2021 Hyundai Sonata HybridFuel Economy & MPG Ratings
Real-World MPG
Based on 2 owner reports via EPA fueleconomy.gov
Range: 46–53 MPG
Driving mix: City 65% / Highway 35%
Source: EPA fueleconomy.gov “Your MPG” owner submissions. Real-world results vary by driver behavior, conditions, and equipment.
Owner reported MPG for this vehicle averages 49.3 real world MPG based on 2 owner reports. EPA combined rating is 47 MPG.
Trim Comparison
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic (AM-S6) | Regular Hybrid | 45 | 51 | 47 | $1,450 |
Based on gasoline at $3.67/gal, 15,000 miles/year
vs. average new vehicle
Environment
- CO₂ Tailpipe Emissions
- 189 g/mile
- Annual Petroleum Consumption
- 6.3 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
- 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 | $1,433/yr | — |
| California | $5.957/gal | $1,901/yrHIGHEST | +$468 |
| Texas | $3.888/gal | $1,241/yrLOWEST | $-192 |
| Florida | $4.136/gal | $1,320/yr | $-113 |
| New York | $4.522/gal | $1,443/yr | +$10 |
| Ohio | $4.510/gal | $1,439/yr | +$6 |
| Washington | $5.591/gal | $1,784/yr | +$351 |
| Colorado | $4.618/gal | $1,474/yr | +$41 |
| Minnesota | $4.344/gal | $1,386/yr | $-47 |
| Massachusetts | $4.448/gal | $1,420/yr | $-13 |
Calculated at 15,000 miles/year (EPA standard assumption) using 47 MPG combined. Regular gasoline prices. Actual costs vary.
Recall History
Source: NHTSA✓No recalls reported for this vehicle.
Owner-Reported Problems51 complaints
Source: NHTSANHTSA has received 51 owner complaints for the 2021 Hyundai Sonata Hybrid. Top reported issues include electrical system, engine and fuel system. The data below is sourced from consumer complaints filed directly with NHTSA.
Problems by System / Component
2021 Hyundai Sonata Hybrid problems by category: Electrical System: 23 complaints, Engine: 23 complaints, Fuel System: 3 complaints, Power Train: 3 complaints, Advanced Safety (ADAS): 3 complaints, Structure: 1 complaints, Visibility / Wipers: 1 complaints, Wheels & Tires: 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.