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2018 Lexus GS
#8 Best Luxury Mid-Size Cars of 2018

Used 2018 Lexus GS

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2020
2018
Fuel Economy
19 - 31 combined mpg
Horsepower
241 - 467 hp
Engine
4 engines available
Engine Options
  • 4-Cyl, Turbo, 2.0 Liter
  • V6, 3.5 Liter
  • V6, Hybrid, 3.5 Liter
  • V8, 5.0 Liter
Cargo Volume
14 - 18.4 cu ft
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2018 Lexus GS Review

Joe Tralongo

By Joe Tralongo

Updated December 02, 2019

Joe Tralongo is an author specializing in finding those unique aspects of each car that everyday drivers want to know about. He began his career in 2000 as Kelley Blue Book’s first in-house automotive reviewer. After a long career as a freelancer, Joe returned to the Cox Automotive team in 2022 and remains a dedicated part of the KBB team, providing reviews that are both informative and easy to digest. Now living in Montana, Joe continues to enjoy driving and learning about new cars. In his off time, Joe collects and restores classic 1970s American cars.

Pros

Larger than the IS but lacking the bulk and hefty price tag of the LS, the 2018 Lexus GS sedan is the perfect middle child. Powerful, roomy and stylish, the GS also comes with the peace of mind only a Lexus can offer.

Cons

With the exception of the GS F, the rest of the GS line isn’t as driver-oriented as a BMW 5 Series or Cadillac CTS. In a segment known for subtle and sophisticated design, the GS’ daring styling may be too aggressive for some.

What's New?

For 2018, the GS 200t is renamed the GS 300, while the Enform Safety and Service Connect package is made complimentary for the first 10 years. GS F upgrades include All-Speed Cruise Control and Lane Keep Assist.

If you were building the perfect premium-performance sedan, you’d likely want it loaded with abundant luxury and technology, stellar performance credentials and impeccable reliability and resale stats. Luckily, someone has already built such a car, and it’s called the 2018 Lexus GS. As a direct competitor to the BMW 5 Series, Cadillac CTS and Audi A6, Lexus stocks the GS lineup with a wide variety of trims ranging from the quick and efficient 4-cylinder turbocharged GS 300 to the fire-breathing GS F with its 467-horsepower V8. Looking for power and efficiency? Lexus offers a hybrid model in the GS 450h. Those seeking performance on a budget can opt for the F-Sport upgrade offered on three of the GS’ four trim levels.

2018 Lexus GS Pricing

2018 Lexus GS pricing starts at $25,716 for the GS GS 300 Sedan 4D, which had a starting MSRP of $49,270 when new. The range-topping 2018 GS GS F Sedan 4D starts at $48,843 today, originally priced from $86,275.

Original MSRP
KBB Fair Purchase Price (national avg.)
$49,270
$25,716
$52,125
$28,993
$53,285
$26,944
$54,340
$26,662
$64,660
$35,618
$69,705
$38,363
$86,275
$48,843

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 Lexus GS models in typical condition when purchasing from a dealership. These prices are updated weekly.

Driving the Lexus GS

Our time in the V6-powered GS 350 left us with a positive impression of a smart midsize-luxury sedan delivering competent handling, impressive acceleration, a smooth ride and, when equipped with the F-Sport package, thrilling cornering abilities. The GS’ rigid architecture, lightweight aluminum suspension and wide track all aid in the car’s on-road performance, as does the 3-setting Drive Mode (Eco, Normal and Sport) that allows the driver to vary the degree of steering response and throttle input. The F-Sport package opens the door to even better options like Lexus’ Dynamic Handling system. If you’re comparing apples to apples, we’d place the GS slightly below the BMW 5 Series but on par with the ride and handling abilities of the Audi A6 and Jaguar XF.

