Fuelfacts

Hyundai · Large cars · Gasoline

Hyundai Sonata: MPG and annual fuel cost, 2026

Rated at 32 MPG combined for 2026, the Hyundai Sonata is tied for 9th of 25 large cars, in the upper half.

Where it stands

Compared only with the gasoline models of its class it is tied for first of 11 gasoline large cars, in the top quarter. The median of that narrower group is 21 MPG, against 28 MPG for all large cars together.

Across every class it is tied for 7th of 180 gasoline models, in the top quarter.

Hyundai has 16 models in the 2026 data. This one ranks 10th of them on combined rating, against a make median of 34.5 MPG.

In its class, just ahead of it is the Honda Accord Hybrid at 48 MPG and just behind it is the Kia K5 at 30 MPG.

14146Median 28This model 32
One dot per model of the class.

Fuel cost and CO2

At 15,000 miles a year with 55% of them in the city, with regular gasoline at $4.47 per gallon, the annual fuel bill of the most efficient version is about $2,100. That is $850 less than the large cars median of $2,950, which makes it tied for 9th of 25 large cars, in the upper half.

Tailpipe CO2 is 281 g/mile, 17 g/mile below the large cars median of 298.

Rated versions

In the city the most efficient version is rated 28 and on the highway 38, 10 better on the open road. 4 versions are rated for 2026. The most efficient, Sonata FWD w/Stop-Start: 2.5 L, 4 cyl, Automatic (S8), FWD, gets 32 MPG; the least efficient listed, Sonata FWD: 2.5 L, 4 cyl, Automatic (AM-S8), FWD, gets 27 MPG, a gap of 5 MPG. With the file's assumptions that gap is worth about $400 a year in fuel.

Rated versions of the Hyundai Sonata for model year 2026
VersionCombined MPGCity MPGHighway MPGAnnual fuel costCO2 g/mile
Sonata FWD w/Stop-Start: 2.5 L, 4 cyl, Automatic (S8), FWD322838$2,100281
Sonata FWD: 2.5 L, 4 cyl, Automatic (S8), FWD292536$2,300310
Sonata AWD: 2.5 L, 4 cyl, Automatic (S8), AWD272433$2,500327
Sonata FWD: 2.5 L, 4 cyl, Automatic (AM-S8), FWD272332$2,500333

Year by year

The Hyundai Sonata is in the data for 8 of the 8 model years from 2019 to 2026. Its best combined rating went from 31 in 2019 to 32 MPG in 2026, up 1 MPG. Fuel cost for the best version is $2,100 in the latest data against $2,150 in 2019, although the file applies today's fuel prices to every model year, so that change comes from the rating, not from prices.

312019322020322021322022322023292024322025322026Dashed tick: Class median
Best rating by model year.
Ratings of the Hyundai Sonata by model year
Model yearVersionsBest MPGLowest MPGFuel costCO2 g/miClass median
202643227$2,10028128
202543227$2,10028126.5
202432927$2,30030526.5
202343227$2,10028223
202243227$2,10028224
202143227$2,10028223
202033231$2,10028223
201943126$2,15028423

Similar models

Models closest to the Hyundai Sonata in combined rating within its class
ModelPowertrainCombined MPGAnnual fuel costModel year
Acura IntegraGasoline32$2,5502026
BMW 7 Series HybridHybrid28$2,9502026
BMW 7 Series Plug-in hybridPlug-in hybrid24$3,4002026
Genesis G80Gasoline23$3,5502026
Mercedes-Benz S-Class HybridHybrid23$3,5502026

Rated almost identically and covered by this page:

Compare and rank

Rankings: Large cars, Gasoline, Hyundai, Gasoline large cars.

Data: US EPA and DOE, as prepared in methods and data.