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.

2024–2027

BMW i5

Compact Cars · 30 configurations

116mpg combined (best)
All BMW i5 specs

2016–2026

Toyota Mirai

Compact Cars · 17 configurations

74mpg combined (best)
All Toyota Mirai specs

Head-to-head specifications

MetricBMW i5Toyota Mirai
Best combined MPG116 mpg ✓74 mpg
Best city MPG120 mpg ✓76 mpg
Best highway MPG113 mpg ✓71 mpg
Lowest annual fuel costEPA estimate at 15,000 miles per year$650Not available
Lowest CO2 outputNot availableNot available
Engines offeredNot availablePEFC
TransmissionsAutomatic (A1)Automatic (variable gear ratios)
DrivetrainsAll-Wheel Drive, Rear-Wheel Drive, 4-Wheel DriveRear-Wheel Drive, Front-Wheel Drive
Fuel typesElectricityHydrogen
EPA classCompact CarsCompact Cars
Years covered2024–20272016–2026
Configurations on record3017

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.

More i5 comparisons

More Mirai comparisons

Comparison id: bmw-i5-vs-toyota-mirai