2026 head-to-head · Small SUV

2026 Hyundai Ioniq 5 vs Kia EV6

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
$783/ year to fuel
115 MPGe
✓ Cheaper to run
2026 Kia EV6Electric
$788/ year to fuel
115 MPGe

On fuel costs these two are nearly tied. Driving 15,000 miles a year with 18¢/kWh electricity, the most efficient 2026 Hyundai Ioniq 5 (115 MPGe) costs about $783 a year to fuel and the 2026 Kia EV6 (115 MPGe) about $788.

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 5
  • Kia EV6

Side by side

Hyundai Ioniq 5Kia EV6
$783 Your annual fuel cost $788
115 MPGe Combined efficiency 115 MPGe
131 MPGe City 128 MPGe
100 MPGe Highway 103 MPGe
29 kWh Electricity use (kWh/100 mi) 29.2 kWh
245 mi Driving range 237 mi
0 g/mi Tailpipe CO₂ (g/mi) 0 g/mi
9/10 EPA fuel economy score 9/10
10/10 EPA greenhouse gas score 10/10
6.3 hrs Charge time at 240V 6.2 hrs
Electric Powertrain Electric
Electricity Fuel Electricity
Electric motor (125 kW) Engine / motor Electric motor (125 kW)
Single-speed Transmission Single-speed
RWD Drivetrain RWD

✓ 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 5 vs Kia EV6 across model years

  • Hyundai Ioniq 5
  • Kia EV6

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

The Hyundai Ioniq 5 goes farther between stops: about 245 miles on a charge, compared with 237 miles for the Kia EV6.

Among 114 2026 small SUVs, the Hyundai Ioniq 5 ranks 7th and the Kia EV6 9th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2026 Hyundai Ioniq 5 or the 2026 Kia EV6?

Measured by cost to drive, the Hyundai Ioniq 5. The Hyundai Ioniq 5 is rated 115 MPGe combined and the Kia EV6 115 MPGe (EPA, most efficient configuration of each).

How much does it cost to fuel the 2026 Hyundai Ioniq 5 vs. the Kia EV6 per year?

At 15,000 miles a year with 18¢/kWh electricity, about $783 for the Hyundai Ioniq 5 and $788 for the Kia EV6.

Which has more range?

The Hyundai Ioniq 5: about 245 miles versus 237 miles.

Hyundai Ioniq 5 vs Kia EV6 in other years

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