2020 head-to-head · Large Car
2020 Kia K900 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.
AWD · 3.3L 6-cyl turbo · 8-speed automatic · 21 MPG
The 2020 Subaru Legacy 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 $1,550 a year to fuel (30 MPG), versus $2,821 for the 2020 Kia K900 (21 MPG). That's roughly $1,271 a year, or about $6,357 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 K900
- Subaru Legacy
Side by side
| Kia K900 | Subaru Legacy | |
|---|---|---|
| $2,821 | Your annual fuel cost | $1,550 |
| 21 MPG | Combined efficiency | 30 MPG |
| 18 MPG | City | 27 MPG |
| 25 MPG | Highway | 35 MPG |
| 110 cu ft | Passenger volume | 105 cu ft |
| 15 cu ft | Cargo volume | 15 cu ft |
| 431 g/mi | Tailpipe CO₂ (g/mi) | 295 g/mi |
| 4/10 | EPA fuel economy score | 7/10 |
| 4/10 | EPA greenhouse gas score | 7/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Regular gasoline |
| 3.3L 6-cyl turbo | Engine / motor | 2.5L 4-cyl |
| 8-speed automatic | Transmission | CVT |
| AWD | 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 K900 vs Subaru Legacy across model years
- Kia K900
- 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 K900 has more passenger space (110 vs. 105 cu ft).
Among 32 2020 large cars, the Kia K900 ranks 27th and the Subaru Legacy 9th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2020 Kia K900 or the 2020 Subaru Legacy?
Measured by cost to drive, the Subaru Legacy. The Kia K900 is rated 21 MPG combined and the Subaru Legacy 30 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2020 Kia K900 vs. the Subaru Legacy per year?
At 15,000 miles a year with $3.95/gal premium gas and $3.10/gal regular gas, about $2,821 for the Kia K900 and $1,550 for the Subaru Legacy.
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