2021 head-to-head · Large Car

2021 Honda Civic vs Hyundai Ioniq

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
$1,292/ year to fuel
36 MPG
✓ Cheaper to run
$788/ year to fuel
59 MPG

The 2021 Hyundai Ioniq is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $788 a year to fuel (59 MPG), versus $1,292 for the 2021 Honda Civic (36 MPG). That's roughly $504 a year, or about $2,518 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

  • Honda Civic
  • Hyundai Ioniq

Side by side

Honda CivicHyundai Ioniq
$1,292 Your annual fuel cost $788
36 MPG Combined efficiency 59 MPG
32 MPG City 58 MPG
42 MPG Highway 60 MPG
98 cu ft Passenger volume 96 cu ft
15 cu ft Cargo volume 27 cu ft
248 g/mi Tailpipe CO₂ (g/mi) 151 g/mi
8/10 EPA fuel economy score 10/10
8/10 EPA greenhouse gas score 10/10
Gas Powertrain Hybrid
Regular gasoline Fuel Regular gasoline
1.5L 4-cyl turbo Engine / motor 1.6L 4-cyl
CVT Transmission 6-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.

Honda Civic vs Hyundai Ioniq across model years

  • Honda Civic
  • Hyundai Ioniq

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 Ioniq has more cargo space (27 vs. 15 cu ft).

Among 27 2021 large cars, the Honda Civic ranks 6th and the Hyundai Ioniq 2nd for lowest fuel cost.

The powertrains differ: the Honda Civic is a conventional gas model, while the Hyundai Ioniq is a full hybrid.

Frequently asked questions

Which is more fuel-efficient, the 2021 Honda Civic or the 2021 Hyundai Ioniq?

Measured by cost to drive, the Hyundai Ioniq. The Honda Civic is rated 36 MPG combined and the Hyundai Ioniq 59 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2021 Honda Civic vs. the Hyundai Ioniq per year?

At 15,000 miles a year with $3.10/gal regular gas, about $1,292 for the Honda Civic and $788 for the Hyundai Ioniq.

Which has more cargo space?

The Hyundai Ioniq, with 27 cu ft of luggage volume versus 15 cu ft (EPA interior volume index).

Honda Civic vs Hyundai Ioniq in other years

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