39 MPG combined is impressive for any compact SUV, and it’s a major selling point for the 2023 Lexus NX 350h. This isn’t a bare-bones economy car; it’s a stylish, well-equipped Lexus that offers all-wheel drive and a premium experience while using fuel like a much smaller vehicle. Buyers of the NX 350h typically prioritize efficiency alongside luxury, and they’re willing to pay a premium upfront to save money at the pump and reduce their environmental footprint, without sacrificing the features and comfort they expect. The NX 350h allows them to have both.

City and highway performance

The EPA breaks down the NX 350h’s fuel economy even further, showing its aptitude for both city and highway driving. The 41 MPG city rating is particularly noteworthy, highlighting the benefits of its hybrid powertrain in stop-and-go traffic. The electric motor assists the 2.5L four-cylinder engine, reducing fuel consumption during acceleration and allowing for short periods of all-electric driving at lower speeds. Meanwhile, the 37 MPG highway rating demonstrates that the NX 350h remains efficient even on longer journeys. This relatively small difference between city and highway MPG shows a well-designed hybrid system.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2023 Lexus NX 350h at exactly $1,500. This calculation is based on driving 15,000 miles per year and using the national average fuel price. While actual costs will vary depending on individual driving habits and local fuel prices, this figure provides a useful benchmark for comparing the NX 350h to other vehicles. With the rising cost of gasoline, a fuel-sipping luxury SUV like this delivers substantial savings over time.

Real-world expectations

While the EPA provides a standardized testing protocol, real-world fuel economy can vary. Factors such as driving style, traffic conditions, and weather can all impact MPG. Drivers with a heavy foot or those who frequently drive in hilly terrain may experience slightly lower fuel economy than the EPA estimates. However, even under less-than-ideal conditions, the NX 350h should consistently deliver excellent fuel economy, likely remaining above 35 MPG in most circumstances. The hybrid powertrain is calibrated for efficiency, and the car’s onboard systems actively coach drivers to conserve fuel.

How it compares

In the competitive landscape of compact luxury SUVs, the NX 350h stands out for its exceptional fuel economy. The Acura RDX, for example, achieves only 23 MPG combined, while the BMW X3 xDrive30i manages around 25 MPG. Even other hybrid competitors struggle to match the NX 350h’s efficiency. The Volvo XC60 Recharge plug-in hybrid offers a higher MPGe (miles per gallon equivalent) when running on electric power, but its combined MPG in hybrid mode is lower that what the NX 350h delivers consistently. These MPG differences are significant, especially for buyers who prioritize fuel economy.

Tips to maximize efficiency

Use the NX 350h’s various drive modes. Selecting “Eco” mode will prioritize fuel efficiency by adjusting throttle response and climate control settings. While you may notice a slight reduction in performance, the fuel savings can be worthwhile, especially during city driving.

Gentle acceleration and braking are key to maximizing fuel economy in any hybrid vehicle. Avoid sudden bursts of speed and anticipate traffic conditions to minimize the need for hard braking. This allows the regenerative braking system to capture more energy and recharge the battery.

Pay attention to the energy monitor display on the dashboard. This provides real-time feedback on how the hybrid system is operating and helps you to understand how your driving habits affect fuel economy. Aim to keep the vehicle in electric mode as much as possible at low speeds.

Properly maintain your NX 350h according to the manufacturer’s recommendations. This includes regular oil changes, tire rotations, and air filter replacements. Keeping your vehicle in good condition will ensure that it operates efficiently and delivers optimal fuel economy. Review all Lexus fuel economy data to understand routine Lexus maintenance schedules.

Tire pressure also plays a significant role in fuel efficiency. Ensure that your tires are inflated to the recommended pressure, which can be found on the sticker inside the driver’s side doorjamb. Under-inflated tires increase rolling resistance and reduce fuel economy. For more on this model, explore the range of NX MPG across all years.