Car diagnostics for a 2018 Subaru Legacy
Car diagnostics for the 2018 Subaru Legacy: request it and CarmaCars arranges it with a trusted shop or connect you with one, and we can deliver a rental car to you while yours is in.
- Combined
- 8.3 to 10.3 L/100 km
- Body
- Midsize Cars

A rental while yours is in the shop
A trusted shop does the work and you keep driving while it has your car. We deliver a rental to you, by the day, at our usual rates.
The 2018 Subaru Legacy for car diagnostics
- Body: midsize cars (EPA size class).
2018 Subaru Legacy: every figure
| Figure | Powertrain 1 | Powertrain 2 |
|---|---|---|
| Displacement | 2.5 L | 3.6 L |
| Cylinders | 4 | 6 |
| MPG city (US) | 25 | 20 |
| MPG highway (US) | 34 | 28 |
| MPG combined (US) | 29 | 23 |
| MPG combined (Imperial) (converted from the US figure) | 35 | 28 |
| Luggage volume (litres converted from EPA's cubic feet) | 425 L (15 cu ft) | 425 L (15 cu ft) |
| Fuel cost a year (EPA) (EPA: 15,000 miles at its fuel prices) | US$2,300 | US$2,900 |
| Fuel cost for 20,000 km (at $1.55 a litre) | $2,574 | $3,194 |
Sources: fuel use, MPG, CO2, electric range, battery, charge time, luggage volume and the annual fuel cost are the US EPA's (fueleconomy.gov). Imperial MPG, litres, inches and pounds are converted from those figures. Figures no free source publishes for this car (power, torque, acceleration, top speed, fuel tank, towing) are left out.
What to check when buying the 2018 Subaru Legacy
- NHTSA lists 3 recall campaigns for this model year. Ask the seller for proof each one was fixed; a dealer can check it by the VIN.
- Owners filed 117 complaints with NHTSA, most often about electrical system (41), unknown or other (29) and visibility/wiper (25). Have those parts checked before you buy.
| Campaign | Date | Component | Summary |
|---|---|---|---|
| 21V587000 | 2021-07-29 | fuel system, gasoline:delivery:fuel pump | 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. |
| 18V935000 | 2018-12-31 | visibility:rearview mirrors/devices | 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... |
| 18V773000 | 2018-11-01 | electrical system:software | 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. |
Source: NHTSA (US) recall campaigns and owner complaints for this model year.
The 2018 Subaru Legacy: Car diagnostics
The 2018 Subaru Legacy and a diagnostic check: CarmaCars arranges a trusted shop, and never does the work itself. A warning light is the car asking for a diagnostic scan; the code tells the shop where to look.
Details the shop needs
If you have the service history of your Legacy, have it ready for the shop. Mention the trim and engine in your request; parts differ between them. Tell the shop about any warning light or sound you have noticed. The 2.5L 4-cylinder is what moves it, with all-wheel drive.
How we help
Your request goes to a person, who arranges a trusted shop or gives you its name. You agree the price with the shop before any work starts. The repair is between you and the shop; the rental is with us.
No car? Rent one meanwhile
Rent for as long as the job takes, by the day or the week. A rental from us keeps you moving while the shop has your car. Delivery is priced by distance in your offer, and pickup from us is free.
Between shop visits
Note the mileage when each service is done, so you know when the next is due. Listen for new noises and mention them to the shop with as much detail as you can. Replace wiper blades when they streak; it matters in rain and snow.
What to ask
If you want to see the old parts, ask for them back. Ask whether the parts are new, rebuilt or used. Ask whether the shop needs your keys, the wheel lock key or the spare.
Ask us
Need the work and a rental? One request covers both.
Request car diagnostics
Tell us when suits you. A person replies within one business day and arranges it with a trusted shop or recommends one; the shop sets its own price and time.
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