2018 head-to-head · Midsize Car

2018 Subaru Legacy vs Toyota Avalon

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
$1,603/ year to fuel
29 MPG
✓ Cheaper to run
$1,938/ year to fuel
24 MPG

FWD · 3.5L 6-cyl · 6-speed automatic · 24 MPG

The 2018 Subaru Legacy is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $1,603 a year to fuel (29 MPG), versus $1,938 for the 2018 Toyota Avalon (24 MPG). That's roughly $334 a year, or about $1,670 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

  • Subaru Legacy
  • Toyota Avalon

Side by side

Subaru LegacyToyota Avalon
$1,603 Your annual fuel cost $1,938
29 MPG Combined efficiency 24 MPG
25 MPG City 21 MPG
34 MPG Highway 30 MPG
105 cu ft Passenger volume 104 cu ft
15 cu ft Cargo volume 16 cu ft
311 g/mi Tailpipe CO₂ (g/mi) 366 g/mi
6/10 EPA fuel economy score 5/10
6/10 EPA greenhouse gas score 5/10
Gas Powertrain Gas
Regular gasoline Fuel Regular gasoline
2.5L 4-cyl Engine / motor 3.5L 6-cyl
CVT Transmission 6-speed automatic
AWD 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.

Subaru Legacy vs Toyota Avalon across model years

  • Subaru Legacy
  • Toyota Avalon

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 Toyota Avalon has more cargo space (16 vs. 15 cu ft).

Among 74 2018 midsize cars, the Subaru Legacy ranks 32nd and the Toyota Avalon 40th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2018 Subaru Legacy or the 2018 Toyota Avalon?

Measured by cost to drive, the Subaru Legacy. The Subaru Legacy is rated 29 MPG combined and the Toyota Avalon 24 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2018 Subaru Legacy vs. the Toyota Avalon per year?

At 15,000 miles a year with $3.10/gal regular gas, about $1,603 for the Subaru Legacy and $1,938 for the Toyota Avalon.

Which has more cargo space?

The Toyota Avalon, with 16 cu ft of luggage volume versus 15 cu ft (EPA interior volume index).

Subaru Legacy vs Toyota Avalon in other years

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