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2018 INFINITI Q50
#10 Best Luxury Compact Cars of 2018

Used 2018 INFINITI Q50

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2024
2018
Fuel Economy
22 - 29 combined mpg
Horsepower
208 - 400 hp
Engine
3 engines available
Engine Options
  • 4-Cyl, Turbo, 2.0 Liter
  • V6, Hybrid, 3.5 Liter
  • V6, Twin Turbo, 3.0 Liter
Cargo Volume
9.4 - 13.5 cu ft
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2018 INFINITI Q50 Review

Jason Allan

By Jason Allan

Updated December 02, 2019

Our longest-tenured automotive editor, Jason Allan has driven and evaluated just about every meaningful car, truck, SUV, and minivan produced in the past 15+ years. In that same span he’s played key roles in architecting our shopper-focused collection of content that today includes reviews and ratings, awards, news, advice, and more. He currently leads content direction for our editorial team. Prior to joining Kelley Blue Book so long ago, Jason worked as a marketing analyst for Lincoln during the automaker’s short-lived stint in Orange County, and as an award-winning copywriter at a small advertising agency. Jason is a proud alumnus of San Diego State University, where he studied journalism and advertising with a minor in marketing. In his spare time, you’ll find Jason outside enjoying coastal Southern California, watching sports on TV or in person, and/or spending time with friends and family. Both of his kids drive Mazda3 hatchbacks, and one of them has a spotless driving record.

Pros

If you like the idea of a gorgeous and comfortable 4-door with more power and lower sticker prices than more famous European competitors, put the Q50 at the top of your list then try to beat it.

Cons

If you’re a stickler for nuanced driving feel, or you’re mostly in it for the badge, the Infiniti Q50 isn’t likely to set your heart aflame.

What's New?

The current-generation Q50 debuted for the 2014 model year, but has undergone a steady stream of significant enhancements since. Exterior updates this year include revised front and rear styling along with new taillights across the board, with 3.0t Sport and Red Sport 400 models distinguished by a more aggressive front fascia. Interior changes include a new steering wheel, new shift knob and more stitching. The trim grades have also been rethought, with the lineup now divided into Pure, Luxe, Sport and Red Sport 400 versions. And if you were holding out until Infiniti offered the Q50 in a Mocha Almond coating, now’s the time to grab your checkbook and run to the dealer.

The freshly upgraded 2018 Infiniti Q50 remains one of the best values in a highly competitive field of sporty, small luxury sedans. Gorgeous, comfortable and boasting one of the lowest starting prices in its class, Infiniti’s best-selling model also has a distinct power advantage when outfitted with its most popular engine, a 300-horsepower turbocharged V6. There are trade-offs, too, but the 2018 Infiniti Q50 is a better luxury sport sedan than almost any segment shopper needs, even if it doesn’t offer everything everyone wants.

2018 INFINITI Q50 Pricing

2018 INFINITI Q50 pricing starts at $14,235 for the Q50 2.0t PURE Sedan 4D, which had a starting MSRP of $36,195 when new. The range-topping 2018 Q50 RED SPORT 400 Sedan 4D starts at $21,085 today, originally priced from $51,995.

Original MSRP
KBB Fair Purchase Price (national avg.)
$36,195
$14,235
$38,545
$15,350
$40,145
$15,650
$41,645
$17,512
$51,595
$18,403
$51,995
$21,085

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 INFINITI Q50 models in typical condition when purchasing from a dealership. These prices are updated weekly.

Driving the INFINITI Q50

While the sweet spot in the 2018 Infiniti Q50 lineup is the 3.0t — an excellent blend of luxury, performance and value, and the best-selling model in the bunch — our first taste of the updated 2018 Infiniti Q50 took place near the automaker’s U.S. headquarters in Tennessee, where we drove 400-horsepower Q50 Red Sport 400 models exclusively. The Q50’s 2018 update included few dynamic changes, so the car felt familiar. While the added power is entertaining and addictive, the overall performance driving experience isn’t particularly satisfying. Our test vehicles were equipped with Infiniti’s Direct Adaptive Steering, a technically and functionally impressive setup that does more for lower-speed drivability than higher-energy jaunts.

But unless you’re big into carving canyons and demand an unfiltered, telepathic connection between you, the car and the road, the 2018 Infiniti Q50 should be plenty sporty for you. And while it also tips the scales a couple hundred pounds heavier than the segment’s legendary driver’s car, the BMW 3 Series, the Q50 3.0t significantly overpowers its closest competitors with its 300-horsepower rating. In addition to the effortless and confidence-inspiring acceleration afforded by all that power, daily driving highlights include terrific seats and soft touchpoints that help create a palpable sense of luxury. To sit in the Q50 is to sink into it, but just enough to enhance the feelings of both comfort and control.

Interior Comfort

Soft, high-quality materials, a performance-themed gauge cluster and a digitally enhanced, dual-screen center stack all come together in a passenger cabin that’s rich, sporty and contemporary at once. It’s an appealing combination that’s not easy to pull together.

There isn’t a whole lot of personal storage up front — a common theme across the category — but the cup holders are decent in size and placement, and there’s a useful bin under the center armrest.

The 2018 Infiniti Q50 is strong in tech overall, but it’s showing its age in the infotainment department. The lack of Apple CarPlay and Android Auto compatibility is quickly becoming a bigger shortcoming as the list of competitors that offer a couple of our favorite features has grown to include the Acura TLX, Audi A4, BMW 3 Series, Mercedes-Benz C-Class and others (Lexus IS notwithstanding). And while the dual-screen setup is visually impressive, it’s more compelling on paper than in practice. With that said, we like the high-resolution touch screen and find it easy to perform most functions.

Other highlights include an impressive 16-speaker Bose audio system and an Around View Monitor with Moving Object Detection. Using cameras on each side of the vehicle, Infiniti’s Around View Monitor gives you a simulated bird’s-eye view of the vehicle and its surroundings, making it easy to park like a pro. It also gives you a warning if the cameras detect a moving object nearby.

The Infiniti Q50’s rear seat is among the roomier such accommodations in the category, and backseat drivers would be much happier barking suggestions from the back of the Q50 than from the rear quarters of the Lexus IS, for instance. Trunk room is similarly on par with the category, while buyers looking for added cargo flexibility should consider the available 60/40 split-folding rear seatbacks.

Exterior Styling

We’re fans of the Q50’s sporty but substantial look, which has been enhanced for 2018. While the visual updates are comprehensive, the effect is evolutionary on the whole. A key change is further visual differentiation between trim grades, with the Q50 3.0t Sport and Q50 Red Sport 400 now distinguished by a unique face featuring a bolder bumper and wider, lower air intakes.

Favorite Features

DYNAMIC DIGITAL SUSPENSION
The Infiniti Q50’s available adaptive suspension features adjustable dampers that allow you to choose between a more comfortable ride and sportier handling.

V6 POWER
We’re on board with the industry’s move to turbocharged 4-cylinder engines in place of thirstier, heavier 6-cylinder powerplants, but there’s much to be said for the buttery power delivery of a V6.

Standard Features

At its starting sticker price of $34,200, a 2018 Infiniti Q50 2.0t includes a voice-controllable, dual-display infotainment system with 8-inch upper and 7-inch lower touch screens, USB and Bluetooth phone/audio connectivity, backup camera, keyless entry and start-up, leatherette seats, power front seats, dual-zone automatic climate control, 17-inch alloy wheels, HD and satellite radio, plus a full complement of LED headlights, fog lights and taillights.

Factory Options

Infiniti has developed a reputation for introducing innovative technologies, for which the 2018 Q50 is a rolling showcase. In addition to expected optional niceties like real leather seating, upgraded audio and a navigation system, check out the impressive list of driver-assist and safety technologies offered on the Q50:

  • Direct Adaptive Steering
  • Dynamic Digital Suspension
  • Drive Mode Selector
  • Active Lane Control
  • Active Trace Control
  • Intelligent Cruise Control
  • Distance Control Assist
  • Backup Collision Intervention
  • Blind Spot Warning and Intervention
  • Lane Departure Warning and Prevention
  • Forward Emergency Braking
  • Predictive Forward Collision Warning

Engine & Transmission

As you’ll see below, the 2018 Infiniti Q50 has one of the segment’s most comprehensive engine lineups. The bread-and-butter 300-horsepower engine offers more oomph than the competition at that price, and each of the four powertrains is available in conjunction with rear-wheel drive (RWD) or all-wheel drive (AWD).

