Hyundai Ioniq 5 vs Toyota bZ4X: Specs Compared
Also searched as Toyota bZ4X vs Hyundai Ioniq 5 specs — both orientations show this same side-by-side comparison.
The Toyota bZ4X is the more efficient of the two: it reaches 119 mpg combined versus 115 mpg for the Hyundai Ioniq 5, a 4 mpg advantage and costs about $0 less per year to fuel.
Across 3 measured categories, the Toyota bZ4X leads in 2. Figures are EPA test data, not manufacturer claims.
2022–2027
Hyundai Ioniq 5
Small Sport Utility Vehicle 4WD · 25 configurations
2023–2025
Toyota bZ4X
Small Sport Utility Vehicle 4WD · 13 configurations
Head-to-head specifications
| Metric | Hyundai Ioniq 5 | Toyota bZ4X |
|---|---|---|
| Best combined MPG | 115 mpg | 119 mpg ✓ |
| Best city MPG | 132 mpg ✓ | 131 mpg |
| Best highway MPG | 100 mpg | 107 mpg ✓ |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $650 | $650 |
| Lowest CO2 output | Not available | Not available |
| Engines offered | Not available | Not available |
| Transmissions | Automatic (A1) | Automatic (A1) |
| Drivetrains | Rear-Wheel Drive, All-Wheel Drive | Front-Wheel Drive, All-Wheel Drive |
| Fuel types | Electricity | Electricity |
| EPA class | Small Sport Utility Vehicle 4WD | Small Sport Utility Vehicle 4WD |
| Years covered | 2022–2027 | 2023–2025 |
| Configurations on record | 25 | 13 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
Hyundai Ioniq 5 vs Toyota bZ4X dimensions and size
The Toyota bZ4X is 2 inches longer than the Hyundai Ioniq 5 on a wheelbase 5.9 inches shorter, and 242.5 lbs heavier. Both clear the roughly 200 inches of usable length in a standard single garage bay.
| Dimension | Hyundai Ioniq 5 (2026) | Toyota bZ4X (2025) | Difference |
|---|---|---|---|
| Length | 182.7 in | 184.6 in | 2 in |
| Width (excl. mirrors) | 74.4 in | 73.2 in | 1.2 in |
| Height | 63.4 in | 65 in | 1.6 in |
| Wheelbase | 118.1 in | 112.2 in | 5.9 in |
| Curb weight | 3,968 lbs | 4,211 lbs | 243 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.
Hyundai Ioniq 5 vs Toyota bZ4X: what the numbers mean
Running cost over five years: at the EPA's 15,000-mile-a-year assumption the Hyundai Ioniq 5 burns about $650 of fuel annually against $650 for the Toyota bZ4X. That $0 yearly gap compounds to roughly $0 over five years and $0 over eight — often more than the price difference between two trims of the same vehicle, and the single largest running-cost line item separating these two.
City versus highway split: the Hyundai Ioniq 5 is the stronger commuter at 132 mpg city, while the Toyota bZ4X pulls ahead on the interstate at 107 mpg highway. If most of your driving is stop-and-go traffic the city figure is the one to weigh; for long-distance highway mileage the reverse is true, and the two vehicles effectively swap places depending on how you drive.
Drivetrain and class: the Hyundai Ioniq 5 is offered with Rear-Wheel Drive, All-Wheel Drive, the Toyota bZ4X with Front-Wheel Drive, All-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 Small Sport Utility Vehicle 4WD and Small Sport Utility Vehicle 4WD respectively — the class drives the interior volume, cargo space and passenger space each one is measured against.
Ioniq 5 vs bZ4X: common questions
Which is better on gas, the Hyundai Ioniq 5 or the Toyota bZ4X?
The Toyota bZ4X is the more efficient of the two: it reaches 119 mpg combined versus 115 mpg for the Hyundai Ioniq 5, a 4 mpg advantage and costs about $0 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the Toyota bZ4X runs about $650 a year in fuel at its most efficient configuration, versus about $650 for the Hyundai Ioniq 5 — a difference of roughly $0 per year.
What engines do the Ioniq 5 and bZ4X offer?
Hyundai Ioniq 5: no engine data on record. Toyota bZ4X: no engine data on record.
Are they in the same vehicle class?
Yes — the EPA classifies both the Hyundai Ioniq 5 and the Toyota bZ4X as Small Sport Utility Vehicle 4WD, so they compete directly.
More Ioniq 5 comparisons
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Comparison id: hyundai-ioniq-5-vs-toyota-bz4x