2021 Nissan Altima SRFuel Economy & MPG Ratings

Gasoline Midsize CarsFront-Wheel Drive
2021 Nissan Altima SR

Photo: Rutger van der Maar. CC BY 2.0. via Wikimedia Commons

City
27
MPG
Highway
37
MPG
Combined
31
MPG

Real-World MPG

Based on 1 owner report via EPA fueleconomy.gov

28.0MPG average-9.7% vs EPA label
EPA combined: 31 MPG · Owner reported avg: 28.0 MPG

Driving mix: City 50% / Highway 50%

Source: EPA fueleconomy.gov “Your MPG” owner submissions. Real-world results vary by driver behavior, conditions, and equipment.

Owner reported MPG for this vehicle averages 28.0 real world MPG based on 1 owner report. EPA combined rating is 31 MPG.

Trim Comparison

Automatic (variable gear ratios)
Regular
City
27
Hwy
37
Comb
31
Fuel cost: $2,200/yr
Annual Fuel Cost
$2,200

Based on gasoline at $3.67/gal, 15,000 miles/year

5-Year Fuel Savings
$1,000

vs. average new vehicle

EPA Fuel Economy Score: 7/10
GHG Score: 7/10

Environment

CO₂ Tailpipe Emissions
290 g/mile
Annual Petroleum Consumption
9.6 barrels

Specifications

Engine
2.5L 4-cyl
Transmission
Automatic
Drivetrain
FWD
Body Style
Sedan
GVWR
Class 1 (≤6,000 lbs)

Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.

Engine & Efficiency Details

Source: EPA fueleconomy.gov

Engine Size
2.5L, 4-cylinder
Induction Type
Direct Injection
Fuel Type
Regular Gasoline

Annual Fuel Cost by State

Prices as of week ending May 18, 2026 · Source: EIA

National AvgEPA default
$4.490/gal$2,173/yr
California
$5.957/gal$2,882/yr
Texas
$3.888/gal$1,881/yr
Florida
$4.136/gal$2,001/yr
New York
$4.522/gal$2,188/yr
Ohio
$4.510/gal$2,182/yr
Washington
$5.591/gal$2,705/yr
Colorado
$4.618/gal$2,235/yr
Minnesota
$4.344/gal$2,102/yr
Massachusetts
$4.448/gal$2,152/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 31 MPG combined. Regular gasoline prices. Actual costs vary.

NHTSA Safety Ratings

Source: NHTSA (nhtsa.gov)
Overall Safety Rating
5/5
2021 Nissan Altima 4 DR AWD

Crash Test Scores

Front Crash — Overall
Front Crash — Driver Side
Front Crash — Passenger Side
Side Crash — Overall
Side Crash — Driver Side
Side Crash — Passenger Side
Side Pole Crash
Rollover
Rollover Probability9.2%

Safety Equipment

Forward Collision Warning: StandardLane Departure Warning: Standard
61
Owner Complaints
2
Recalls
2
Investigations

Recall History2

Source: NHTSA

Related

Nissan Altima SR MPG History
See how this model's fuel economy changed by year

Similar Midsize Cars, 2021

All Nissan Models