Lexus RZ vs Mercedes-Benz EQB: Specs Compared
Also searched as Mercedes-Benz EQB 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 107 mpg for the Mercedes-Benz EQB, a 19 mpg advantage and costs about $100 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
2022–2025
Mercedes-Benz EQB
Small Sport Utility Vehicle 4WD · 8 configurations
Head-to-head specifications
| Metric | Lexus RZ | Mercedes-Benz EQB |
|---|---|---|
| Best combined MPG | 126 mpg ✓ | 107 mpg |
| Best city MPG | 137 mpg ✓ | 114 mpg |
| Best highway MPG | 115 mpg ✓ | 100 mpg |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $600 ✓ | $700 |
| 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 | 2022–2025 |
| Configurations on record | 16 | 8 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
Lexus RZ vs Mercedes-Benz EQB: 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 $700 for the Mercedes-Benz EQB. That $100 yearly gap compounds to roughly $500 over five years and $800 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 114 and 100 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 Mercedes-Benz EQB 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 EQB: common questions
Which is better on gas, the Lexus RZ or the Mercedes-Benz EQB?
The Lexus RZ is the more efficient of the two: it reaches 126 mpg combined versus 107 mpg for the Mercedes-Benz EQB, a 19 mpg advantage and costs about $100 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 $700 for the Mercedes-Benz EQB — a difference of roughly $100 per year.
What engines do the RZ and EQB offer?
Lexus RZ: no engine data on record. Mercedes-Benz EQB: no engine data on record.
Are they in the same vehicle class?
Yes — the EPA classifies both the Lexus RZ and the Mercedes-Benz EQB as Small Sport Utility Vehicle 4WD, so they compete directly.
More RZ comparisons
More EQB comparisons
Comparison id: lexus-rz-vs-mercedes-benz-eqb