26 MPG combined places the 2025 Infiniti QX50 2.0L 4-cyl exactly where its mission dictates: a stylish compact luxury SUV that prioritizes accessible refinement over outright performance or ultimate efficiency. This isn’t a vehicle for the mileage obsessive, nor is it a gas guzzler. The QX50 offers a balanced choice for buyers who value its distinctive design, comfortable interior, and advanced technology, understanding that its fuel economy is entirely commensurate with its premium aspirations and standard all-wheel drive.

City and highway performance

The EPA rates the 2025 QX50 at 23 MPG in the city and 29 MPG on the highway. Powering this setup is Infiniti’s innovative 2.0-liter variable-compression turbocharged four-cylinder engine, paired exclusively with an automatic transmission (dubbed AV-S8 by Infiniti, though functionally a continuously variable transmission engineered for enhanced response and simulate gear shifts). In urban environments, the 23 MPG figure is respectable for a luxury compact SUV, particularly given the QX50’s roughly 4,000-pound curb weight and standard all-wheel drive system. The variable compression technology, designed to optimize for both power and efficiency, helps prevent the city numbers from dipping too low, offering a relatively smooth power delivery ideal for stop-and-go scenarios. On the open road, the QX50’s 29 MPG highway rating is a strong performer. The engine settles into a quiet, low-RPM cruise, and the transmission, when not under heavy throttle, operates with impressive smoothness, allowing the QX50 to cover long distances comfortably and without excessive fuel stops. This blend of city and highway efficiency reinforces the QX50’s role as a capable daily driver and a willing road trip companion for individuals or small families who appreciate a finely appointed cabin.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2025 Infiniti QX50 2.0L 4-cyl at $2,250. This figure is derived assuming 15,000 miles of driving per year, with a split of 45% highway and 55% city driving, using national average fuel prices. For a luxury compact SUV in this segment, $2,250 per year falls squarely within expectations. Buyers of the QX50 are not typically prioritizing the absolute lowest running costs, but rather a balance of style, comfort, and acceptable operational expenses. This annual cost is a transparent metric allowing prospective owners to budget for their fuel expenses alongside other premium vehicle ownership costs such as insurance and maintenance. It speaks to a predictable and manageable expense, rather than a prohibitive one, which aligns perfectly with the sensibilities of the QX50 customer.

Real-world expectations

In real-world driving, owners of the 2025 QX50 will find its fuel economy closely aligns with EPA estimates, assuming a typical driving style. Aggressive acceleration and frequent use of the turbocharger will, as always, see those numbers dip slightly, particularly in city driving. The QX50’s 2.0-liter VC-Turbo engine, while innovative, encourages a more measured approach. Its character is one of smooth, accessible torque, not a high-revving, aggressive sprint. Those who appreciate this refined power delivery and drive accordingly will consistently achieve results close to the 26 MPG combined figure. Expecting significantly more would be unrealistic, just as constantly pushing the engine to its limits would likely result in numbers closer to the lower end of the 23 MPG city rating. The QX50 delivers a consistent experience; its fuel economy is a reflection of that composed and character, not a variable that swings wildly based on minor driving habits.

How it compares

The 2025 Infiniti QX50 slots into a highly competitive segment, and its 26 MPG combined figure positions it well amidst its main rivals. The Acura RDX, a close competitor in terms of overall mission and target audience, the 2025 RDX AWD, powered by a 2.0L turbo-four, achieves 23 MPG combined (21 city/27 highway), making the QX50 noticeably more efficient, particularly on the highway. Stepping up to a Lexus NX 350 AWD (2.4L turbo-four) yields 24 MPG combined (21 city/28 highway), again placing the QX50 ahead. Even the more performance-oriented 2025 Audi Q5 45 TFSI quattro, with its 2.0L turbo, manages 26 MPG combined (23 city/29 highway), directly matching the QX50 in overall efficiency. For a buyer specifically seeking maximum efficiency, the Lexus NX 350h (hybrid) offers 39 MPG combined, but that represents a different powertrain strategy and a higher price point. The QX50’s fuel economy profile is strong for a non-hybrid in its class, offering a blend of power, all-wheel-drive capability, and efficiency that often surpasses or matches its direct, conventionally-powered luxury compact SUV competitors. For more information on QX50 MPG across all years, consult our detailed database.

Tips to maximize efficiency

Maintain consistent and moderate speeds, especially on the highway. The VC-Turbo engine is designed to optimize efficiency at steady cruising, so frequent acceleration and deceleration cycles will negate some of its benefits.

Regularly check your tire pressure. Underinflated tires significantly increase rolling resistance, forcing the engine to work harder and directly impacting your observed fuel economy.

Use the QX50’s Eco mode. While it won’t transform the vehicle into a hybrid, Eco mode adjusts throttle response and transmission shift points to encourage a more fuel-efficient driving style.

When approaching traffic lights or stop signs, anticipate and coast rather than accelerating aggressively and then braking hard. This smooth driving technique maintains momentum and reduces unnecessary fuel consumption.

Keep up with your scheduled maintenance. A properly serviced engine, with clean air filters and fresh oil, operates more efficiently than one that is neglected. Owners exploring all Infiniti fuel economy data will find that diligent maintenance is a common thread in achieving optimal results.