2018 Infiniti Q50 2.0t
Starting Price: $35,105
Engine: 2.0-liter turbocharged 4-cylinder
Horsepower: 208 hp @ 5,500 rpm
Torque: 258 lb-ft @ 1,500-3,500 rpm
Transmission: 7-speed automatic
Drivetrain: Rear-wheel drive, or all-wheel drive (+$2,000)
RWD Fuel Economy: 25 mpg combined (23 city, 30 highway)
AWD Fuel Economy: 24 mpg combined (22 city, 28 highway)
Base Curb Weights: 3,671 pounds (RWD), 3,803 pounds (AWD)
Base Wheel: 17-inch aluminum-alloy

2018 Infiniti Q50 3.0t — Most Popular Model
Starting Price: $39,855
Engine: 3.0-liter turbocharged V6
Horsepower: 300 hp @ 6,400 rpm
Torque: 295 lb-ft @ 1,600-5,200 rpm
Transmission: 7-speed automatic
Drivetrain: Rear-wheel drive, or all-wheel drive (+$2,000)
RWD Fuel Economy: 25 mpg combined (23 city, 30 highway)
AWD Fuel Economy: 24 mpg combined (22 city, 28 highway)
Base Curb Weights: 3,671 pounds (RWD), 3,803 pounds (AWD)
Base Wheel: 18-inch aluminum-alloy

2018 Infiniti Q50 Hybrid
Starting Price: $51,505
Engine: 3.5-liter V6 + electric motor + lithium ion battery
Net System Horsepower: 360 hp
Transmission: 7-speed automatic
Drivetrain: Rear-wheel drive, or all-wheel drive (+$2,000)
RWD Fuel Economy: 29 mpg combined (27 city, 32 highway)
AWD Fuel Economy: 28 mpg combined (26 city, 30 highway)
Base Curb Weights: 4,015 pounds (RWD), 4,187 pounds (AWD)
Wheels: 19-inch aluminum-alloy

2018 Infiniti Q50 Red Sport 400
Starting Price: $51,905
Engine: High-output 3.0-liter turbocharged V6
Horsepower: 400 hp @ 6,400 rpm
Torque: 350 lb-ft @ 1,600-5,200 rpm
Transmission: 7-speed automatic
Drivetrain: Rear-wheel drive, or all-wheel drive (+$2,000)
RWD Fuel Economy: 22 mpg combined (20 city, 26 highway)
AWD Fuel Economy: 22 mpg combined (19 city, 26 highway)
Base Curb Weights: 3,840 pounds (RWD), 3,993 pounds (AWD)
Wheels: 19-inch aluminum-alloy (staggered width on RWD models)


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2018 INFINITI Q50
KBB.com Consumer Reviews

4.5
Consumer Rating
Based on 94 Consumer Reviews
Write a Review
85%Recommend this vehicle
5
73%
5
73%
4
13%
4
13%
3
4%
3
4%
2
5%
2
5%
1
4%
1
4%
Value
4.4
Performance
4.6
Quality
4.5
Comfort
4.6
Reliability
4.5
Styling
4.7

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2018 INFINITI Q50 Styles

Style
Price
Combined Fuel Economy
Horsepower
Engine
Cargo Capacity
Torque
Curb Weight
2.0t PURE Sedan 4D
$14,235
25 MPG
208 @ 5500 RPM
4-Cyl, Turbo, 2.0 Liter
13.2 cu ft
258 lb-ft
3671 lbs
3.0t LUXE Sedan 4D
$15,650
23 MPG
300 @ 6400 RPM
V6, Twin Turbo, 3.0 Liter
13.5 cu ft
295 lb-ft
3730 lbs
2.0t LUXE Sedan 4D
$15,350
25 MPG
208 @ 5500 RPM
4-Cyl, Turbo, 2.0 Liter
13.2 cu ft
258 lb-ft
3726 lbs
3.0t SPORT Sedan 4D
$17,512
23 MPG
300 @ 6400 RPM
V6, Twin Turbo, 3.0 Liter
13.5 cu ft
295 lb-ft
3774 lbs
Hybrid LUXE Sedan 4D
$18,403
29 MPG
302 @ 6800 RPM
V6, Hybrid, 3.5 Liter
9.4 cu ft
258 lb-ft
4040 lbs
RED SPORT 400 Sedan 4D
$21,085
22 MPG
400 @ 6400 RPM
V6, Twin Turbo, 3.0 Liter
13.5 cu ft
350 lb-ft
3870 lbs
See Full Specs for All 2018 INFINITI Q50 Styles
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2018 INFINITI Q50 Depreciation

A 2018 INFINITI Q50 has depreciated $9,446 or 42% in the last 3 years and has a current resale value of $12,674 and trade-in value of $9,455.