Interior Comfort

Although edgy on the outside, Lexus’ 2018 GS luxury sedan is all about comfort on the inside. Both front occupants enjoy 10-way-power seats, and LED ambient lighting is integrated into the door ornamentation and the console. Soft leather is everywhere and nice touches and details abound, from “Lexus”-stamped scuff plates on all doorsills to contrast stitching on the upper instrument panel, door panels and shift boot. The attractively shaped instrument panel includes analog Optitron gauges with a color Multi-Information Display and an 8- or 12.3-inch color high-resolution central-control screen that operates with the 2nd-generation Remote Touch Interface (RTI) control function.

Exterior Styling

Not for the shy, the Lexus GS luxury performance sedan is a boldly styled piece of road-going art. It leads with an aggressive front-end treatment with an oversized grille, deep chin spoiler and intense expression. Distinctive headlights and LED taillights fit its sporting image, as do its muscular lines, highly defined shapes and low stance. The GS 350 and 450h are fitted with 18-inch alloy wheels, while the F Sport Package and GS F add 19-inch wheels. Rich and varied paint options are a pleasant departure from the ubiquitous sea of silver, white and black.

Favorite Features

LEXUS SAFETY SYSTEM+
Inattentive driving has led to an upsurge in fender-benders, so it’s nice to know the 2018 GS includes a state-of-the-art driver-assist system featuring a Pre-Collision System, High-Speed Dynamic Radar Cruise Control, Intelligent High Beam and Lane Departure Alert with Steering Assist.

HYBRID POWERTRAIN
The hybrid GS 450h combines the performance and acceleration of a small-block V8 with the fuel economy of a 4-cylinder turbo. The Atkinson-cycle 3.5-liter V6 and electric motor pump out a combined 338 horsepower resulting in faster acceleration times than the GS 350 with a combined city/highway rating of 31 mpg.

Standard Features

The Lexus Safety System+ package comes standard on the GS 300, GS 350 and GS 450h. The state-of-the-art system includes Pre-Collision System Lane Departure Alert with Steering Assist, Intelligent High Beam and High-Speed Dynamic Radar Cruise Control. All 2018 Lexus GS models include leather upholstery (NuLuxe simulated leather on the GS 300), wood/metallic accent trim, power moonroof, multifunction steering wheel and energy-saving S-flow automatic climate control. The standard Lexus Premium Audio System has 12 speakers, AM/FM/DVD with HD Radio and WMA/MP3 capability, Bluetooth streaming, 5.1 Surround Sound and numerous other features.

Factory Options

The 2018 Lexus GS with a Premium Package includes heated and ventilated front seats; a Luxury Package with Adaptive Variable Suspension (AVS), rear audio and climate controls and semi-aniline leather upholstery; a Cold Weather Package with heated steering wheel; and the F Sport Package, which makes any Lexus more fun to drive. It adds a 16-way driver’s sport seat, custom-tuned AVS, bigger wheels, tires and brakes along with Variable Gear Ratio Steering. Stand-alone options include an HDD 12.3-inch Navigation system, power trunk release, an 835-watt, 17-speaker Mark Levinson premium surround-sound audio system and a Head-Up Display.

Engine & Transmission

The 2018 Lexus GS 300 sedan is powered by a twin-scroll 2.0-liter turbocharged engine sending power to the rear wheels via an 8-speed automatic transmission. The GS 350 is powered by a 3.5-liter V6 with dual variable-valve timing with intelligence (VVT-i) and direct fuel injection. In rear-wheel-drive (RWD) models it is matched with an 8-speed automatic transmission and with all-wheel drive (AWD) it has a 6-speed automatic. The hybrid GS 450h employs an Atkinson-cycle version of the 3.5-liter V6, with the Lexus Hybrid Synergy Drive that combines the gasoline engine and the electric motor for a total system output of 338 horsepower. The rear-drive high-performance GS F is equipped with a 5.0-liter V8 engine and an 8-speed automatic with manual shift control.

