2020 head-to-head · Large Car
2020 Kia Cadenza 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.
FWD · 3.3L 6-cyl · 8-speed automatic · 23 MPG
The 2020 Subaru Legacy is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $1,550 a year to fuel (30 MPG), versus $2,022 for the 2020 Kia Cadenza (23 MPG). That's roughly $472 a year, or about $2,359 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 Cadenza
- Subaru Legacy
Side by side
| Kia Cadenza | Subaru Legacy | |
|---|---|---|
| $2,022 | Your annual fuel cost | $1,550 |
| 23 MPG | Combined efficiency | 30 MPG |
| 20 MPG | City | 27 MPG |
| 28 MPG | Highway | 35 MPG |
| 108 cu ft | Passenger volume | 105 cu ft |
| 16 cu ft | Cargo volume | 15 cu ft |
| 385 g/mi | Tailpipe CO₂ (g/mi) | 295 g/mi |
| 5/10 | EPA fuel economy score | 7/10 |
| 5/10 | EPA greenhouse gas score | 7/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 3.3L 6-cyl | 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 Cadenza vs Subaru Legacy across model years
- Kia Cadenza
- 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 Cadenza has more cargo space (16 vs. 15 cu ft).
Among 32 2020 large cars, the Kia Cadenza ranks 13th and the Subaru Legacy 9th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2020 Kia Cadenza or the 2020 Subaru Legacy?
Measured by cost to drive, the Subaru Legacy. The Kia Cadenza is rated 23 MPG combined and the Subaru Legacy 30 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2020 Kia Cadenza vs. the Subaru Legacy per year?
At 15,000 miles a year with $3.10/gal regular gas, about $2,022 for the Kia Cadenza and $1,550 for the Subaru Legacy.
Which has more cargo space?
The Kia Cadenza, with 16 cu ft of luggage volume versus 15 cu ft (EPA interior volume index).
More 2020 comparisons
Kia Cadenza vs…
Or compare the 2020 Kia Cadenza with anything else: