2021 head-to-head · Large Car
2021 Honda Civic 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.
The 2021 Honda Civic is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $1,292 a year to fuel (36 MPG), versus $1,453 for the 2021 Kia K5 (32 MPG). That's roughly $161 a year, or about $807 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
- Kia K5
Side by side
| Honda Civic | Kia K5 | |
|---|---|---|
| $1,292 | Your annual fuel cost | $1,453 |
| 36 MPG | Combined efficiency | 32 MPG |
| 32 MPG | City | 29 MPG |
| 42 MPG | Highway | 38 MPG |
| 98 cu ft | Passenger volume | 105 cu ft |
| 15 cu ft | Cargo volume | 16 cu ft |
| 248 g/mi | Tailpipe CO₂ (g/mi) | 277 g/mi |
| 8/10 | EPA fuel economy score | 7/10 |
| 8/10 | EPA greenhouse gas score | 7/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 1.5L 4-cyl turbo | Engine / motor | 1.6L 4-cyl turbo |
| 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 vs Kia K5 across model years
- Honda Civic
- 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. 98 cu ft); the Kia K5 has more cargo space (16 vs. 15 cu ft).
Among 27 2021 large cars, the Honda Civic ranks 6th and the Kia K5 9th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2021 Honda Civic or the 2021 Kia K5?
Measured by cost to drive, the Honda Civic. The Honda Civic is rated 36 MPG combined and the Kia K5 32 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 Honda Civic vs. the Kia K5 per year?
At 15,000 miles a year with $3.10/gal regular gas, about $1,292 for the Honda Civic and $1,453 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 vs Kia K5 in other years
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