2018 · Compact Car · Gas
2018 Kia Rio MPG & fuel economy
The 2018 Kia Rio is a compact car offered in 2 EPA-rated configurations. The most efficient version returns 32 MPG combined (28 city / 37 highway) on regular gasoline. That's up 1 MPG from the 2017 model. Among 44 compact cars rated for 2018, it ranks 15th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $1,453 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2018 Kia Rio's fuel average is 13.6 km/L (7.4 L/100 km), or 32 MPG combined: 11.9 km/L in the city and 15.7 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 28 | 11.9 | 8.4 |
| Highway | 37 | 15.7 | 6.4 |
| Combined | 32 | 13.6 | 7.4 |
How it ranks among 2018 Compact Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Rio MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| FWD · 1.6L 4-cyl · 6-speed automatic Rio |
Gas | 28 MPG | 37 MPG | 32 MPG | — | $1,453 |
| FWD · 1.6L 4-cyl · 6-speed manual Rio |
Gas | 29 MPG | 37 MPG | 32 MPG | — | $1,453 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 1.6L 4-cyl
- Transmission
- 6-speed automatic
- Drivetrain
- FWD
- Passenger volume
- 90 cu ft
- Cargo volume
- 14 cu ft
- Tailpipe CO₂
- 280 g/mi
- EPA fuel economy score
- 7/10
- EPA greenhouse gas score
- 7/10
2018 Kia Rio vs. rivals
Compare the 2018 Rio
With any other car from any year, including other Rio model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2018 Kia Rio?
Up to 32 MPG combined (28 city / 37 highway).
What fuel does the 2018 Kia Rio use?
Regular gasoline.
What is the fuel average in km/L for the 2018 Kia Rio?
The 2018 Kia Rio's fuel average is 13.6 km/L (7.4 L/100 km), or 32 MPG combined: 11.9 km/L in the city and 15.7 km/L on the highway.
How much does it cost to fuel the 2018 Kia Rio per year?
About $1,453 at 15,000 miles a year with $3.10/gal regular gas, or $9.69 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.