2018 Hyundai Sonata Hybrid MPG & Specs — Real Fuel Cost
Quick answer
The 2018 Hyundai Sonata Hybrid gets an EPA-estimated 39/44 MPG (city/highway) and 41 MPG combined, with an estimated $1,500/year fuel cost and 217 g/mi CO₂. Engine: 2 L 4-cyl.
The 2018 Hyundai Sonata Hybrid with the 2-liter 4-cylinder regular gasoline engine returns an EPA-estimated 39 MPG in the city and 44 MPG on the highway, for a combined 41 MPG. This page summarizes the official EPA fuel-economy and emissions data for this configuration.
| Engine | 2 L 4-cyl |
| Transmission | Automatic (AM6) |
| Drive | Front-Wheel Drive |
| Fuel type | Regular Gasoline |
| Vehicle class | Midsize Cars |
| MPG — city | 39 |
| MPG — highway | 44 |
| MPG — combined | 41 |
| Annual fuel cost* | $1,500 |
| CO₂ tailpipe | 217 g/mi |
| EPA GHG score | 9/10 |
How efficient is it?
With a combined 41 MPG, the 2018 Hyundai Sonata Hybrid sits in the very good range for fuel economy. That is about 61% better than the typical Midsize Cars of its era (26 MPG class average), making it one of the more efficient choices in its class.
Fuel economy and running costs
At about $1,500 per year in fuel (EPA estimate, 15,000 mi/yr), fuel is a major part of the cost of owning the 2018 Hyundai Sonata Hybrid. Over five years that is roughly $7,500 at today's prices — before insurance, maintenance, and depreciation.
Emissions
The 2018 Hyundai Sonata Hybrid emits approximately 217 grams of CO₂ per mile at the tailpipe, earning an EPA greenhouse-gas score of 9 out of 10. Lower emissions generally track higher fuel economy.
How to read these numbers
EPA figures come from standardized laboratory test cycles and are the same estimates shown on the vehicle's window sticker. Your real-world mileage depends on driving style, conditions, fuel grade, and maintenance. Use combined MPG and annual fuel cost to compare vehicles fairly.