2018 Hyundai Sonata MPG
EPA-rated · verified snapshot 2026-08-30 · Large Cars
The 2018 Hyundai Sonata gets 31 MPG combined — 28 city and 37 highway — in its most efficient configuration (1.6L · 4-cyl · Automatic (AM7) · Front-Wheel Drive).
City28 MPG
Highway37 MPG
$2,000Fuel cost / yr (EPA est.)
284 g/miCO₂
RegularFuel
+$1,0005-yr fuel cost vs. average vehicle
7 / 10EPA Fuel Economy & GHG score
16 ft³Cargo volume
106 ft³Passenger volume
Where it sits among sedans (2018)
Every 2018 Sonata trim
| Configuration | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|
| 1.6L · 4-cyl · Automatic (AM7) · Front-Wheel Drive | 28 | 37 | 31 | $2,000 |
| 2.4L · 4-cyl · Automatic (S6) · Front-Wheel Drive | 25 | 36 | 29 | $2,100 |
| 2.4L · 4-cyl · Automatic (S6) · Front-Wheel Drive | 25 | 35 | 28 | $2,200 |
| 2.0L · 4-cyl · Automatic (S8) · Front-Wheel Drive | 23 | 32 | 26 | $2,350 |
FAQ
How does the 2018 Sonata's fuel economy compare to other sedans?
The 2018 Sonata's 31 MPG combined is above the sedans average of 27.8 MPG for 2018.
How much does it cost to fuel a 2018 Sonata per year?
Based on EPA assumptions (15,000 miles/year), estimated annual fuel cost is $2,000 for the most efficient trim.
What is the city and highway MPG of the 2018 Sonata?
The most efficient trim is rated 28 MPG city and 37 MPG highway.