With 30 MPG combined, the 2016 Lexus RX 450h AWD is a fuel-sipping standout in the luxury crossover segment. It’s not a sports car promising fast acceleration, and it’s not a strong SUV built for serious off-roading. It’s a hybrid designed to provide a quiet and efficient driving experience, which is a priority for its owners.

City and highway performance

The EPA numbers show that the RX 450h AWD achieves 30 MPG in the city and 28 MPG on the highway. This similar performance shows the hybrid system’s effectiveness. In urban environments, the electric motors do much of the work, allowing the gasoline engine to rest and conserve fuel. On the highway, the conventional engine takes over, but the hybrid system continues to assist during acceleration and deceleration, recouping energy through regenerative braking. This balance is important for buyers who spend a lot of time in stop-and-go traffic or on the open road.

Annual fuel cost

The EPA estimates that the annual fuel cost for the 2016 Lexus RX 450h AWD is $1,950. This is based on driving 15,000 miles per year and using national average fuel prices. The RX 450h uses regular unleaded, so there are no surprises when filling up. This cost, compared to other vehicles in its class, especially those without hybrid technology, makes the RX 450h more appealing.

Real-world expectations

Real-world fuel economy can vary depending on driving habits, terrain, and weather conditions. Owners who accelerate smoothly, avoid hard braking, and use the vehicle’s “Eco” mode will likely get numbers close to the EPA estimates. Aggressive driving, frequent short trips, and harsh weather can hurt fuel efficiency, but the RX 450h’s hybrid system is consistent, delivering good fuel economy across different driving conditions.

How it compares

The 2016 RX 450h AWD’s fuel efficiency differentiates it from many competitors. The non-hybrid RX 350 AWD, for example, achieves only 22 MPG combined. The Acura MDX (non-hybrid) gets around 22 MPG combined, and the BMW X5 xDrive35i typically gets around 20 MPG. The Lexus NX 300h, a smaller Lexus hybrid crossover, achieves 31 MPG combined. For buyers wanting less gas without sacrificing luxury and all-weather capability, the RX 450h AWD is a good choice. You can view RX MPG across all years to see how this generation compares to newer and older versions.

Tips to maximize efficiency

Use the “Eco” driving mode when possible. This mode changes throttle response and climate control settings to improve fuel efficiency, reducing energy consumption without hurting performance too much. It’s helpful in city driving or on gently rolling highways.

Check tire pressure often. Underinflated tires increase rolling resistance, which makes the engine work harder and burn more fuel. Keeping the recommended tire pressure ensures the best fuel economy and extends tire life, saving you money.

Anticipate traffic flow and accelerate and brake smoothly. Avoiding sudden speed changes minimizes energy waste. The RX 450h’s regenerative braking system captures kinetic energy during deceleration, and smooth driving makes it more effective.

Keep idling time to a minimum. Idling consumes fuel without going anywhere. If you’ll be stopped for more than a minute or two, turning off the engine can improve fuel economy, especially in cities. Considering all Lexus fuel economy data, the RX 450h shows that hybrid technology works well in the luxury segment.