2026 Kia K4 HatchbackFuel Economy & MPG Ratings
Trim Comparison
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic (AV-S1) | Regular | 28 | 34 | 30 | $2,250 |
| Automatic (S8) | Regular | 26 | 33 | 28 | $2,400 |
Based on gasoline at $3.67/gal, 15,000 miles/year
vs. average new vehicle
Environment
- CO₂ Tailpipe Emissions
- 289 g/mile
- Annual Petroleum Consumption
- 9.9 barrels
Specifications
- Engine
- 2L 4-cyl
- Transmission
- Automatic
- Drivetrain
- FWD
- Body Style
- Sedan
Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.
Engine & Efficiency Details
Source: EPA fueleconomy.gov
- Engine Size
- 2L, 4-cylinder
- Fuel Type
- Regular Gasoline
Annual Fuel Cost by State
Prices as of week ending May 18, 2026 · Source: EIA
| State | Gas Price | Annual Cost | vs. National Avg |
|---|---|---|---|
| National AvgEPA default | $4.490/gal | $2,245/yr | — |
| California | $5.957/gal | $2,979/yrHIGHEST | +$734 |
| Texas | $3.888/gal | $1,944/yrLOWEST | $-301 |
| Florida | $4.136/gal | $2,068/yr | $-177 |
| New York | $4.522/gal | $2,261/yr | +$16 |
| Ohio | $4.510/gal | $2,255/yr | +$10 |
| Washington | $5.591/gal | $2,796/yr | +$551 |
| Colorado | $4.618/gal | $2,309/yr | +$64 |
| Minnesota | $4.344/gal | $2,172/yr | $-73 |
| Massachusetts | $4.448/gal | $2,224/yr | $-21 |
Calculated at 15,000 miles/year (EPA standard assumption) using 30 MPG combined. Regular gasoline prices. Actual costs vary.
NHTSA Safety Ratings
Source: NHTSA (nhtsa.gov)Crash Test Scores
| Front Crash — Overall | |
| Front Crash — Driver Side | |
| Front Crash — Passenger Side | |
| Side Crash — Overall | |
| Side Crash — Driver Side | |
| Side Crash — Passenger Side | |
| Side Pole Crash | |
| Rollover | |
| Rollover Probability | 9.9% |
Safety Equipment
Recall History1
Source: NHTSAOwner-Reported Problems5 complaints
Source: NHTSANHTSA has received 5 owner complaints for the 2026 Kia K4 Hatchback. Top reported issues include advanced safety (adas), steering and wheels & tires. The data below is sourced from consumer complaints filed directly with NHTSA.
Problems by System / Component
2026 Kia K4 Hatchback problems by category: Advanced Safety (ADAS): 4 complaints, Steering: 2 complaints, Wheels & Tires: 1 complaints, Speed Control: 1 complaints.
Sample Owner Complaints
Complaint data is sourced from the NHTSA Complaints Database. Reports are filed by vehicle owners and may not reflect confirmed defects. Last updated via NHTSA API.