2018 head-to-head · Subcompact Car
2018 Buick Cascada vs Toyota Mirai
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 · 1.6L 4-cyl turbo · 6-speed automatic · 24 MPG
FWD · Electric motor (113 kW) · CVT · 67 MPGe
The 2018 Buick Cascada is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas and $36.00/kg hydrogen, it costs about $2,469 a year to fuel (24 MPG), versus $8,060 for the 2018 Toyota Mirai (67 MPGe). That's roughly $5,591 a year, or about $27,955 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
- Buick Cascada
- Toyota Mirai
Side by side
| Buick Cascada | Toyota Mirai | |
|---|---|---|
| $2,469 | Your annual fuel cost | $8,060 |
| 24 MPG | Combined efficiency | 67 MPGe |
| 21 MPG | City | 67 MPGe |
| 29 MPG | Highway | 67 MPGe |
| — | Driving range | 312 mi |
| 82 cu ft | Passenger volume | 86 cu ft |
| 11 cu ft | Cargo volume | 9 cu ft |
| 373 g/mi | Tailpipe CO₂ (g/mi) | 0 g/mi |
| 5/10 | EPA fuel economy score | 10/10 |
| 5/10 | EPA greenhouse gas score | 10/10 |
| Gas | Powertrain | Fuel cell |
| Premium gasoline | Fuel | Hydrogen |
| 1.6L 4-cyl turbo | Engine / motor | Electric motor (113 kW) |
| 6-speed automatic | Transmission | CVT |
| 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.
Buick Cascada vs Toyota Mirai across model years
- Buick Cascada
- Toyota Mirai
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 Mirai has more passenger space (86 vs. 82 cu ft); the Buick Cascada has more cargo space (11 vs. 9 cu ft).
Among 44 2018 subcompact cars, the Buick Cascada ranks 27th and the Toyota Mirai 44th for lowest fuel cost.
The powertrains differ: the Buick Cascada is a conventional gas model, while the Toyota Mirai is a hydrogen fuel-cell vehicle.
Frequently asked questions
Which is more fuel-efficient, the 2018 Buick Cascada or the 2018 Toyota Mirai?
Measured by cost to drive, the Buick Cascada. The Buick Cascada is rated 24 MPG combined and the Toyota Mirai 67 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Buick Cascada vs. the Toyota Mirai per year?
At 15,000 miles a year with $3.95/gal premium gas and $36.00/kg hydrogen, about $2,469 for the Buick Cascada and $8,060 for the Toyota Mirai.
Which has more cargo space?
The Buick Cascada, with 11 cu ft of luggage volume versus 9 cu ft (EPA interior volume index).
Buick Cascada vs Toyota Mirai in other years
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