2017 head-to-head · Large Car

2017 Hyundai Sonata vs Kia Forte

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
$1,500/ year to fuel
31 MPG
✓ Cheaper to run
$1,453/ year to fuel
32 MPG

On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.10/gal regular gas, the most efficient 2017 Hyundai Sonata (31 MPG) costs about $1,500 a year to fuel and the 2017 Kia Forte (32 MPG) about $1,453.

Your numbers

Change these to match your driving and local prices. Every figure and chart on this page updates.

Fuel cost over 10 years

  • Hyundai Sonata
  • Kia Forte

Side by side

Hyundai SonataKia Forte
$1,500 Your annual fuel cost $1,453
31 MPG Combined efficiency 32 MPG
28 MPG City 29 MPG
36 MPG Highway 38 MPG
106 cu ft Passenger volume 96 cu ft
16 cu ft Cargo volume 15 cu ft
286 g/mi Tailpipe CO₂ (g/mi) 301 g/mi
7/10 EPA fuel economy score 7/10
7/10 EPA greenhouse gas score 7/10
Gas Powertrain Gas
Regular gasoline Fuel Regular gasoline
1.6L 4-cyl turbo Engine / motor 2.0L 4-cyl
7-speed dual-clutch Transmission 6-speed automatic
FWD Drivetrain FWD

✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.

Hyundai Sonata vs Kia Forte across model years

  • Hyundai Sonata
  • Kia Forte

Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.

How they differ

Per EPA interior volume figures, the Hyundai Sonata has more passenger space (106 vs. 96 cu ft); the Hyundai Sonata has more cargo space (16 vs. 15 cu ft).

Among 30 2017 large cars, the Hyundai Sonata ranks 5th and the Kia Forte 4th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2017 Hyundai Sonata or the 2017 Kia Forte?

Measured by cost to drive, the Kia Forte. The Hyundai Sonata is rated 31 MPG combined and the Kia Forte 32 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2017 Hyundai Sonata vs. the Kia Forte per year?

At 15,000 miles a year with $3.10/gal regular gas, about $1,500 for the Hyundai Sonata and $1,453 for the Kia Forte.

Which has more cargo space?

The Hyundai Sonata, with 16 cu ft of luggage volume versus 15 cu ft (EPA interior volume index).

Hyundai Sonata vs Kia Forte in other years

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