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2018 Subaru Legacy
#6 Best Mid-Size Cars of 2018

Used 2018 Subaru Legacy

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2025
2018
Fuel Economy
23 - 29 combined mpg
Horsepower
175 - 256 hp
Engine
2 engines available
Engine Options
  • 4-Cyl, PZEV, 2.5 Liter
  • 6-Cyl, 3.6 Liter
Cargo Volume
15 cu ft
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2018 Subaru Legacy Review

Matt Degen

By Matt Degen

Updated December 02, 2019

Matt Degen is an author specializing in reviewing cars with the goal of helping you find the best one for your needs. Prior to joining Kelley Blue Book in 2012, he was a writer and editor for over a decade at The Orange County Register newspaper. There he covered automobiles, music and food -- all things Matt is passionate about. He holds degrees in Communications and Culinary Arts. When not evaluating vehicles, he is cooking on his YouTube channel.

Pros

If you live where it regularly snows or traction is otherwise compromised, the 2018 Legacy is almost a no-brainer. Other appealing aspects include a starting price just over $23,000 that includes an automatic transmission and standard tech such as Apple CarPlay and Android Auto compatibility.

Cons

If ultra-high fuel economy is your priority, look to a hybrid version of the Camry, Accord, Fusion, Chevrolet Malibu, Kia Optima or Hyundai Sonata. If you want a manual transmission, try the Accord or Mazda6.

What's New?

For 2018, the Subaru Legacy gains new Starlink infotainment systems that include standard Apple CarPlay and Android Auto smartphone integration, and updated grille and interior aesthetics. Revisions to the engine-control unit (ECU) grant smoother acceleration, while other modifications have been made to reduce body roll and interior noise.

The 2018 Subaru Legacy tends to fly under the radar, but a closer look reveals it is a smart choice for many sedan buyers, and the best choice for some. Like nearly every other Subaru, the Legacy’s secret sauce is its all-wheel drive (AWD). While the Legacy has no lack of competitors in better-known rivals like the Honda Accord and Toyota Camry, only one other midsize sedan — the Ford Fusion — even offers AWD. With the Legacy, it’s standard, which makes this Subaru a favorite in cold-weather states. Far from a one-trick pony, the Legacy also has an excellent reputation for efficiency, safety, reliability and resale value. It’s also among the few midsize sedans left to still offer a 6-cylinder engine.

2018 Subaru Legacy Pricing

2018 Subaru Legacy pricing starts at $10,864 for the Legacy 2.5i Sedan 4D, which had a starting MSRP of $23,055 when new. The range-topping 2018 Legacy 3.6R Limited Sedan 4D starts at $14,554 today, originally priced from $32,805.

Original MSRP
KBB Fair Purchase Price (national avg.)
$23,055
$10,864
$25,155
$12,398
$27,205
$12,565
$29,955
$13,872
$32,805
$14,554

The Kelley Blue Book Fair Purchase Price for any individual used vehicle can vary greatly according to mileage, condition, location, and other factors. The prices here reflect what buyers are currently paying for used 2018 Subaru Legacy models in typical condition when purchasing from a dealership. These prices are updated weekly.

Driving the Subaru Legacy

Like all Subarus, the 2018 Legacy uses a "boxer-type” engine, where the pistons are parallel to the ground, instead of in a V or vertical. This puts the weight of the engine lower, giving the Legacy surprisingly nimble handling. The standard 2.5-liter 4-cylinder offers similar power as other 4-cylinder cars in this class, but the continuously variable transmission (CVT) actually makes it feel more responsive than you’d expect from 175 horsepower. Still, it’s no rocket with that engine, and if you need more, the 3.6-liter 6-cylinder available in the Limited offers a more robust 256 horsepower that makes short work of passing and accelerating, albeit at the expense of fuel economy. Around town the Legacy is comfortable and quiet, with a relaxed ride, but it still handles quite well in corners. Kudos also to the driver’s-seat position and outward visibility.

