2027 head-to-head · Large Car
2027 Genesis G80 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 2027 Kia K5 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas and $3.10/gal regular gas, it costs about $1,550 a year to fuel (30 MPG), versus $2,576 for the 2027 Genesis G80 (23 MPG). That's roughly $1,026 a year, or about $5,130 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
- Genesis G80
- Kia K5
Side by side
| Genesis G80 | Kia K5 | |
|---|---|---|
| $2,576 | Your annual fuel cost | $1,550 |
| 23 MPG | Combined efficiency | 30 MPG |
| 20 MPG | City | 26 MPG |
| 29 MPG | Highway | 37 MPG |
| 107 cu ft | Passenger volume | 105 cu ft |
| 15 cu ft | Cargo volume | 16 cu ft |
| 380 g/mi | Tailpipe CO₂ (g/mi) | 296 g/mi |
| 5/10 | EPA fuel economy score | 6/10 |
| 5/10 | EPA greenhouse gas score | 6/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Regular gasoline |
| 2.5L 4-cyl turbo | Engine / motor | 2.5L 4-cyl |
| 8-speed automatic | Transmission | 8-speed automatic |
| AWD | 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.
Genesis G80 vs Kia K5 across model years
- Genesis G80
- 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 cargo space (16 vs. 15 cu ft).
Among 16 2027 large cars, the Genesis G80 ranks 11th and the Kia K5 8th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2027 Genesis G80 or the 2027 Kia K5?
Measured by cost to drive, the Kia K5. The Genesis G80 is rated 23 MPG combined and the Kia K5 30 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2027 Genesis G80 vs. the Kia K5 per year?
At 15,000 miles a year with $3.95/gal premium gas and $3.10/gal regular gas, about $2,576 for the Genesis G80 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).
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