2021 Hyundai IoniqFuel Economy & MPG Ratings
Trim Comparison
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic (AM-S6) | Regular Hybrid | 54 | 56 | 55 | $1,250 |
Based on gasoline at $3.67/gal, 15,000 miles/year
vs. average new vehicle
Environment
- CO₂ Tailpipe Emissions
- 162 g/mile
- Annual Petroleum Consumption
- 5.4 barrels
Specifications
- Engine
- 1.6L 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
- 1.6L, 4-cylinder
- Induction Type
- SIDI; Hybrid
- Efficiency Tech
- Auto Start-Stop
- 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 | $1,225/yr | — |
| California | $5.957/gal | $1,625/yrHIGHEST | +$400 |
| Texas | $3.888/gal | $1,060/yrLOWEST | $-165 |
| Florida | $4.136/gal | $1,128/yr | $-97 |
| New York | $4.522/gal | $1,233/yr | +$8 |
| Ohio | $4.510/gal | $1,230/yr | +$5 |
| Washington | $5.591/gal | $1,525/yr | +$300 |
| Colorado | $4.618/gal | $1,259/yr | +$34 |
| Minnesota | $4.344/gal | $1,185/yr | $-40 |
| Massachusetts | $4.448/gal | $1,213/yr | $-12 |
Calculated at 15,000 miles/year (EPA standard assumption) using 55 MPG combined. Regular gasoline prices. Actual costs vary.
Recall History
Source: NHTSA✓No recalls reported for this vehicle.
Owner-Reported Problems1 complaints
Source: NHTSANHTSA has received 1 owner complaints for the 2021 Hyundai Ioniq. Top reported issues include electrical system. The data below is sourced from consumer complaints filed directly with NHTSA.
Problems by System / Component
2021 Hyundai Ioniq problems by category: Electrical System: 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.
