Nissan · 2021
Sentra 2.0L 4-cyl
✓ EPA Verified
Regular Gasoline
Midsize Cars
Front-Wheel Drive
City
29
MPG
Combined
33
MPG
Highway
39
MPG
Annual Fuel Cost
$1,350
Based on 15,000 miles/year · EPA estimates
vs avg gas vehicle
$800
saved per year
Class Comparison — Midsize Cars
Top 27%
Better than 73 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 33 MPG
This vehicle
33 MPG
Class average
35 MPG
Class lowest
13 MPG
EPA Energy & Environment Scores
7
Energy Score
Out of 10
7
GHG Score
Out of 10
268 lbs
Annual CO₂
g/mile tailpipe CO₂
No
Start-Stop
Not equipped
Vehicle Specifications
Engine2.0L 4-cyl
TransmissionAutomatic (variable gear ratios)
DriveFront-Wheel Drive
Fuel TypeRegular Gasoline
Vehicle ClassMidsize Cars
Engine DescSIDI
Start-StopNo
EPA Vehicle ID43539

The 2021 Nissan Sentra 2.0L 4-cyl gets 33 MPG combined, a good number for a practical sedan that’s a good value. It’s aimed at buyers wanting reliable transportation that’s easy on the wallet. This isn’t a hybrid or a performance car. It’s designed to be an affordable and efficient daily driver, and the fuel economy shows this.

City and highway performance

The Sentra’s EPA ratings are 29 MPG in the city and 39 MPG on the highway. The city figure is okay, but not amazing. Stop-and-go traffic will drop below that number, especially during rush hour. However, the 39 MPG highway number is a real strength. This makes the Sentra a solid choice for commuters who spend lots of time on the open road. The continuously variable transmission (CVT) is tuned to maximize fuel efficiency at higher speeds, which really helps that impressive highway number. While some drivers find CVTs unexciting from a performance point of view, they are good at keeping the engine in its most efficient range.

Annual fuel cost

The EPA estimates an annual fuel cost of $1,350 for the 2021 Nissan Sentra. This is based on driving 15,000 miles per year and using national average fuel prices. Your actual fuel costs will vary based on your driving style, the type of driving you do, and local fuel prices. Cost-conscious car buyers will see that $1,350 figure next to the car’s price, it’s very appealing. It shows real operating economy.

Real-world expectations

EPA estimates give a good baseline, but real-world fuel economy often differs. Most Sentra owners say they get numbers close to the EPA’s combined rating. Those who drive more in the city might see slightly lower numbers, while those who commute mainly on the highway could get more than the 39 MPG estimate. Driving style matters a lot. Quick acceleration and hard braking will hurt fuel economy. Regular maintenance, like keeping tires properly inflated and changing oil on time, also helps keep fuel efficiency at its best. This model isn’t very sensitive to outside temperatures, but using the A/C will lower miles per gallon, so driving with the windows down sometimes will help improve fuel numbers.

How it compares

The 2021 Nissan Sentra competes with other compact sedans like the Honda Civic, Toyota Corolla, and Hyundai Elantra. The Honda Civic LX, for example, gets an EPA-estimated 30 MPG city and 38 MPG highway. The Toyota Corolla LE is around 30 MPG city and 38 MPG highway, pretty close when compared to all Nissan fuel economy data. The Hyundai Elantra SE can get upwards of 33 MPG city and 43 MPG highway, a bit better than the Sentra in both categories. These small differences can change a purchase decision based on fuel efficiency. For example, if a daily commute has more highway miles, the Elantra is a good option. However, other things, like price, features, and reliability, also matter when buying. You can see other SENTRA MPG across all years for comparison. This generation of Sentra values space and comfort. The modest difference in MPG from competitors is often weighed in preference.

Tips to maximize efficiency

Accelerating gently is key to getting the best fuel economy in the Sentra. The CVT is designed to keep the engine at its most efficient RPM range, but quick acceleration makes the engine work harder and use more gas. Press the accelerator slowly and let the transmission adjust to the speed you want.

Keep a steady speed on the highway. Using cruise control on long highway drives can prevent changes in speed that waste gas. Avoid changing lanes too much and keep a safe distance from other cars to avoid braking.

Make sure your tires are properly inflated. Tires that don’t have enough air increase rolling resistance, which lowers fuel economy. Check your tire pressure often and inflate them to the recommended pressure on the sticker inside the driver’s side doorjamb. You should also rotate your tires every 5,000-7,000 miles for even wear.

Reduce extra weight in the car. Carrying extra stuff uses more energy to move the car, lowering fuel economy. Take out anything you don’t need from the trunk and inside the car.