Lexus · 2023
RZ 450e AWD (20 inch Wheels)
✓ EPA Verified
Electric Vehicle
Small Sport Utility Vehicle 4WD
All-Wheel Drive
City
102
MPGe
Combined
95
MPGe
Highway
87
MPGe
Annual Fuel Cost
$800
Based on 15,000 miles/year · EPA estimates
vs avg gas vehicle
$1,350
saved per year
Class Comparison — Small Sport Utility Vehicle 4WD
Top 6%
Better than 94 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 95 MPGe
This vehicle
95 MPGe
Class average
31 MPGe
Class lowest
14 MPGe
EPA Energy & Environment Scores
10
Energy Score
Out of 10
10
GHG Score
Out of 10
0 lbs
Annual CO₂
Zero tailpipe emissions
No
Start-Stop
Regenerative braking
Vehicle Specifications
TransmissionAutomatic (A1)
DriveAll-Wheel Drive
Fuel TypeElectricity
Vehicle ClassSmall Sport Utility Vehicle 4WD
TrimEV
Start-StopNo
EPA Vehicle ID46987

95 MPG combined makes the 2023 Lexus RZ 450e AWD with 20-inch wheels a good choice for luxury buyers who want efficiency. It’s about saving money at the charging station, and it’s about aligning personal values with a premium driving experience. The RZ buyer isn’t just looking for transportation; they’re seeking a statement, a commitment to sustainability packaged in the Lexus brand’s design and reputation for reliability. They are willing to accept certain trade-offs with cargo space and outright performance in exchange for near-silent operation and reduced environmental impact.

City and highway performance

The EPA numbers highlight the RZ 450e’s strengths and weaknesses. A stellar 102 MPG in the city shows the regenerative braking system’s effectiveness in stop-and-go traffic. This is where electric vehicles truly shine, recouping energy that would otherwise be lost as heat in a traditional gasoline engine. The relatively lower 87 MPG on the highway reflects the increased energy needed to overcome aerodynamic drag at higher speeds. Unlike gasoline engines, electric motors don’t have an ideal cruising speed for maximum efficiency. Sustained high speeds drain the battery faster, which accounts for the MPG difference. However, even at 87 MPG, the RZ 450e remains an efficient choice compared to most gasoline-powered luxury SUVs.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2023 Lexus RZ 450e AWD (20-inch wheels) at exactly $800. This figure is based on driving 15,000 miles per year, using a blend of city and highway driving, and relying on the EPA’s MPG estimates combined with national average electricity prices.

Bear in mind that your actual cost may vary depending on your driving habits, local electricity rates, and how often you charge at home versus using public charging stations. Those with access to cheaper off-peak electricity rates will see even greater savings compared to the EPA estimate. This $800 figure shows potential long-term cost savings over a comparable gasoline SUV.

Real-world expectations

While the EPA figures provide a standardized benchmark, real-world mileage can change. External temperatures play an important role in EV efficiency. Colder climates can reduce battery capacity and increase energy consumption due to heating demands. Aggressive driving, frequent use of climate control, and carrying heavy loads can all negatively impact your achieved MPG.

However, conscientious drivers who use the regenerative braking system effectively and pre-condition the battery while plugged in can likely achieve figures close to, or even slightly exceeding, the EPA estimates. It’s all about adapting your driving style to maximize efficiency. Check out RZ MPG across all years.

How it compares

The RZ 450e competes with other electric SUVs in the luxury segment. The Genesis GV60 Performance AWD is rated at 97 MPG combined, offering similar efficiency with a more powerful drivetrain. The Cadillac Lyriq RWD achieves 96 MPG combined, providing a slightly longer range but lacking the RZ’s standard all-wheel drive. The Tesla Model Y Long Range boasts 122 MPG combined.

These comparisons matter because buyers in this segment are cross-shopping these vehicles, weighing factors like brand prestige, features, and driving range alongside fuel economy. While the RZ 450e might not lead in outright efficiency, it offers a blend of luxury, technology, and lower fuel costs that appeals to a specific segment of buyers who are already loyal to the Lexus brand and its known quality.

Tips to maximize efficiency

Pre-conditioning the battery helps optimize its temperature for maximum efficiency, especially in cold weather.

While your RZ is plugged in, use the Lexus app to pre-heat (or pre-cool) the cabin. This reduces the energy draw from the battery while driving, increasing your overall range and fuel economy.

Gentle acceleration and braking are key to maximizing efficiency in any EV. Avoid abrupt starts and stops, and instead, use a light foot on the accelerator. Anticipate traffic flow and coast whenever possible, allowing the regenerative braking system to recapture energy and slow the vehicle down gradually.

Pay attention to tire pressure. Under-inflated tires increase rolling resistance, which reduces fuel economy. Check your tire pressure regularly and maintain the recommended pressure listed on the driver’s side doorjamb to ensure optimal efficiency and tire life.

Minimize the use of energy-intensive features. While the RZ 450e offers advanced features like heated seats and a premium audio system, be mindful of their impact on battery life. Use them carefully, and consider using seat heaters instead of blasting the entire cabin with warm air, as seat heaters consume far less energy.

Explore the different drive modes offered by the RZ 450e. Eco mode prioritizes efficiency by limiting power output and adjusting throttle response. Experiment with different modes to find the balance between performance and efficiency that suits your driving style. Don’t forget to view all Lexus fuel economy data.