2023 Nissan Altima SL/SRFuel Economy & MPG Ratings
Real-World MPG
Based on 1 owner report via EPA fueleconomy.gov
Driving mix: City 60% / Highway 40%
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 23.0 real world MPG based on 1 owner report. EPA combined rating is 30 MPG.
Trim Comparison
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic (variable gear ratios) | Regular | 27 | 36 | 30 | $2,250 |
Based on gasoline at $3.67/gal, 15,000 miles/year
vs. average new vehicle
Environment
- CO₂ Tailpipe Emissions
- 287 g/mile
- Annual Petroleum Consumption
- 9.9 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
| State | Gas Price | Annual Cost | vs. National Avg |
|---|---|---|---|
| National AvgEPA default | $4.490/gal | $2,245/yr | — |
| California | $5.957/gal | $2,979/yrHIGHEST | +$734 |
| Texas | $3.888/gal | $1,944/yrLOWEST | $-301 |
| Florida | $4.136/gal | $2,068/yr | $-177 |
| New York | $4.522/gal | $2,261/yr | +$16 |
| Ohio | $4.510/gal | $2,255/yr | +$10 |
| Washington | $5.591/gal | $2,796/yr | +$551 |
| Colorado | $4.618/gal | $2,309/yr | +$64 |
| Minnesota | $4.344/gal | $2,172/yr | $-73 |
| Massachusetts | $4.448/gal | $2,224/yr | $-21 |
Calculated at 15,000 miles/year (EPA standard assumption) using 30 MPG combined. Regular gasoline prices. Actual costs vary.
NHTSA Safety Ratings
Source: NHTSA (nhtsa.gov)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 Probability | 9.2% |
Safety Equipment
Recall History
Source: NHTSA✓No recalls reported for this vehicle.
Owner-Reported Problems27 complaints
Source: NHTSANHTSA has received 27 owner complaints for the 2023 Nissan Altima SL/SR. Top reported issues include electrical system, engine and brakes. The data below is sourced from consumer complaints filed directly with NHTSA.
Problems by System / Component
2023 Nissan Altima SL/SR problems by category: Electrical System: 10 complaints, Engine: 5 complaints, Brakes: 4 complaints, Advanced Safety (ADAS): 4 complaints, Visibility / Wipers: 2 complaints, Speed Control: 1 complaints, Steering: 1 complaints, Seat Belts: 1 complaints.
Sample Owner Complaints
Complaint data is sourced from the NHTSA Complaints Database. Reports are filed by vehicle owners and may not reflect confirmed defects. Last updated via NHTSA API.