Interior Comfort

Upgraded for 2018, the Legacy sedan offers a contemporary, roomy and comfortable cabin for its five passengers. Updates this year include a new steering wheel and a new color choice: gray, in addition to the existing black and ivory. The Starlink touch-screen infotainment systems gain size — 6.5 inches or 8.0 inches — and speed thanks to a faster CPU. Our back appreciated the 10-way-power adjustable driver’s seat and its impressive lumbar support that is standard on all but base models, while the rear seat has lots of legroom. At exactly 15 cubic feet, the Legacy’s trunk is big.

Exterior Styling

The Legacy’s exterior also gets a light makeover for 2018, most notably in the grille, which now has the Subaru logo and horizontal lines running through the middle. The Legacy remains on the conservative end of the midsize-sedan styling spectrum. It doesn’t have the pizazz of a Kia Optima or the all-new Toyota Camry, but boasts its own sense of confidence and strength. We think it will hold up well over the years. The 2.5i Sport model goes for a slightly more aggressive vibe with a new trunk spoiler and gloss-black grille. Six-cylinder Legacy 3.6R Limited models include dual exhaust outlets.

Favorite Features

CARPLAY AND ANDROID AUTO, STANDARD
These integration systems for Apple and Android phones are becoming increasingly popular on new cars, but they’re not always standard. For the 2018 Subaru Legacy, they are, even on the lowest trim level.

PIN-CODE ACCESS
If you’re an adventurous type who doesn’t want to be encumbered by keys — a surfer or runner, for instance — this feature is for you. It allows you to leave the keys securely locked in the car and regain entry via a passcode on the door.

Standard Features

The least expensive Subaru Legacy 2.5i model includes all-wheel drive with torque vectoring for optimal traction, 6-way manual-adjust driver’s seat, folding rear seats, and a 4-speaker infotainment system with 6.5-inch screen, AM/FM stereo with USB input and Bluetooth connectivity, and Apple CarPlay/Android Auto. For $2,100 more, the 2.5i Premium is more recommendable, adding 10-way-power driver’s seat, dual-zone climate control, 17-inch alloy wheels, heated front seats, heated side mirrors, windshield-wiper de-icer, and upgraded infotainment system with 8-inch display, dual front and rear USB inputs, and 6-speaker audio system with CD player. This trim also offers navigation and Subaru’s EyeSight driver-assist technology.

Factory Options

Continuing the trim climb, Legacy 2.5i Sport models add push-button start, 2-tone interior, power moonroof, auto-dimming rearview mirror, the PIN-code access system (see Favorite Features) and 18-inch wheels. Legacy Limited models venture into premium territory with leather interior, 12-speaker harman/kardon audio system, power front-passenger seat, heated rear seats, and blind-spot monitoring system with rear cross-traffic alert. Optional on all but the base models is the EyeSight system, which adds features like adaptive cruise control, pre-collision braking, and even a system that automatically brakes when in reverse to avoid a collision.

Engine & Transmission

The standard engine in the 2018 Subaru Legacy is a 2.5-liter 4-cylinder that puts out 175 horsepower. The upgrade, available only in top-line Limited models, is a 3.6-liter 6-cylinder with 256 horsepower. Both engines are known as "boxer" configurations, because the pistons are parallel with the ground, and the way they move in and out is similar to a boxer’s fists. It’s more than just a conversation piece though, as this configuration reduces vibration and lowers the Subaru’s center of gravity for a more planted feel. The standard continuously variable automatic transmission (CVT) uses a special shift algorithm, making it feel more like a regular automatic transmission. All models also include steering-wheel-mounted paddles that allow you to shift through six preset gear ratios.

