2018 head-to-head · Subcompact Car
2018 Buick Cascada vs Fiat 500
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
The 2018 Fiat 500 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $1,975 a year to fuel (30 MPG), versus $2,469 for the 2018 Buick Cascada (24 MPG). That's roughly $494 a year, or about $2,469 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
- Fiat 500
Side by side
| Buick Cascada | Fiat 500 | |
|---|---|---|
| $2,469 | Your annual fuel cost | $1,975 |
| 24 MPG | Combined efficiency | 30 MPG |
| 21 MPG | City | 28 MPG |
| 29 MPG | Highway | 33 MPG |
| 82 cu ft | Passenger volume | 76 cu ft |
| 11 cu ft | Cargo volume | 7 cu ft |
| 373 g/mi | Tailpipe CO₂ (g/mi) | 292 g/mi |
| 5/10 | EPA fuel economy score | 7/10 |
| 5/10 | EPA greenhouse gas score | 7/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 1.6L 4-cyl turbo | Engine / motor | 1.4L 4-cyl turbo |
| 6-speed automatic | Transmission | 5-speed manual |
| 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 Fiat 500 across model years
- Buick Cascada
- Fiat 500
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 Buick Cascada has more passenger space (82 vs. 76 cu ft); the Buick Cascada has more cargo space (11 vs. 7 cu ft).
Among 44 2018 subcompact cars, the Buick Cascada ranks 27th and the Fiat 500 11th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2018 Buick Cascada or the 2018 Fiat 500?
Measured by cost to drive, the Fiat 500. The Buick Cascada is rated 24 MPG combined and the Fiat 500 30 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Buick Cascada vs. the Fiat 500 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,469 for the Buick Cascada and $1,975 for the Fiat 500.
Which has more cargo space?
The Buick Cascada, with 11 cu ft of luggage volume versus 7 cu ft (EPA interior volume index).
Buick Cascada vs Fiat 500 in other years
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