29 MPG combined won’t break any records. But for the 2018 Nissan Sentra with the 1.6L 4-cylinder engine, it’s a reasonable balance of affordability, practicality, and gas mileage. This Sentra isn’t for drivers who want fast performance. It’s better for budget-minded buyers looking for reliability, easy operation, and low running costs. This car is a tool for commutes and errands, not a toy. Buyers aren’t as concerned with the MPG because the overall cost to own it is attractive.

City and highway performance

The EPA estimates are 27 MPG in the city and 33 MPG on the highway. The city number is important because this Sentra is often used for urban driving. Its size and light weight make it easy to maneuver in traffic. The 33 MPG highway number isn’t amazing, but it’s good enough for comfortable longer trips. The continuously variable transmission (CVT), called AV-S7, helps maximize fuel economy, even if the driving feel isn’t always exciting. It prioritizes smooth transitions to keep the engine efficient.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2018 Nissan Sentra 1.6L at $2,000. This is based on 15,000 miles per year and the national average fuel price when the calculation was made. It’s a helpful guide, but individual costs will change depending on driving and local fuel prices. Use this as an estimate, but know that your costs could be higher or lower. Still, $2,000 gives you an idea of what to expect at the pump.

Real-world expectations

The EPA provides a standard, but real-world MPG often differs. Many drivers report numbers close to the EPA estimates when driving conservatively. But fast acceleration, hard braking, and idling can hurt fuel economy. Tire pressure, maintenance, and weather matter too. Owners who want to save gas should drive carefully and maintain their Sentra.

How it compares

The 2018 Sentra 1.6L competes with other compact sedans. The Honda Civic LX with its 2.0L engine gets an EPA-estimated 30 MPG combined, a little better than the Sentra. The Toyota Corolla LE gets around 32 MPG combined, a similar edge. Even the Hyundai Elantra SE with its 2.0L engine offers around 33 MPG combined. For the best MPG, the Nissan Versa is better. Sentra buyers often trade a little fuel economy for the Sentra’s size and better driving feel compared to a small car like the Versa. SENTRA MPG across all years, including data from other generations, shows long-term trends.

Tips to Maximize Efficiency

Avoid fast acceleration. The Sentra’s 1.6L engine isn’t made for quick bursts of speed. Smooth acceleration lets the CVT work better, keeping the engine at the best RPM for gas mileage. Speeding up fast makes the transmission simulate gear changes, which uses more gas.

Keep tires inflated. Low tires increase rolling resistance, making the engine work harder and wasting gas. Check your tire pressure and inflate them to the pressure on the driver’s side doorjamb. This can improve your MPG without hurting ride quality.

Lose extra weight. Extra weight in the car hurts fuel efficiency. Remove anything you don’t need to lighten the load. This matters most in the city, where stop-and-go traffic makes extra weight worse.

Don’t idle. Idling wastes gas without moving. If you’re stopped for more than a minute or two, turn off the engine. Modern engines restart fast, making this an easy way to save gas, especially if you use AC often.

Use cruise control on the highway. Cruise control keeps a steady speed, reducing acceleration and deceleration. This works well on flat roads, improving highway MPG. In hilly areas, it might downshift too much, wasting some gas. For more all Nissan fuel economy data, browse our model pages.