2.5-liter flat-4
175 horsepower @ 5,800 rpm
174 lb-ft of torque @ 4,000 rpm
EPA city/highway fuel economy: 25/34 mpg

3.6-liter flat-6
256 horsepower @ 6,000 rpm
247 lb-ft of torque @ 4,400 rpm
EPA city/highway fuel economy: 20/28 mpg


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APR

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2018 Subaru Legacy
KBB.com Consumer Reviews

4.4
Consumer Rating
Based on 118 Consumer Reviews
Write a Review
85%Recommend this vehicle
5
69%
5
69%
4
19%
4
19%
3
3%
3
3%
2
3%
2
3%
1
5%
1
5%
Value
4.6
Performance
4.2
Quality
4.5
Comfort
4.4
Reliability
4.6
Styling
4.5

Trending Topics in KBB.com Consumer Reviews

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2018 Subaru Legacy Styles

Style
Price
Combined Fuel Economy
Horsepower
Engine
Cargo Capacity
Torque
Curb Weight
2.5i Sedan 4D
$10,864
29 MPG
175 @ 5800 RPM
4-Cyl, PZEV, 2.5 Liter
15 cu ft
174 lb-ft
3470 lbs
2.5i Premium Sedan 4D
$12,398
29 MPG
175 @ 5800 RPM
4-Cyl, PZEV, 2.5 Liter
15 cu ft
174 lb-ft
3459 lbs
2.5i Sport Sedan 4D
$12,565
29 MPG
175 @ 5800 RPM
4-Cyl, PZEV, 2.5 Liter
15 cu ft
174 lb-ft
3492 lbs
2.5i Limited Sedan 4D
$13,872
29 MPG
175 @ 5800 RPM
4-Cyl, PZEV, 2.5 Liter
15 cu ft
174 lb-ft
3523 lbs
3.6R Limited Sedan 4D
$14,554
23 MPG
256 @ 6000 RPM
6-Cyl, 3.6 Liter
15 cu ft
247 lb-ft
3697 lbs
See Full Specs for All 2018 Subaru Legacy Styles
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2018 Subaru Legacy Depreciation

A 2018 Subaru Legacy has depreciated $9,529 or 49% in the last 3 years and has a current resale value of $9,589 and trade-in value of $7,077.

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2018 Subaru Legacy
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2018 Subaru Legacy Annual Depreciation

Year
Vehicle Depreciation*
Resale Value
Trade-In Value
2022
+ $167
$19,118
$16,628
2023
$2,691
$16,427
$14,086
2024
$4,618
$11,809
$9,483
Now
$2,220
$9,589
$7,077
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2-Year Forecasted Depreciation

*Depreciation for the last 12 months of the private party resale value.

2018 Subaru Legacy Depreciation

Annual Depreciation is an estimation of what your vehicle's value might be over time based on an average of similar vehicles. Estimations are calculated by comparing Kelley Blue Book Private Party Values of vehicles similar to yours over time, as well as forecasts from Manheim Auction data comparing current and projected auction values against current Kelley Blue Book Private Party and Trade-In Values. This is not a guarantee of actual depreciation. Local weather conditions, market factors and driver performance will also impact your vehicle's actual depreciation.


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Specifications

Dimensions, Weights & Capacities

Curb Weight
3470 lbs.
EPA Passenger
104.6 cu.ft.
EPA Total Interior
119.6 cu.ft.
Fuel Capacity
18.5 gallons
Front Head Room
40.0 inches
Front Leg Room
42.9 inches
Max Seating Capacity
5
Overall Length
188.8 inches
Front Shoulder Room
58.1 inches
Trunk or Cargo Capacity
15.0 cu.ft.
Turning Diameter
36.8 feet
Wheel Base
108.3 inches

Exterior

Alloy Wheels
Available
Number of Doors
4 doors
Rear Spoiler
Available

Fuel Economy

City
25 mpg
Highway
34 mpg
Combined
29 mpg

Mechanical

Drivetrain
AWD
Transmission Type
Automatic
Recommended Fuel
Regular
Hill Start Assist
Available

