2026 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 $22,290, that represents about 78% 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 2026 Kia K4?
The most efficient 2026 Kia K4 trim costs an estimated $1,350 per year in fuel, or about $113 per month, based on EPA ratings and national average fuel prices. That is about $123 more than the average for similar sedans. See our Cheapest Sedans to fuel 2026 list.
What vehicles compete with the 2026 Kia K4?
Based on price range, body type, and segment positioning, the closest competitors to the 2026 Kia K4 include 2026 Hyundai Elantra, 2026 Volkswagen Jetta, and 2026 Honda Civic. Each of those pages includes the same safety, fuel cost, reliability, and recall data so you can compare directly. Browse all 2026 Sedans.
What changed on the 2026 Kia K4 from last year?
Compared to the previous model year, 8 new trims were added, 5 trims were dropped, and the entry price increased by $300 for the Kia K4 lineup. See the trim evolution timeline above for full year-by-year pricing and availability details.
How much does a 2026 Kia K4 cost per month to own?
Excluding your car payment, estimated monthly costs for the 2026 Kia K4 include about $830 for insurance, maintenance, depreciation, and fees, plus roughly $113 for fuel. That puts non-payment running costs around $943 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 2026 Kia K4 safe for families?
The 2026 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 2026 list.
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.