The 2025 Lexus NX 250 with its 2.5L 4-cylinder engine gets a combined EPA rating of 28 MPG. This number balances Lexus’s premium refinement with a practical approach to daily efficiency. The NX 250 targets buyers who appreciate a luxurious interior but want practical running costs. These individuals prioritize a quiet driving experience and Lexus reliability, while also watching fuel consumption. They see this 28 MPG as a sensible benchmark for a vehicle that handles urban commutes and highway stretches well.

City and highway performance

The EPA rates the NX 250 at 26 MPG in the city and 33 MPG on the highway. This range is typical for a front-wheel-drive (or all-wheel-drive optional) naturally aspirated four-cylinder engine paired with a smooth automatic (S8) transmission. The 26 MPG city figure reflects the engine and transmission’s ability to manage frequent stop-and-go conditions without consuming too much fuel, partly because of intelligent gear mapping and a relatively modest curb weight for its class. On the open road, the 33 MPG highway rating is impressive, allowing for comfortable long-distance cruising without constant refueling stops. This highway efficiency comes from the engine’s tuning for relaxed, low-RPM operation at highway speeds, which aligns with the NX’s calm character.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2025 Lexus NX 250 2.5L 4-cyl at $1,550. This figure is based on driving 15,000 miles annually, with a mix of city and highway driving, and using national average fuel prices. For many luxury vehicle owners, a yearly fuel expenditure of $1,550 strikes an agreeable balance. It reinforces the NX 250’s position as an accessible luxury choice, offering brand prestige and comforts without high ownership cost. This predictable and relatively low annual fuel outlay means more disposable income for other aspects of a premium lifestyle.

Real-world expectations

In real-world driving, owners of the 2025 Lexus NX 250 2.5L 4-cyl can expect to achieve figures very close to, or even exceeding, the EPA estimates if they drive reasonably. The naturally aspirated engine is less susceptible to dramatic drops in efficiency compared to some turbocharged or high-performance powertrains when driven with enthusiasm. For city drivers in heavy traffic, the 26 MPG city might be a slight best-case, but careful acceleration and anticipating stops will help. On the highway, maintaining a steady speed and using cruise control on flatter terrain often sees drivers easily hit or surpass 33 MPG. This vehicle rewards a smooth, unhurried driving style with its best fuel economy performance, which aligns with its relaxed luxury character. Browsing all Lexus fuel economy data reveals a consistent brand approach to balancing luxury and efficiency.

How it compares

The 2025 Lexus NX 250 2.5L 4-cyl holds its own well in the luxury compact SUV segment when it comes to fuel economy. The Audi Q3 40 TFSI is rated at 24 MPG combined (22 city / 29 highway); its smaller 2.0L turbo engine actually trails the NX 250’s larger naturally aspirated unit. The BMW X1 xDrive28i, with its more potent 2.0L turbo, also comes in lower at 28 MPG combined (24 city / 31 highway), matching the NX 250’s combined but having lower city and highway figures. Even the Mercedes-Benz GLA 250, a lighter and sportier offering, achieves 28 MPG combined (24 city / 34 highway). This shows the NX 250’s competitive edge particularly in city driving. For buyers prioritizing natural aspiration and the famous Lexus smoothness over forced induction power, the NX 250’s efficiency looks strong. Examining NX MPG across all years shows a clear lineage of competitive efficiency.

Tips to maximize efficiency

Maintain a steady, light foot on the accelerator. The 2.5L naturally aspirated engine responds well to gentle inputs, allowing the automatic (S8) transmission to shift smoothly and keep the engine in its most efficient power band. Aggressive acceleration and hard braking are the quickest ways to diminish your practical fuel economy in any vehicle, especially this one.

Regularly check your tire pressure. Proper tire inflation is a simple and often overlooked factor in fuel economy. Underinflated tires increase rolling resistance, forcing the engine to work harder and consume more fuel. Adhere to the manufacturer’s recommended pressure found on the driver’s side door jamb.

Anticipate traffic and stops. Look ahead and ease off the accelerator early when approaching red lights or slowing traffic. This allows the vehicle to coast, conserving momentum and reducing the need for heavy braking and subsequent re-acceleration, which are fuel-intensive.

Limit unnecessary cargo and roof racks. Every extra pound the NX 250 carries reduces its efficiency, particularly in city driving where acceleration is frequent. Similarly, roof racks and cargo carriers create aerodynamic drag, significantly impacting highway MPG even when empty.

Use cruise control on the highway. Maintaining a consistent speed prevents unnecessary acceleration and deceleration, which are typically less efficient than steady-state cruising. The NX 250’s smooth powertrain makes it an ideal companion for long, relaxed highway journeys where cruise control can truly shine.