EPA Fuel Economy: 32 MPG Combined

The 2026 Nissan Altima 2.5L 4-cyl S delivers an EPA-estimated combined fuel economy rating of 32 miles per gallon, making it a solid choice for drivers seeking reasonable efficiency in the midsize sedan segment. This combined rating reflects a balanced performance across typical driving conditions, combining city and highway miles that represent how most owners actually drive their vehicles.

Powered by a 2.5-liter four-cylinder engine paired with a CVT (Continuously Variable Transmission), the Altima S achieves competitive fuel economy without sacrificing the performance and reliability Nissan is known for. The CVT transmission plays a crucial role in optimizing engine efficiency by automatically adjusting gear ratios for various driving situations, helping the Altima maintain strong fuel economy across different speeds and conditions.

City vs Highway Performance

The 2026 Altima’s EPA ratings show a notable difference between city and highway driving. In city driving, you can expect 28 MPG, which reflects the stop-and-go traffic patterns, acceleration demands, and lower speeds typical of urban environments. Highway driving tells a different story, with an EPA rating of 38 MPG reflecting the vehicle’s efficiency at steady, higher speeds where aerodynamics and engine efficiency shine.

This 10 MPG spread between city and highway performance is typical for modern sedans and demonstrates why your actual fuel economy will vary depending on your driving habits. Drivers who spend most of their time on highways will likely see better overall fuel economy, while those navigating congested city streets regularly should plan around the lower city rating. The CVT transmission helps bridge this gap by continuously optimizing engine performance rather than using fixed gears.

Annual Fuel Cost

Based on EPA estimates of 32 combined MPG, here’s what you can expect to spend on fuel annually:

Annual Fuel Cost Calculation:
Annual mileage: 15,000 miles
Combined MPG: 32
Fuel price: $3.50 per gallon

15,000 miles ÷ 32 MPG = 468.75 gallons needed per year
468.75 gallons × $3.50 per gallon = $1,640.63 annual fuel cost

This calculation assumes average driving of 15,000 miles per year and a fuel price of $3.50 per gallon. Your actual fuel costs will vary based on local gas prices, driving patterns, and how much city versus highway driving you do. Drivers who primarily use highways may see lower annual costs, while those in heavy city traffic could approach or exceed this estimate.

Real-World MPG Expectations

While EPA estimates provide a reliable baseline, real-world fuel economy depends on numerous factors including driving style, vehicle maintenance, load, and traffic conditions. Many 2026 Altima 2.5L owners report fuel economy within 1-3 MPG of EPA estimates under normal driving conditions. However, aggressive acceleration, excessive idling, and poor tire pressure can reduce efficiency significantly.

To achieve fuel economy closer to EPA estimates, maintain consistent speeds, avoid rapid acceleration and braking, keep tires properly inflated at the recommended PSI, and ensure your vehicle receives regular maintenance including air filter changes and engine tune-ups. Cold weather driving can reduce efficiency by 10-15%, as can highway driving in strong headwinds or mountainous terrain.

How It Compares

When evaluating the 2026 Nissan Altima 2.5L S against competitors in the midsize sedan category, its 32 combined MPG rating is competitive. The Honda Accord with a comparable 2.0-liter turbocharged engine achieves approximately 33 combined MPG, while the Toyota Camry with a 2.5-liter engine delivers around 31 combined MPG. The Hyundai Sonata with a 2.5-liter turbocharged engine offers roughly 32 combined MPG as well.

The Altima’s 38 highway MPG rating is particularly strong compared to these competitors, making it an excellent choice for drivers who frequently travel on interstates. While some hybrid variants of competing models offer superior efficiency, the Altima S provides a practical balance between fuel economy, performance, and affordable pricing without the added complexity of hybrid technology.

Tips to Maximize Efficiency

• Maintain Proper Tire Pressure: Check your tire pressure monthly and keep them at the recommended PSI found on the driver’s door jamb. Under-inflated tires increase rolling resistance and reduce fuel economy by up to 3%.
• Drive Smoothly: The CVT transmission operates most efficiently with gradual acceleration and consistent speeds. Avoid jackrabbit starts and maintain steady throttle input whenever possible.
• Keep Up with Maintenance: Regular oil changes, clean air filters, and proper engine tune-ups ensure your 2.5-liter engine runs at peak efficiency. A well-maintained engine can improve fuel economy by 5-10%.
• Remove Excess Weight: Don’t leave heavy cargo in your trunk or roof racks on your vehicle. Extra weight requires more energy to move, directly reducing fuel economy.
• Plan Your Routes: Combining trips and avoiding peak traffic hours helps you spend more time on highways and less time in stop-and-go city driving.

Frequently Asked Questions

Q: Can the 2026 Altima 2.5L S achieve better than 38 MPG on the highway?
A: While 38 MPG is the EPA estimate, some drivers report achieving up to 40 MPG under ideal conditions with careful driving, proper maintenance, and favorable road conditions. However, 38 MPG represents the typical achievable rate.

Q: What type of fuel should I use in the 2026 Altima 2.5L?
A: The 2026 Altima 2.5L is designed for regular unleaded gasoline. Using premium fuel will not improve efficiency or performance.

Q: How does cold weather affect the Altima’s fuel economy?
A: Expect a 10-15% decrease in fuel economy during winter months due to thicker engine oil, increased engine warm-up time, and denser air. Winter tires also have higher rolling resistance.

The 2026 Nissan Altima 2.5L 4-cyl S represents an efficient choice for midsize sedan shoppers seeking reliable fuel economy without premium pricing or hybrid complexity. With its 32 combined MPG rating and strong highway performance, the Altima delivers reasonable operating costs while maintaining the comfort and features expected in its class.