2018 Subaru Legacy
The Verdict
Worst problem area
Electrical
Electrical leads by volume: 40 of 117 complaints (34%) mention it.
Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology
Cost, Fuel Economy & Complaint History
| Category | 2018 | 2019 | 2020 | vs. 2018 Midsize Cars |
|---|---|---|---|---|
| Annual fuel cost ($) | 2,150–2,700 | 2,150–2,700 | 2,100–2,300 | |
| Combined MPG | 23–29 | 23–29 | 27–30 | |
| City / Highway MPG | 20–25 / 28–34 | 20–25 / 28–34 | 24–27 / 32–35 | |
| CO₂ tailpipe (g/mi) | 311–387 | 311–387 | 295–330 | |
| Complaints filed | 117 | 123 | 121 | |
| Recalls issued | 3 | 3 | 6 | |
| Crash-involved complaints | 7 | 2 | 1 | |
| Fire-involved complaints | 1 | 1 | 1 | |
| Injuries reported | 1 | 0 | 1 | |
| Deaths reported | 0 | 0 | 0 | |
| Configurations compared | 2 | 2 | 2 |
Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.
Common questions
How many recalls does the 2018 Subaru Legacy have?
3 NHTSA recall campaigns as of Sep 16, 2026. Check your VIN with NHTSA to see whether one applies to your car.
What is the most common complaint about the 2018 Subaru Legacy?
Electrical: 40 of 117 NHTSA complaints (34%) mention it.
What gas mileage does the 2018 Subaru Legacy get?
EPA rates it 23–29 MPG combined across 2 configurations.
How much does it cost to fuel a 2018 Subaru Legacy?
EPA estimates $2,150–$2,700 a year in fuel costs, using EPA's assumptions.
Similar Vehicles
EPA-Rated Configurations (2)
| Configuration | Transmission | Cylinders | Displacement | Drivetrain | Fuel Type | Vehicle Class | City | Highway | Combined | Annual Fuel Cost | CO₂ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration 1 | Automatic (AV-S7) | 4 | 2.5L | All-Wheel Drive | Regular | Midsize Cars | 25 mpg (high) | 34 mpg (high) | 29 mpg (high) | $2,150 (low) | 311 g/mi (low) |
| Configuration 2 | Automatic (AV-S6) | 6 | 3.6L | All-Wheel Drive | Regular | Midsize Cars | 20 mpg (low) | 28 mpg (low) | 23 mpg (low) | $2,700 (high) | 387 g/mi (high) |
Complaints by Category
| Category | Complaints | Crash-Involved | Fire-Involved | Injuries | Deaths |
|---|---|---|---|---|---|
| Engine | 10 | 3 | 0 | 0 | 0 |
| Transmission & Drivetrain | 2 | 0 | 0 | 0 | 0 |
| Fuel System | 8 | 2 | 0 | 0 | 0 |
| Electrical | 40 | 0 | 1 | 0 | 0 |
| Brakes | 7 | 4 | 0 | 0 | 0 |
| Steering | 4 | 0 | 0 | 0 | 0 |
| Suspension, Wheels & Tires | 6 | 1 | 0 | 0 | 0 |
| Airbags & Restraints | 3 | 1 | 0 | 0 | 0 |
| Driver Assistance & Speed Control | 10 | 2 | 0 | 0 | 0 |
| Body, Seats & Latches | 4 | 0 | 0 | 0 | 0 |
| Visibility & Lighting | 34 | 0 | 1 | 0 | 0 |
| Other | 31 | 1 | 1 | 1 | 0 |
A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.
Recalls (3)
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP · Campaign 21V587000 · Jul 30, 2021
Defect: Subaru of America, Inc. (Subaru) is recalling certain 2019-2020 Ascent, 2018 Forester, 2018-2020 Impreza, Legacy, Outback, 2018-2019 BRZ, WRX, and Toyota 86 vehicles. The low-pressure fuel pump inside the fuel tank may fail.
Consequence: Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
Remedy: Dealers will replace the low-pressure fuel pump, free of charge. Owner notification letters were mailed September 24, 2021. Subaru and Toyota owners may call customer service at 1-844-373-6614. Subaru's number for this recall is WRG-21.
VISIBILITY:REARVIEW MIRRORS/DEVICES · Campaign 18V935000 · Jan 31, 2019
Defect: Subaru of America, Inc. (Subaru) is recalling certain 2018 Legacy, Outback, and BRZ vehicles. In the affected vehicles, a software issue may cause the audio display system to not initialize, resulting in the camera display remaining blank. If this occurs, the rearview image will not display while backing up the vehicle. As a result, the vehicles fail to comply with requirements of Federal Motor Vehicle Safety (FMVSS) number 111, "Rearview Mirrors."
Consequence: Failure to display the rearview image while backing up increases the risk of crash.
Remedy: Subaru has notified owners, and dealers will reprogram the audio system display software, free of charge. The recall began on February 5, 2019. Owners may contact Subaru customer service at 1-844-373-6614. Subaru's number for this recall is WTZ-85.
FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM:SOFTWARE · Campaign 18V773000 · Nov 5, 2018
Defect: Subaru of America, Inc. (Subaru) is recalling certain 2018 Subaru Legacy and Outback vehicles. Due to a software error, the low fuel warning light may not illuminate at the intended remaining fuel level and the miles-to-empty display may incorrectly indicate a positive number despite the tank being empty.
Consequence: The inaccurate fuel display may cause a driver to unexpectedly run out of fuel and the vehicle to stall, increasing the risk of a crash.
Remedy: Subaru will notify owners, and dealers will reprogram the combination meter software, free of charge. The recall began February 20, 2019. Owners may contact Subaru customer service at 1-844-373-6614. Subaru's number for this recall is WTW-82.