2026 Kia K5Fuel Economy & MPG Ratings
Trim Comparison
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic (S8) | Regular | 25 | 36 | 29 | $2,350 |
| Automatic (AM-S8) | Regular | 23 | 33 | 27 | $2,500 |
Based on gasoline at $3.67/gal, 15,000 miles/year
vs. average new vehicle
Environment
- CO₂ Tailpipe Emissions
- 310 g/mile
- Annual Petroleum Consumption
- 10.3 barrels
Specifications
- Engine
- 2.5L 4-cyl
- Transmission
- 8-speed 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
- 2.5L, 4-cylinder
- Induction Type
- Direct Injection
- 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 | $2,322/yr | — |
| California | $5.957/gal | $3,081/yrHIGHEST | +$759 |
| Texas | $3.888/gal | $2,011/yrLOWEST | $-311 |
| Florida | $4.136/gal | $2,139/yr | $-183 |
| New York | $4.522/gal | $2,339/yr | +$17 |
| Ohio | $4.510/gal | $2,333/yr | +$11 |
| Washington | $5.591/gal | $2,892/yr | +$570 |
| Colorado | $4.618/gal | $2,389/yr | +$67 |
| Minnesota | $4.344/gal | $2,247/yr | $-75 |
| Massachusetts | $4.448/gal | $2,301/yr | $-21 |
Calculated at 15,000 miles/year (EPA standard assumption) using 29 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 | 10.7% |
Safety Equipment
Recall History1
Source: NHTSAOwner-Reported Problems9 complaints
Source: NHTSANHTSA has received 9 owner complaints for the 2026 Kia K5. Top reported issues include engine, electrical system and advanced safety (adas). The data below is sourced from consumer complaints filed directly with NHTSA.
Problems by System / Component
2026 Kia K5 problems by category: Engine: 5 complaints, Electrical System: 3 complaints, Advanced Safety (ADAS): 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.