2015 head-to-head · Subcompact Car

2015 Chevrolet Spark 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
$1,368/ year to fuel
34 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 $1,368 for the 2015 Chevrolet Spark (34 MPG). That's roughly $111 a year, or about $554 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

  • Chevrolet Spark
  • Scion iQ

Side by side

Chevrolet SparkScion iQ
$1,368 Your annual fuel cost $1,257
34 MPG Combined efficiency 37 MPG
31 MPG City 36 MPG
38 MPG Highway 37 MPG
86 cu ft Passenger volume 74 cu ft
11 cu ft Cargo volume 4 cu ft
264 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
1.2L 4-cyl 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.

Chevrolet Spark vs Scion iQ across model years

  • Chevrolet Spark
  • 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 Chevrolet Spark has more passenger space (86 vs. 74 cu ft); the Chevrolet Spark has more cargo space (11 vs. 4 cu ft).

Among 36 2015 subcompact cars, the Chevrolet Spark ranks 8th and the Scion iQ 5th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2015 Chevrolet Spark or the 2015 Scion iQ?

Measured by cost to drive, the Scion iQ. The Chevrolet Spark is rated 34 MPG combined and the Scion iQ 37 MPG (EPA, most efficient configuration of each).

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

At 15,000 miles a year with $3.10/gal regular gas, about $1,368 for the Chevrolet Spark and $1,257 for the Scion iQ.

Which has more cargo space?

The Chevrolet Spark, with 11 cu ft of luggage volume versus 4 cu ft (EPA interior volume index).

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