2022 head-to-head · Large Car

2022 Kia K5 vs Subaru Legacy

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
$1,453/ year to fuel
32 MPG
✓ Cheaper to run
$1,550/ year to fuel
30 MPG

The 2022 Kia K5 is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $1,453 a year to fuel (32 MPG), versus $1,550 for the 2022 Subaru Legacy (30 MPG). That's roughly $97 a year, or about $484 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

  • Kia K5
  • Subaru Legacy

Side by side

Kia K5Subaru Legacy
$1,453 Your annual fuel cost $1,550
32 MPG Combined efficiency 30 MPG
29 MPG City 27 MPG
38 MPG Highway 35 MPG
105 cu ft Passenger volume 106 cu ft
16 cu ft Cargo volume 15 cu ft
277 g/mi Tailpipe CO₂ (g/mi) 295 g/mi
7/10 EPA fuel economy score 6/10
7/10 EPA greenhouse gas score 6/10
Gas Powertrain Gas
Regular gasoline Fuel Regular gasoline
1.6L 4-cyl turbo Engine / motor 2.5L 4-cyl
8-speed automatic Transmission CVT
FWD Drivetrain AWD

✓ 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.

Kia K5 vs Subaru Legacy across model years

  • Kia K5
  • Subaru Legacy

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 Kia K5 has more cargo space (16 vs. 15 cu ft).

Among 29 2022 large cars, the Kia K5 ranks 11th and the Subaru Legacy 12th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2022 Kia K5 or the 2022 Subaru Legacy?

Measured by cost to drive, the Kia K5. The Kia K5 is rated 32 MPG combined and the Subaru Legacy 30 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2022 Kia K5 vs. the Subaru Legacy per year?

At 15,000 miles a year with $3.10/gal regular gas, about $1,453 for the Kia K5 and $1,550 for the Subaru Legacy.

Which has more cargo space?

The Kia K5, with 16 cu ft of luggage volume versus 15 cu ft (EPA interior volume index).

Kia K5 vs Subaru Legacy in other years

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