Performance

Horsepower
175 @ 5800 RPM
Torque
174 @ 4000 rpm
Engine
4-Cyl, PZEV, 2.5 Liter

Warranty

Basic
3 years / 36000 miles
Powertrain
5 years / 60000 miles
Corrosion
5 years / Unlimited miles

Comfort & Convenience

  • Remote Control Liftgate/Trunk Release
  • Integrated Garage Door Opener

Entertainment

  • iPod Connector
  • iPod Interface
  • Bluetooth Streaming Audio

Interior

  • Power Windows
  • Rear Window Defroster
  • 12V Power Outlet
  • Power Outlet
  • Steering Wheel Controls
  • Tilt Steering Wheel
  • Tilt/Telescoping Steering Wheel

Seating

  • Folding Rear Seat
  • Cloth Seats

Security

  • Alarm System

Technology

  • Bluetooth Wireless Technology
  • Cruise Control
  • Hands Free Phone
  • Remote Keyless Entry
  • Internet Access
  • Remote Engine Start
  • Smartphone Interface
  • Touch Screen Monitor
  • USB Port

2018 Subaru Legacy Safety

2018 Subaru Legacy Safety Technology

  • Child Door Locks
  • Child Seat Anchors
  • Driver Airbag
  • Passenger Airbag
  • Stability Control
  • Traction Control
  • Front Head Curtain Airbag
  • Front Side Airbag
  • Rear Head Curtain Airbag
  • Rear View Camera
5.0

Crash Test Rating

Provided by the National Highway Traffic Safety Administration
Frontal Crash
5.0
Side Barrier
5.0
Rollover Rating
5.0
Side Crash
5.0

Compare to Similar Vehicles

Used 2018
Subaru Legacy
New 2025
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Volkswagen Passat
Used 2018
Hyundai Sonata
See Details
Price
$10,864
$26,380
$11,521
$12,537
KBB.com Rating
4.1
4.0
4.1
4.4
Consumer Rating
4.4
4.6
4.5
4.2
Fuel Economy
City 25/Hwy 34/Comb 29 MPG
City 27/Hwy 35/Comb 30 MPG
City 25/Hwy 36/Comb 29 MPG
City 25/Hwy 35/Comb 28 MPG
Fuel Type
Gas
Gas
N/A
N/A
Safety Rating
5.0
5.0
5.0
5.0
Seating Capacity5555
Basic Warranty
3 years or 36000 miles
3 years or 36000 miles
6 years or 72000 miles
5 years or 60000 miles
Horsepower
175 @ 5800 RPM
182 @ 5800 RPM
184 @ 5000 RPM
185 @ 6000 RPM
Engine
4-Cyl, PZEV, 2.5 Liter
4-Cyl, 2.5 Liter
4-Cyl, Turbo, 2.0 Liter
4-Cyl, 2.4 Liter
Drivetrain
AWD
AWD
FWD
FWD

2018 Subaru Legacy Rankings

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FAQs

Is the 2018 Subaru Legacy a good vehicle?

Yes, the 2018 Subaru Legacy is a good car. Its Kelley Blue Book rating of 4.1 out of 5 is within 10% of our average rating.

What is the MPG for a 2018 Subaru Legacy?

2018 Subaru Legacy city/highway fuel economy ratings range from 20/28 mpg to 25/34 mpg, depending on trim and equipment.

How much should a 2018 Subaru Legacy cost?

Used 2018 Subaru Legacy prices currently range from $10,864 for the 2.5i Sedan 4D to $14,554 for the 3.6R Limited Sedan 4D when purchasing from a dealership, depending on a range of factors like equipment, mileage, and condition.

What's the cheapest Subaru Legacy?

The cheapest 2018 Subaru Legacy is the 2.5i Sedan 4D, with a Kelley Blue Book Fair Purchase Price of $10,864.

Is the 2018 Subaru Legacy reliable?

The 2018 Subaru Legacy is part of the 6th-generation Legacy, which our owners give an above-average reliability rating of 4.6 out of 5.

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