2018 head-to-head · Subcompact Car

2018 Fiat 500 vs Ford Mustang

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
$1,975/ year to fuel
30 MPG
✓ Cheaper to run
$1,860/ year to fuel
25 MPG

The 2018 Ford Mustang 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 $1,860 a year to fuel (25 MPG), versus $1,975 for the 2018 Fiat 500 (30 MPG). That's roughly $115 a year, or about $575 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

  • Fiat 500
  • Ford Mustang

Side by side

Fiat 500Ford Mustang
$1,975 Your annual fuel cost $1,860
30 MPG Combined efficiency 25 MPG
28 MPG City 21 MPG
33 MPG Highway 31 MPG
76 cu ft Passenger volume 83 cu ft
7 cu ft Cargo volume 13 cu ft
292 g/mi Tailpipe CO₂ (g/mi) 357 g/mi
7/10 EPA fuel economy score 5/10
7/10 EPA greenhouse gas score 5/10
Gas Powertrain Gas
Premium gasoline Fuel Regular gasoline
1.4L 4-cyl turbo Engine / motor 2.3L 4-cyl turbo
5-speed manual Transmission 6-speed manual
FWD Drivetrain RWD

✓ 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.

Fiat 500 vs Ford Mustang across model years

  • Fiat 500
  • Ford Mustang

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 Mustang has more passenger space (83 vs. 76 cu ft); the Ford Mustang has more cargo space (13 vs. 7 cu ft).

Among 44 2018 subcompact cars, the Fiat 500 ranks 11th and the Ford Mustang 10th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2018 Fiat 500 or the 2018 Ford Mustang?

Measured by cost to drive, the Ford Mustang. The Fiat 500 is rated 30 MPG combined and the Ford Mustang 25 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2018 Fiat 500 vs. the Ford Mustang per year?

At 15,000 miles a year with $3.95/gal premium gas and $3.10/gal regular gas, about $1,975 for the Fiat 500 and $1,860 for the Ford Mustang.

Which has more cargo space?

The Ford Mustang, with 13 cu ft of luggage volume versus 7 cu ft (EPA interior volume index).

Fiat 500 vs Ford Mustang in other years

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