2018 head-to-head · Two-Seater

2018 Alfa Romeo 4C vs Mazda MX-5

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
$2,116/ year to fuel
28 MPG

RWD · 1.8L 4-cyl turbo · 6-speed dual-clutch · 28 MPG

✓ Cheaper to run
$2,043/ year to fuel
29 MPG

The 2018 Mazda MX-5 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,043 a year to fuel (29 MPG), versus $2,116 for the 2018 Alfa Romeo 4C (28 MPG). That's roughly $73 a year, or about $365 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

  • Alfa Romeo 4C
  • Mazda MX-5

Side by side

Alfa Romeo 4CMazda MX-5
$2,116 Your annual fuel cost $2,043
28 MPG Combined efficiency 29 MPG
24 MPG City 26 MPG
34 MPG Highway 33 MPG
317 g/mi Tailpipe CO₂ (g/mi) 305 g/mi
6/10 EPA fuel economy score 6/10
6/10 EPA greenhouse gas score 6/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
1.8L 4-cyl turbo Engine / motor 2.0L 4-cyl
6-speed dual-clutch Transmission 6-speed manual
RWD 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.

Alfa Romeo 4C vs Mazda MX-5 across model years

  • Alfa Romeo 4C
  • Mazda MX-5

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

Among 30 2018 two-seaters, the Alfa Romeo 4C ranks 5th and the Mazda MX-5 4th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2018 Alfa Romeo 4C or the 2018 Mazda MX-5?

Measured by cost to drive, the Mazda MX-5. The Alfa Romeo 4C is rated 28 MPG combined and the Mazda MX-5 29 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2018 Alfa Romeo 4C vs. the Mazda MX-5 per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,116 for the Alfa Romeo 4C and $2,043 for the Mazda MX-5.

Alfa Romeo 4C vs Mazda MX-5 in other years

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