2019 head-to-head · Large Car
2019 Hyundai Ioniq vs Kia Optima
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2019 Hyundai Ioniq is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $802 a year to fuel (58 MPG), versus $1,500 for the 2019 Kia Optima (31 MPG). That's roughly $698 a year, or about $3,491 over five years.
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 Ioniq
- Kia Optima
Side by side
| Hyundai Ioniq | Kia Optima | |
|---|---|---|
| $802 | Your annual fuel cost | $1,500 |
| 58 MPG | Combined efficiency | 31 MPG |
| 57 MPG | City | 27 MPG |
| 59 MPG | Highway | 37 MPG |
| 96 cu ft | Passenger volume | 105 cu ft |
| 27 cu ft | Cargo volume | 16 cu ft |
| 154 g/mi | Tailpipe CO₂ (g/mi) | 292 g/mi |
| 10/10 | EPA fuel economy score | 7/10 |
| 10/10 | EPA greenhouse gas score | 7/10 |
| Hybrid | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 1.6L 4-cyl | Engine / motor | 1.6L 4-cyl turbo |
| 6-speed dual-clutch | Transmission | 7-speed dual-clutch |
| 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 Ioniq vs Kia Optima across model years
- Hyundai Ioniq
- Kia Optima
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 Kia Optima has more passenger space (105 vs. 96 cu ft); the Hyundai Ioniq has more cargo space (27 vs. 16 cu ft).
Among 30 2019 large cars, the Hyundai Ioniq ranks 1st and the Kia Optima 6th for lowest fuel cost.
The powertrains differ: the Hyundai Ioniq is a full hybrid, while the Kia Optima is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2019 Hyundai Ioniq or the 2019 Kia Optima?
Measured by cost to drive, the Hyundai Ioniq. The Hyundai Ioniq is rated 58 MPG combined and the Kia Optima 31 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2019 Hyundai Ioniq vs. the Kia Optima per year?
At 15,000 miles a year with $3.10/gal regular gas, about $802 for the Hyundai Ioniq and $1,500 for the Kia Optima.
Which has more cargo space?
The Hyundai Ioniq, with 27 cu ft of luggage volume versus 16 cu ft (EPA interior volume index).
Hyundai Ioniq vs Kia Optima in other years
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