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2018 INFINITI Q50
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2018 INFINITI Q50 Annual Depreciation

Year
Vehicle Depreciation*
Resale Value
Trade-In Value
2022
+ $326
$22,120
$19,076
2023
$2,800
$19,320
$16,179
2024
$4,436
$14,884
$11,647
Now
$2,210
$12,674
$9,455
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2-Year Forecasted Depreciation

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

2018 INFINITI Q50 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
3671 lbs.
EPA Passenger
101.5 cu.ft.
Fuel Capacity
20.0 gallons
Front Head Room
40.2 inches
Front Leg Room
44.5 inches
Max Seating Capacity
5
Minimum Ground Clearance
5.0 inches
Overall Length
189.6 inches
Front Shoulder Room
56.7 inches
Towing Capacity, Maximum
1000 lbs.
Trunk or Cargo Capacity
13.2 cu.ft.
Turning Diameter
36.7 feet
Wheel Base
112.2 inches
Width with mirrors
71.8 inches

Exterior

Alloy Wheels
Available
Fog Lights
Available
Number of Doors
4 doors
LED Headlights
Available

Fuel Economy

City
23 mpg
Highway
30 mpg
Combined
25 mpg

Mechanical

Drivetrain
RWD
Transmission Type
Automatic
7 speed
Available
Recommended Fuel
Premium
Hill Start Assist
Available

Performance

Horsepower
208 @ 5500 RPM
Torque
258 @ 1500 rpm
Engine
4-Cyl, Turbo, 2.0 Liter

Warranty

Basic
4 years / 60000 miles
Powertrain
6 years / 70000 miles
Corrosion
7 years / Unlimited miles

Comfort & Convenience

  • Remote Control Liftgate/Trunk Release

Entertainment

  • MP3 Player
  • Satellite Radio
  • Bluetooth Streaming Audio
  • CD Player

Interior

  • Leather-Wrapped Steering Wheel
  • Rear Window Defroster
  • 12V Power Outlet
  • Power Outlet
  • Steering Wheel Controls
  • Tilt Steering Wheel
  • Tilt/Telescoping Steering Wheel

Seating

  • Dual Power Front Seats
  • Power Driver's Seat

Security

  • Alarm System

Technology

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

2018 INFINITI Q50 Safety

2018 INFINITI Q50 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
Not Available

Crash Test Rating

Provided by the National Highway Traffic Safety Administration
Rollover Rating
5.0

Compare to Similar Vehicles

Used 2018
INFINITI Q50
Used 2018
Audi A3
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Mercedes-Benz CLA
Used 2018
Acura ILX
See Details
Price
$14,235
$13,983
$16,260
$15,129
KBB.com Rating
4.5
4.6
4.6
4.3
Consumer Rating
4.5
4.0
4.5
4.3
Fuel Economy
City 23/Hwy 30/Comb 25 MPG
City 26/Hwy 35/Comb 29 MPG
City 24/Hwy 37/Comb 29 MPG
City 25/Hwy 35/Comb 29 MPG
Fuel Type
Gas
N/A
N/A
N/A
Safety Rating
N/A
5.0
N/A
5.0
Seating Capacity5555
Basic Warranty
4 years or 60000 miles
4 years or 50000 miles
4 years or 50000 miles
4 years or 50000 miles
Horsepower
208 @ 5500 RPM
220 @ 4500 RPM
208 @ 5500 RPM
201 @ 6800 RPM
Engine
4-Cyl, Turbo, 2.0 Liter
4-Cyl, Turbo, 2.0 Liter
4-Cyl, Turbo, 2.0 Liter
4-Cyl, i-VTEC, 2.4 Liter
Drivetrain
RWD
FWD
FWD
FWD

2018 INFINITI Q50 Rankings

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FAQs

Is the 2018 INFINITI Q50 a good vehicle?

Yes, the 2018 INFINITI Q50 is a good car, as reflected by its above-average Kelley Blue Book rating of 4.5 out of 5.

What is the MPG for a 2018 INFINITI Q50?

2018 INFINITI Q50 city/highway fuel economy ratings range from 20/29 mpg to 27/32 mpg, depending on trim and equipment.

How much should a 2018 INFINITI Q50 cost?

Used 2018 INFINITI Q50 prices currently range from $14,235 for the 2.0t PURE Sedan 4D to $21,085 for the RED SPORT 400 Sedan 4D when purchasing from a dealership, depending on a range of factors like equipment, mileage, and condition.

What's the cheapest INFINITI Q50?

The cheapest 2018 INFINITI Q50 is the 2.0t PURE Sedan 4D, with a Kelley Blue Book Fair Purchase Price of $14,235.

Is the 2018 INFINITI Q50 reliable?

The 2018 INFINITI Q50 is part of the 1st-generation Q50, which our owners give an above-average reliability rating of 4.5 out of 5.

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