2018 head-to-head · Compact Car

2018 Kia Rio vs Toyota Yaris

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
$1,453/ year to fuel
32 MPG
✓ Cheaper to run
$1,329/ year to fuel
35 MPG

The 2018 Toyota Yaris is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $1,329 a year to fuel (35 MPG), versus $1,453 for the 2018 Kia Rio (32 MPG). That's roughly $125 a year, or about $623 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

  • Kia Rio
  • Toyota Yaris

Side by side

Kia RioToyota Yaris
$1,453 Your annual fuel cost $1,329
32 MPG Combined efficiency 35 MPG
28 MPG City 32 MPG
37 MPG Highway 40 MPG
90 cu ft Passenger volume 86 cu ft
14 cu ft Cargo volume 13 cu ft
280 g/mi Tailpipe CO₂ (g/mi) 249 g/mi
7/10 EPA fuel economy score 8/10
7/10 EPA greenhouse gas score 8/10
Gas Powertrain Gas
Regular gasoline Fuel Regular gasoline
1.6L 4-cyl Engine / motor 1.5L 4-cyl
6-speed automatic Transmission 6-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.

Kia Rio vs Toyota Yaris across model years

  • Kia Rio
  • Toyota Yaris

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 Rio has more passenger space (90 vs. 86 cu ft); the Kia Rio has more cargo space (14 vs. 13 cu ft).

Among 44 2018 compact cars, the Kia Rio ranks 15th and the Toyota Yaris 7th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2018 Kia Rio or the 2018 Toyota Yaris?

Measured by cost to drive, the Toyota Yaris. The Kia Rio is rated 32 MPG combined and the Toyota Yaris 35 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2018 Kia Rio vs. the Toyota Yaris per year?

At 15,000 miles a year with $3.10/gal regular gas, about $1,453 for the Kia Rio and $1,329 for the Toyota Yaris.

Which has more cargo space?

The Kia Rio, with 14 cu ft of luggage volume versus 13 cu ft (EPA interior volume index).

Kia Rio vs Toyota Yaris in other years

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