2015 head-to-head · Midsize Car

2015 Hyundai Elantra vs Mazda 6

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
$1,500/ year to fuel
31 MPG
✓ Cheaper to run
$1,453/ year to fuel
32 MPG

On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.10/gal regular gas, the most efficient 2015 Hyundai Elantra (31 MPG) costs about $1,500 a year to fuel and the 2015 Mazda 6 (32 MPG) about $1,453.

Your numbers

Change these to match your driving and local prices. Every figure and chart on this page updates.

Fuel cost over 10 years

  • Hyundai Elantra
  • Mazda 6

Side by side

Hyundai ElantraMazda 6
$1,500 Your annual fuel cost $1,453
31 MPG Combined efficiency 32 MPG
27 MPG City 28 MPG
37 MPG Highway 39 MPG
96 cu ft Passenger volume 100 cu ft
15 cu ft Cargo volume 15 cu ft
285 g/mi Tailpipe CO₂ (g/mi) 280 g/mi
8/10 EPA fuel economy score 8/10
8/10 EPA greenhouse gas score 8/10
Gas Powertrain Gas
Regular gasoline Fuel Regular gasoline
1.8L 4-cyl Engine / motor 2.5L 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.

Hyundai Elantra vs Mazda 6 across model years

  • Hyundai Elantra
  • Mazda 6

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 Mazda 6 has more passenger space (100 vs. 96 cu ft).

Among 69 2015 midsize cars, the Hyundai Elantra ranks 19th and the Mazda 6 17th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2015 Hyundai Elantra or the 2015 Mazda 6?

Measured by cost to drive, the Mazda 6. The Hyundai Elantra is rated 31 MPG combined and the Mazda 6 32 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2015 Hyundai Elantra vs. the Mazda 6 per year?

At 15,000 miles a year with $3.10/gal regular gas, about $1,500 for the Hyundai Elantra and $1,453 for the Mazda 6.

Hyundai Elantra vs Mazda 6 in other years

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