BMW i7 vs Toyota Mirai: Specs Compared
Also searched as Toyota Mirai vs BMW i7 specs — both orientations show this same side-by-side comparison.
The BMW i7 is the more efficient of the two: it reaches 92 mpg combined versus 74 mpg for the Toyota Mirai, a 18 mpg advantage.
Across 3 measured categories, the BMW i7 leads in 3. Figures are EPA test data, not manufacturer claims.
Head-to-head specifications
| Metric | BMW i7 | Toyota Mirai |
|---|---|---|
| Best combined MPG | 92 mpg ✓ | 74 mpg |
| Best city MPG | 91 mpg ✓ | 76 mpg |
| Best highway MPG | 95 mpg ✓ | 71 mpg |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $800 | 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 | Large Cars | Compact Cars |
| Years covered | 2023–2027 | 2016–2026 |
| Configurations on record | 34 | 17 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
BMW i7 vs Toyota Mirai dimensions and size
The BMW i7 is 16.5 inches longer than the Toyota Mirai on a wheelbase 11.8 inches longer, and 2,087.8 lbs heavier. At over 200 inches, the larger of the two is past the comfortable limit of a standard 192-inch single garage bay once you allow walking room.
| Dimension | BMW i7 (2026) | Toyota Mirai (2026) | Difference |
|---|---|---|---|
| Length | 212.2 in | 195.7 in | 16.5 in |
| Width (excl. mirrors) | 76.8 in | 74 in | 2.8 in |
| Height | 60.6 in | 57.9 in | 2.8 in |
| Wheelbase | 126.8 in | 115 in | 11.8 in |
| Curb weight | 6,343 lbs | 4,255 lbs | 2,088 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.
BMW i7 vs Toyota Mirai: what the numbers mean
City and highway economy: the BMW i7 leads in both cycles — 91 mpg city and 95 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 i7 is recorded with no distinct engine configurations, the Toyota Mirai with 1 (PEFC). Across 34 recorded BMW i7 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 i7 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 Large Cars and Compact Cars respectively — the class drives the interior volume, cargo space and passenger space each one is measured against.
i7 vs Mirai: common questions
Which is better on gas, the BMW i7 or the Toyota Mirai?
The BMW i7 is the more efficient of the two: it reaches 92 mpg combined versus 74 mpg for the Toyota Mirai, a 18 mpg advantage.
What engines do the i7 and Mirai offer?
BMW i7: no engine data on record. Toyota Mirai: PEFC.
Are they in the same vehicle class?
The EPA classifies the BMW i7 as Large Cars and the Toyota Mirai as Compact Cars, so they aren't a like-for-like match on size.
More i7 comparisons
More Mirai comparisons
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