The 2024 Lexus RZ 300e with 20-inch wheels achieves 105 MPGe combined. This vehicle is designed for a specific buyer: one who values luxury and smooth electric integration over long range and sporty performance. The RZ 300e isn’t trying to match Tesla’s performance figures; instead, it’s a quiet, well-finished alternative within the Lexus family. Its efficiency is a key feature for those who want to reduce their carbon footprint without giving up the comfort and prestige of a Lexus.

City and highway performance

The RZ 300e excels in city driving, with an EPA-estimated 114 MPGe. This shows the efficiency of electric powertrains in stop-and-go conditions, where regenerative braking reclaims lost energy. The highway rating is 96 MPGe. This difference highlights a common EV trait: decreased efficiency at higher speeds due to aerodynamic drag and fewer regenerative braking opportunities.

Annual fuel cost

The EPA estimates the 2024 Lexus RZ 300e’s annual fuel cost at a low $700. This is based on driving 15,000 miles per year, using the national average electricity cost when tested. This is an estimate, and your actual costs will vary depending on driving habits, charging habits, and local energy prices. Still, the $700 figure highlights the potential savings compared to a gasoline-powered luxury SUV, especially given fluctuating gas prices.

Real-world expectations

The EPA provides a standard measurement. Your MPGe in the RZ 300e will vary. Fast acceleration, frequent climate control, and heavy loads reduce efficiency. But, smooth, consistent driving and pre-conditioning the cabin while plugged in can maximize range and MPGe. Owners who drive mostly in cities and have home charging will likely save the most on fuel costs.

How it compares

The RZ 300e’s 105 MPGe compares well to other electric SUVs. The Genesis GV60 Performance gets 97 MPGe combined, while the Audi Q4 e-tron gets 100 MPGe. The Tesla Model Y Long Range, known for efficiency, gets 122 MPGe. While the Tesla has a higher MPGe, the RZ 300e appeals to buyers seeking Lexus reliability, a luxurious interior, and advanced driver-assistance features. See all Lexus fuel economy data to understand their vehicle efficiency across their lineup. You can also see RZ MPG across all years.

Tips to maximize efficiency

Use the RZ 300e’s regenerative braking. Experiment with different settings and anticipate traffic to recapture energy. By releasing the accelerator early, you increase range and send power to the battery, reducing reliance on friction brakes.

Pre-conditioning the cabin while plugged in saves energy. Heating or cooling it before unplugging ensures the battery isn’t heavily used to reach a comfortable temperature, especially in extreme weather.

Check your tire pressure. Underinflated tires increase rolling resistance, reducing efficiency. Maintain the recommended pressure listed on the driver’s side doorjamb to optimize MPGe and ensure even tire wear. This matters most during seasonal temperature changes.

Reduce use of accessories that draw power. Heated seats, heated steering wheel, and the audio system use energy. Use them sparingly, especially on long drives.