Audi Q4 e-tron vs Lexus RZ: Specs Compared
Also searched as Lexus RZ vs Audi Q4 e-tron 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 115 mpg for the Audi Q4 e-tron, a 11 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.
2022–2026
Audi Q4 e-tron
Standard Sport Utility Vehicle 4WD · 16 configurations
2023–2026
Lexus RZ
Small Sport Utility Vehicle 4WD · 16 configurations
Head-to-head specifications
| Metric | Audi Q4 e-tron | Lexus RZ |
|---|---|---|
| Best combined MPG | 115 mpg | 126 mpg ✓ |
| Best city MPG | 125 mpg | 137 mpg ✓ |
| Best highway MPG | 104 mpg | 115 mpg ✓ |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $650 | $600 ✓ |
| Lowest CO2 output | Not available | Not available |
| Engines offered | Not available | Not available |
| Transmissions | Automatic (A1) | Automatic (A1) |
| Drivetrains | All-Wheel Drive, Rear-Wheel Drive | Front-Wheel Drive, All-Wheel Drive |
| Fuel types | Electricity | Electricity |
| EPA class | Standard Sport Utility Vehicle 4WD | Small Sport Utility Vehicle 4WD |
| Years covered | 2022–2026 | 2023–2026 |
| Configurations on record | 16 | 16 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
Audi Q4 e-tron vs Lexus RZ: 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 Audi Q4 e-tron. 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 125 and 104 mpg — so its fuel-efficiency advantage holds whether you commute in traffic or cover long highway miles.
Drivetrain and class: the Audi Q4 e-tron is offered with All-Wheel Drive, Rear-Wheel Drive, the Lexus RZ 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 Standard 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.
Q4 e-tron vs RZ: common questions
Which is better on gas, the Audi Q4 e-tron or the Lexus RZ?
The Lexus RZ is the more efficient of the two: it reaches 126 mpg combined versus 115 mpg for the Audi Q4 e-tron, a 11 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 Audi Q4 e-tron — a difference of roughly $50 per year.
What engines do the Q4 e-tron and RZ offer?
Audi Q4 e-tron: no engine data on record. Lexus RZ: no engine data on record.
Are they in the same vehicle class?
The EPA classifies the Audi Q4 e-tron as Standard Sport Utility Vehicle 4WD and the Lexus RZ as Small Sport Utility Vehicle 4WD, so they aren't a like-for-like match on size.
More Q4 e-tron comparisons
More RZ comparisons
Comparison id: audi-q4-e-tron-vs-lexus-rz