2015 head-to-head · Subcompact Car

2015 Ford Fiesta vs Scion iQ

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
$1,329/ year to fuel
35 MPG
✓ Cheaper to run
$1,257/ year to fuel
37 MPG

FWD · 1.3L 4-cyl · CVT · 37 MPG

The 2015 Scion iQ is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $1,257 a year to fuel (37 MPG), versus $1,329 for the 2015 Ford Fiesta (35 MPG). That's roughly $72 a year, or about $359 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

  • Ford Fiesta
  • Scion iQ

Side by side

Ford FiestaScion iQ
$1,329 Your annual fuel cost $1,257
35 MPG Combined efficiency 37 MPG
31 MPG City 36 MPG
41 MPG Highway 37 MPG
85 cu ft Passenger volume 74 cu ft
15 cu ft Cargo volume 4 cu ft
252 g/mi Tailpipe CO₂ (g/mi) 238 g/mi
8/10 EPA fuel economy score 9/10
8/10 EPA greenhouse gas score 9/10
Gas Powertrain Gas
Regular gasoline Fuel Regular gasoline
1.0L 3-cyl turbo Engine / motor 1.3L 4-cyl
5-speed manual Transmission CVT
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.

Ford Fiesta vs Scion iQ across model years

  • Ford Fiesta
  • Scion iQ

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 Ford Fiesta has more passenger space (85 vs. 74 cu ft); the Ford Fiesta has more cargo space (15 vs. 4 cu ft).

Among 36 2015 subcompact cars, the Ford Fiesta ranks 6th and the Scion iQ 5th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2015 Ford Fiesta or the 2015 Scion iQ?

Measured by cost to drive, the Scion iQ. The Ford Fiesta is rated 35 MPG combined and the Scion iQ 37 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2015 Ford Fiesta vs. the Scion iQ per year?

At 15,000 miles a year with $3.10/gal regular gas, about $1,329 for the Ford Fiesta and $1,257 for the Scion iQ.

Which has more cargo space?

The Ford Fiesta, with 15 cu ft of luggage volume versus 4 cu ft (EPA interior volume index).

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