2026 head-to-head · Large Car

2026 Honda Civic Hybrid vs Kia K5

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
$949/ year to fuel
49 MPG
✓ Cheaper to run
$1,550/ year to fuel
30 MPG

The 2026 Honda Civic Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $949 a year to fuel (49 MPG), versus $1,550 for the 2026 Kia K5 (30 MPG). That's roughly $601 a year, or about $3,005 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 Hybrid
  • Kia K5

Side by side

Honda Civic HybridKia K5
$949 Your annual fuel cost $1,550
49 MPG Combined efficiency 30 MPG
50 MPG City 26 MPG
47 MPG Highway 37 MPG
99 cu ft Passenger volume 105 cu ft
15 cu ft Cargo volume 16 cu ft
181 g/mi Tailpipe CO₂ (g/mi) 298 g/mi
8/10 EPA fuel economy score 6/10
8/10 EPA greenhouse gas score 6/10
Hybrid Powertrain Gas
Regular gasoline Fuel Regular gasoline
2.0L 4-cyl Engine / motor 2.5L 4-cyl
CVT Transmission 8-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.

Honda Civic Hybrid vs Kia K5 across model years

  • Honda Civic Hybrid
  • Kia K5

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 K5 has more passenger space (105 vs. 99 cu ft); the Kia K5 has more cargo space (16 vs. 15 cu ft).

Among 24 2026 large cars, the Honda Civic Hybrid ranks 4th and the Kia K5 10th for lowest fuel cost.

The powertrains differ: the Honda Civic Hybrid is a full hybrid, while the Kia K5 is a conventional gas model.

Frequently asked questions

Which is more fuel-efficient, the 2026 Honda Civic Hybrid or the 2026 Kia K5?

Measured by cost to drive, the Honda Civic Hybrid. The Honda Civic Hybrid is rated 49 MPG combined and the Kia K5 30 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2026 Honda Civic Hybrid vs. the Kia K5 per year?

At 15,000 miles a year with $3.10/gal regular gas, about $949 for the Honda Civic Hybrid and $1,550 for the Kia K5.

Which has more cargo space?

The Kia K5, with 16 cu ft of luggage volume versus 15 cu ft (EPA interior volume index).

Honda Civic Hybrid vs Kia K5 in other years

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