2.0-liter turbocharged inline-4 (GS 300)
241 horsepower @ 5,800 rpm
258 lb-ft of torque @ 1,650-4,400 rpm
EPA city/highway fuel economy: 22/32 mpg, 21/30 mpg (F-Sport)

3.5-liter V6 (GS 350)
311 horsepower @ 6,400 rpm
280 lb-ft of torque @ 4,800 rpm
EPA city/highway fuel economy: 20/28 mpg (RWD), 19/27 mpg (F-Sport), 19/26 mpg (AWD)

3.5-liter V6 + electric motor and battery pack (GS 450h)
286 horsepower @ 6,000 rpm
180-horsepower electric motor — 338 net system horsepower
254 lb-ft of torque @ 4,600 rpm
EPA city/highway fuel economy: 29/34 mpg

5.0-liter V8 (GS F)
467 horsepower @ 7,100 rpm
389 lb-ft of torque @ 4,800-5,600 rpm
EPA city/highway fuel economy: 16/24 mpg


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2018 Lexus GS
KBB.com Consumer Reviews

4.7
Consumer Rating
Based on 74 Consumer Reviews
Write a Review
90%Recommend this vehicle
5
84%
5
84%
4
8%
4
8%
3
4%
3
4%
2
1%
2
1%
1
3%
1
3%
Value
4.6
Performance
4.7
Quality
4.7
Comfort
4.6
Reliability
4.8
Styling
4.6

Trending Topics in KBB.com Consumer Reviews

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2018 Lexus GS Styles

Style
Price
Combined Fuel Economy
Horsepower
Engine
Cargo Capacity
Torque
0-60
Top Speed
Curb Weight
GS 300 Sedan 4D
$25,716
26 MPG
241 @ 5800 RPM
4-Cyl, Turbo, 2.0 Liter
18.4 cu ft
258 lb-ft
7 seconds
N/A
3805 lbs
GS 350 Sedan 4D
$26,662
23 MPG
311 @ 6400 RPM
V6, 3.5 Liter
18.4 cu ft
280 lb-ft
5.7 seconds
N/A
3726 lbs
GS 350 F SPORT Sedan 4D
$26,944
22 MPG
311 @ 6400 RPM
V6, 3.5 Liter
18.4 cu ft
280 lb-ft
5.7 seconds
N/A
3726 lbs
GS 300 F SPORT Sedan 4D
$28,993
24 MPG
241 @ 5800 RPM
4-Cyl, Turbo, 2.0 Liter
18.4 cu ft
258 lb-ft
7 seconds
N/A
3805 lbs
GS 450h Sedan 4D
$35,618
31 MPG
338 @ 6000 RPM
V6, Hybrid, 3.5 Liter
15.9 cu ft
257 lb-ft
5.6 seconds
N/A
4112 lbs
GS 450h F SPORT Sedan 4D
$38,363
31 MPG
338 @ 6000 RPM
V6, Hybrid, 3.5 Liter
15.9 cu ft
257 lb-ft
5.6 seconds
N/A
4112 lbs
GS F Sedan 4D
$48,843
19 MPG
467 @ 7100 RPM
V8, 5.0 Liter
14 cu ft
389 lb-ft
4.5 seconds
168 mph
4034 lbs
See Full Specs for All 2018 Lexus GS Styles
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Specifications

Dimensions, Weights & Capacities

Curb Weight
3805 lbs.
EPA Passenger
99.0 cu.ft.
Fuel Capacity
17.4 gallons
Front Head Room
38.0 inches
Front Leg Room
42.3 inches
Max Seating Capacity
5
Overall Length
192.1 inches
Front Shoulder Room
57.3 inches
Trunk or Cargo Capacity
18.4 cu.ft.
Wheel Base
112.2 inches
Payload Capacity
815 lbs.

Exterior

Alloy Wheels
Available
Moon Roof/Sun Roof
Available
Number of Doors
4 doors
Power Folding Exterior Mirrors
Available
Privacy Glass
Available
LED Headlights
Available
Rear Spoiler
Available

Fuel Economy

City
22 mpg
Highway
32 mpg
Combined
26 mpg

Mechanical

Drivetrain
RWD
Transmission Type
Automatic
8 speed
Available
Recommended Fuel
Premium
Hill Start Assist
Available
Parking Assist System
Available

Performance

Horsepower
241 @ 5800 RPM
Torque
258 @ 1650 rpm
Engine
4-Cyl, Turbo, 2.0 Liter
0 to 60
7.0 seconds

