Fiat 500e vs Toyota Mirai: Specs Compared
Also searched as Toyota Mirai vs Fiat 500e specs — both orientations show this same side-by-side comparison.
The Fiat 500e is the more efficient of the two: it reaches 116 mpg combined versus 74 mpg for the Toyota Mirai, a 42 mpg advantage.
Across 3 measured categories, the Fiat 500e leads in 3. Figures are EPA test data, not manufacturer claims.
Head-to-head specifications
| Metric | Fiat 500e | Toyota Mirai |
|---|---|---|
| Best combined MPG | 116 mpg ✓ | 74 mpg |
| Best city MPG | 127 mpg ✓ | 76 mpg |
| Best highway MPG | 108 mpg ✓ | 71 mpg |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $650 | Not available |
| Lowest CO2 output | Not available | Not available |
| Engines offered | Not available | PEFC |
| Transmissions | Automatic (A1) | Automatic (variable gear ratios) |
| Drivetrains | Front-Wheel Drive | Rear-Wheel Drive, Front-Wheel Drive |
| Fuel types | Electricity | Hydrogen |
| EPA class | Minicompact Cars | Compact Cars |
| Years covered | 2015–2026 | 2016–2026 |
| Configurations on record | 11 | 17 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
Fiat 500e vs Toyota Mirai dimensions and size
The Toyota Mirai is 52.8 inches longer than the Fiat 500e on a wheelbase 23.6 inches longer, and 1,302.9 lbs heavier. Both clear the roughly 200 inches of usable length in a standard single garage bay.
| Dimension | Fiat 500e (2026) | Toyota Mirai (2026) | Difference |
|---|---|---|---|
| Length | 142.9 in | 195.7 in | 52.8 in |
| Width (excl. mirrors) | 74 in | 74 in | identical |
| Height | 66.1 in | 57.9 in | 8.3 in |
| Wheelbase | 91.3 in | 115 in | 23.6 in |
| Curb weight | 2,952 lbs | 4,255 lbs | 1,303 lbs |
Width excludes mirrors; add 8–12 inches for mirrors out. Figures are for the newest model year on record for each vehicle. See both drawn to scale.
Fiat 500e vs Toyota Mirai: what the numbers mean
City and highway economy: the Fiat 500e leads in both cycles — 127 mpg city and 108 mpg highway against 76 and 71 mpg — so its fuel-efficiency advantage holds whether you commute in traffic or cover long highway miles.
Powertrain choice: the Fiat 500e is recorded with no distinct engine configurations, the Toyota Mirai with 1 (PEFC). Across 11 recorded Fiat 500e configurations and 17 for the Toyota Mirai, the wider the engine spread the more the real-world fuel efficiency depends on which version you actually buy, so check the specific model year and drivetrain rather than the headline number.
Drivetrain and class: the Fiat 500e is offered with Front-Wheel Drive, the Toyota Mirai with Rear-Wheel Drive, Front-Wheel Drive. All-wheel drive typically costs one to two mpg combined against the same vehicle in front- or rear-wheel drive, which is worth remembering when the gap between these two is small. The EPA classes them as Minicompact Cars and Compact Cars respectively — the class drives the interior volume, cargo space and passenger space each one is measured against.
500e vs Mirai: common questions
Which is better on gas, the Fiat 500e or the Toyota Mirai?
The Fiat 500e is the more efficient of the two: it reaches 116 mpg combined versus 74 mpg for the Toyota Mirai, a 42 mpg advantage.
What engines do the 500e and Mirai offer?
Fiat 500e: no engine data on record. Toyota Mirai: PEFC.
Are they in the same vehicle class?
The EPA classifies the Fiat 500e as Minicompact Cars and the Toyota Mirai as Compact Cars, so they aren't a like-for-like match on size.
More 500e comparisons
More Mirai comparisons
Comparison id: fiat-500e-vs-toyota-mirai