The Toyota bZ4X is rated 119 MPGe (131 city, 107 highway) — that is not petrol economy but the distance it covers on 33.7 kWh, the energy held in one gallon. Drawn from a socket it needs 28.3 kWh per 100 miles, so 12,000 miles a year costs about $577 at $0.17 a kWh. The EPA's own annual figure for it is $650.
Every Toyota bZ4X version, compared
The Toyota bZ4X was rated in a single specification, so its consumption does not vary by version — only by model year. Yearly cost assumes 12,000 miles at $0.17 a kilowatt-hour.
| Version | Combined MPGe | City / Highway | Years | Charging per year |
|---|---|---|---|---|
| Electric | 131 / 107 | 2023–2025 | $577 |
What that actually costs
MPGe is an abstraction; the electricity bill is not. At 12,000 miles a year the Toyota bZ4X draws about 3396 kWh, which at $0.17 comes to the figures below.
| Measure | Value |
|---|---|
| Energy use | 28.3 kWh per 100 miles |
| Cost per mile | $0.048 |
| Charging per year | $577 |
| Charging over five years | $2,885 |
| Against other Electric cars | −$104 a year |
| EPA's own estimate | $650 a year |
City or highway — who is this car for
The Toyota bZ4X is one of the cars that does better in town than out of it — 131 in the city against 107 on the highway. That is $66 a year in favour of the commuter stuck in traffic, and it usually means a hybrid drivetrain recovering energy every time you brake.
| Measure | Value | Reading |
|---|---|---|
| City | 131 MPGe | $524 a year if you only drive in town |
| Highway | 107 MPGe | $643 a year if you mostly commute |
| Gap | -24 MPGe (-18%) | Reversed — it does better in town than on the open road |
How the bZ4X changed over the years
Combined figure across the 3 model years the bZ4X was rated in, all of them at 119 MPGe.
| Model year | Combined MPGe | City / Highway | Versions offered | Charging per year |
|---|---|---|---|---|
| 2025 | 131 / 107 | 1 | $577 | |
| 2024 | 131 / 107 | 1 | $577 | |
| 2023 | 131 / 107 | 1 | $577 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 3 EPA ratings of the Toyota bZ4X — 1 engine across 2023–2025. The mileage is EPA's laboratory figure, unchanged; the yearly bill is ours, at 12,000 miles and $0.17 a kilowatt-hour, against EPA's own estimate of $650. Full method.
Frequently asked questions
What is the Toyota bZ4X rated at?
119 MPGe combined on average — 131 in the city and 107 on the highway, per EPA ratings across 2023–2025. MPGe is distance covered on 33.7 kWh, the energy in a gallon of petrol — the car itself takes none.
How much does a Toyota bZ4X cost to charge per year?
About $577 at 12,000 miles and $0.17 a kilowatt-hour — roughly $2,885 over five years, or 0.048 dollars a mile.
Which bZ4X version is the most efficient?
The Electric at 119 MPGe.
Is the bZ4X efficient compared with similar cars?
Against other Electric cars it sits above the average of 101 MPGe, computed across 426 ratings.
Are these real-world bZ4X figures?
No — they are EPA laboratory ratings, the same ones printed on the window sticker, and EPA's own annual fuel estimate for the Toyota bZ4X is $650 against the $577 we compute at 12,000 miles. Expect a little worse in practice: the spread between the city and highway figures is smaller than the spread between two drivers of the same one.
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