Lexus RZ vs Toyota bZ4X: Specs Compared
Also searched as Toyota bZ4X vs Lexus RZ specs — both orientations show this same side-by-side comparison.
The Lexus RZ is the more efficient of the two: it reaches 126 mpg combined versus 119 mpg for the Toyota bZ4X, a 7 mpg advantage and costs about $50 less per year to fuel.
Across 4 measured categories, the Lexus RZ leads in 4. Figures are EPA test data, not manufacturer claims.
2023–2026
Lexus RZ
Small Sport Utility Vehicle 4WD · 16 configurations
2023–2025
Toyota bZ4X
Small Sport Utility Vehicle 4WD · 13 configurations
Head-to-head specifications
| Metric | Lexus RZ | Toyota bZ4X |
|---|---|---|
| Best combined MPG | 126 mpg ✓ | 119 mpg |
| Best city MPG | 137 mpg ✓ | 131 mpg |
| Best highway MPG | 115 mpg ✓ | 107 mpg |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $600 ✓ | $650 |
| Lowest CO2 output | Not available | Not available |
| Engines offered | Not available | Not available |
| Transmissions | Automatic (A1) | Automatic (A1) |
| Drivetrains | Front-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 | 2023–2026 | 2023–2025 |
| Configurations on record | 16 | 13 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
Lexus RZ vs Toyota bZ4X: what the numbers mean
Running cost over five years: at the EPA's 15,000-mile-a-year assumption the Lexus RZ burns about $600 of fuel annually against $650 for the Toyota bZ4X. That $50 yearly gap compounds to roughly $250 over five years and $400 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 and highway economy: the Lexus RZ leads in both cycles — 137 mpg city and 115 mpg highway against 131 and 107 mpg — so its fuel-efficiency advantage holds whether you commute in traffic or cover long highway miles.
Drivetrain and class: the Lexus RZ is offered with Front-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.
RZ vs bZ4X: common questions
Which is better on gas, the Lexus RZ or the Toyota bZ4X?
The Lexus RZ is the more efficient of the two: it reaches 126 mpg combined versus 119 mpg for the Toyota bZ4X, a 7 mpg advantage and costs about $50 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the Lexus RZ runs about $600 a year in fuel at its most efficient configuration, versus about $650 for the Toyota bZ4X — a difference of roughly $50 per year.
What engines do the RZ and bZ4X offer?
Lexus RZ: 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 Lexus RZ and the Toyota bZ4X as Small Sport Utility Vehicle 4WD, so they compete directly.
More RZ comparisons
More bZ4X comparisons
Comparison id: lexus-rz-vs-toyota-bz4x