Lexus · 2023
NX 250 2.5L 4-cyl
✓ EPA Verified
Regular Gasoline
Small Sport Utility Vehicle 2WD
Front-Wheel Drive
City
26
MPG
Combined
28
MPG
Highway
33
MPG
Annual Fuel Cost
$1,550
Based on 15,000 miles/year · EPA estimates
vs avg gas vehicle
$600
saved per year
Class Comparison — Small Sport Utility Vehicle 2WD
Top 39%
Better than 61 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 28 MPG
This vehicle
28 MPG
Class average
37 MPG
Class lowest
18 MPG
EPA Energy & Environment Scores
6
Energy Score
Out of 10
6
GHG Score
Out of 10
311 lbs
Annual CO₂
g/mile tailpipe CO₂
Yes
Start-Stop
Auto stop-start
Vehicle Specifications
Engine2.5L 4-cyl
TransmissionAutomatic (S8)
DriveFront-Wheel Drive
Fuel TypeRegular Gasoline
Vehicle ClassSmall Sport Utility Vehicle 2WD
Engine DescSIDI & PFI
Start-StopYes
EPA Vehicle ID46143

The 2023 Lexus NX 250’s combined fuel economy of 28 MPG is respectable for its class, even if it won’t break any records. It’s not a hybrid, and it doesn’t try to be. Instead, the NX 250 appeals to buyers who want the Lexus badge, comfort features, and a dependable driving experience without the cost or complexity of other powertrains. These buyers are less interested in squeezing every last drop of fuel and more interested in consistent reliability and a predictable ownership experience.

City and highway performance

The EPA estimates the NX 250 will achieve 26 MPG in the city and 33 MPG on the highway. This reflects the behavior of the 2.5L four-cylinder engine, which performs best when cruising at steady speeds. The eight-speed automatic transmission helps keep the engine in its optimal efficiency range. City driving, with constant stop-and-go, will naturally decrease fuel economy due to increased acceleration and idling, but the NX 250 still manages a competitive result.

Annual fuel cost

According to the EPA, the estimated annual fuel cost for the 2023 Lexus NX 250 is $1,550. This figure is based on driving 15,000 miles per year and using national average fuel prices. Remember that this is just an estimate. Your individual fuel costs will vary depending on your driving habits, the type of roads you frequent, and the price of gasoline in your area. Aggressive driving, extended idling, and consistent use of premium fuel (though not required) will all negatively impact your actual fuel expenses.

Real-world expectations

While the EPA figures provide a useful baseline, real-world MPG can vary. Drivers who primarily stick to highway driving might see figures exceeding the 33 MPG estimate, especially if they drive smoothly and consistently. Those who spend most of their time in stop-and-go city traffic, or those who frequently drive aggressively, might find themselves closer to the 26 MPG city rating, or even slightly below it. The NX 250’s conventional powertrain delivers predictable efficiency, meaning that large differences from the EPA estimates are unlikely unless you’re driving in extreme conditions or driving inefficiently.

How it compares

In the compact luxury SUV category, the NX 250’s fuel economy is near the middle. For example, the Acura RDX, with its turbocharged 2.0L engine, achieves a combined 23 MPG. The BMW X3 sDrive30i gets a slightly better 25 MPG combined. The NX 350h hybrid even sees 39 MPG. Comparisons are important if someone considering an NX is also considering its competitors.

If lower fuel costs are the top priority, hybrid or plug-in hybrid models like the NX 450h+ are a better choice, but they cost more, which not every NX buyer can pay. The NX 250 is the entry point into the Lexus SUV range, and its fuel economy reflects this mainstream positioning. For all Lexus fuel economy data, including hybrid, explore the brand’s entire range. You can consider other models of the NX but also consider the NX MPG across all years.

Tips to maximize efficiency

Smooth, consistent acceleration will give you the best fuel economy in the NX 250. Avoid sudden bursts of acceleration and try to maintain a steady speed whenever possible. The 2.5L engine responds well to a gentle touch on the accelerator pedal, rewarding you with better gas mileage.

Minimize idling. If you anticipate being stopped for more than a minute or two, it’s generally more fuel-efficient to turn off the engine. The NX 250’s engine restarts quickly and smoothly, so there’s little penalty for doing so.

Ensure your tires are properly inflated. Underinflated tires increase rolling resistance, which negatively impacts fuel economy. Check your tires regularly and maintain the recommended pressure, as indicated on the sticker located on the driver’s side doorjamb.

Reduce unnecessary weight. Carrying extra cargo in your NX will reduce fuel economy, as the engine has to work harder to accelerate and maintain speed. Remove any items you don’t need to improve your MPGs.