Warranty

Basic
4 years / 50000 miles
Powertrain
6 years / 70000 miles
Corrosion
6 years / Unlimited miles

Comfort & Convenience

  • Climate Control Air Conditioning
  • Heated Steering Wheel
  • Integrated Garage Door Opener
  • Interior Ambient Lighting

Entertainment

  • Premium Radio
  • Satellite Radio
  • Bluetooth Streaming Audio
  • CD Player

Interior

  • Leather-Wrapped Steering Wheel
  • Power Windows
  • Rear Window Defroster
  • Power Outlet
  • Steering Wheel Controls
  • Tilt Steering Wheel
  • Tilt/Telescoping Steering Wheel

Seating

  • Heated Seats
  • Dual Power Front Seats
  • Power Driver's Seat

Security

  • Alarm System

Technology

  • Bluetooth Wireless Technology
  • Cruise Control
  • Hands Free Phone
  • Navigation System
  • Remote Keyless Entry
  • Audible Text Messaging
  • Internet Access
  • Proximity Sensing Keyless Entry
  • Push-Button Engine Start
  • Remote Engine Start
  • Smartphone Interface
  • USB Port
  • Voice Recognition System

2018 Lexus GS Safety

2018 Lexus GS Safety Technology

  • Child Door Locks
  • Child Seat Anchors
  • Driver Airbag
  • Passenger Airbag
  • Rear Side Airbag
  • Stability Control
  • Traction Control
  • Blind-Spot Alert
  • Driver Knee Airbag
  • Emergency & Security Services
  • Front & Rear Parking Sensors
  • Front Head Curtain Airbag
  • Front Knee Airbag
  • Front Side Airbag
  • Lane Departure Warning System
  • Pedestrian Detection System
  • Rear Head Curtain Airbag
  • Rear Parking Sensors
  • Rear View Camera

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Used 2018
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Audi A7
See Details
Price
$25,588
$20,875
$21,243
$27,014
KBB.com Rating
4.4
3.7
4.7
4.6
Consumer Rating
4.7
4.8
4.2
4.8
Fuel Economy
City 22/Hwy 32/Comb 26 MPG
City 31/Hwy 42/Comb 35 MPG
City 22/Hwy 30/Comb 25 MPG
City 20/Hwy 29/Comb 23 MPG
Fuel Type
Gas
N/A
N/A
N/A
Safety Rating
N/A
N/A
5.0
N/A
Seating Capacity5555
Basic Warranty
4 years or 50000 miles
5 years or 60000 miles
4 years or 50000 miles
4 years or 50000 miles
Horsepower
241 @ 5800 RPM
180 @ 4000 RPM
241 @ 5500 RPM
333 @ 5300 RPM
Engine
4-Cyl, Turbo, 2.0 Liter
4-Cyl, Turbo Diesel, 2.0 Liter
4-Cyl, Turbo, 2.0 Liter
V6, Sprchgd, 3.0L
Drivetrain
RWD
RWD
RWD
AWD

2018 Lexus GS Rankings

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FAQs

Is the 2018 Lexus GS a good vehicle?

Yes, the 2018 Lexus GS is a good car, as reflected by its above-average Kelley Blue Book rating of 4.4 out of 5.

What is the MPG for a 2018 Lexus GS?

2018 Lexus GS city/highway fuel economy ratings range from 16/24 mpg to 29/34 mpg, depending on trim and equipment.

How much should a 2018 Lexus GS cost?

Used 2018 Lexus GS prices currently range from $25,716 for the GS 300 Sedan 4D to $48,843 for the GS F Sedan 4D when purchasing from a dealership, depending on a range of factors like equipment, mileage, and condition.

What's the cheapest Lexus GS?

The cheapest 2018 Lexus GS is the GS 300 Sedan 4D, with a Kelley Blue Book Fair Purchase Price of $25,716.

Is the 2018 Lexus GS reliable?

The 2018 Lexus GS is part of the 4th-generation GS, which our owners give an above-average reliability rating of 4.8 out of 5.

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