BMW i5 vs Toyota Mirai: Specs Compared
Also searched as Toyota Mirai vs BMW i5 specs — both orientations show this same side-by-side comparison.
The BMW i5 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 BMW i5 leads in 3. Figures are EPA test data, not manufacturer claims.
Head-to-head specifications
| Metric | BMW i5 | Toyota Mirai |
|---|---|---|
| Best combined MPG | 116 mpg ✓ | 74 mpg |
| Best city MPG | 120 mpg ✓ | 76 mpg |
| Best highway MPG | 113 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 | All-Wheel Drive, Rear-Wheel Drive, 4-Wheel Drive | Rear-Wheel Drive, Front-Wheel Drive |
| Fuel types | Electricity | Hydrogen |
| EPA class | Compact Cars | Compact Cars |
| Years covered | 2024–2027 | 2016–2026 |
| Configurations on record | 30 | 17 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
BMW i5 vs Toyota Mirai: what the numbers mean
City and highway economy: the BMW i5 leads in both cycles — 120 mpg city and 113 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 BMW i5 is recorded with no distinct engine configurations, the Toyota Mirai with 1 (PEFC). Across 30 recorded BMW i5 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 BMW i5 is offered with All-Wheel Drive, Rear-Wheel Drive, 4-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 Compact Cars and Compact Cars respectively — the class drives the interior volume, cargo space and passenger space each one is measured against.
i5 vs Mirai: common questions
Which is better on gas, the BMW i5 or the Toyota Mirai?
The BMW i5 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 i5 and Mirai offer?
BMW i5: no engine data on record. Toyota Mirai: PEFC.
Are they in the same vehicle class?
Yes — the EPA classifies both the BMW i5 and the Toyota Mirai as Compact Cars, so they compete directly.
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