Used 2015 INFINITI Q40

Pros & Cons

  • Generous standard equipment
  • sharp handling
  • muscular engine for the price
  • user-friendly tech interface.
  • Noticeable road and engine noise
  • interior not as luxurious as many rivals
  • limited feature availability
  • firm ride quality.
List Price Range
Not Available

Used Q40 for Sale
None for sale nearby. Instead:
See all for sale

Edmunds' Expert Review

Infiniti has repackaged its old G37 sedan and is now offering it as the 2015 Infiniti Q40. This used to be a pretty compelling luxury sport sedan, but up against newer, more recently updated rivals, it isn't as appealing as it once was.

Vehicle overview

It's not unheard of for an automaker to continue selling an older version of a particular car after a new generation has arrived. There was a Chevrolet Silverado Classic, for instance, and Nissan recently has kept its old Rogue SUV going as the Rogue Select. Now the latest example of automotive repackaging comes from Infiniti. Just when you thought it was gone for good, the Infiniti G37 is back, but with a different name: Q40.

Infiniti is offering the "new" Q40 alongside its actually newer Q50, which would technically be the latest generation of the old G37. And sure enough, there are still some things to like about the 2015 Infiniti Q40. With sporty handling and a strong V6 engine, the Q40 is certainly fun to drive. It's also relatively affordable, as Infiniti has given it a starting price that's thousands less than what you'll have to pay for many popular entry-level luxury sedans.

Unfortunately, when it's compared to 2015 standards, the Q40 isn't as impressive or comparatively luxurious as it once was. Materials quality is only passable and most other entry-level luxury sedans offer a more comfortable ride. From behind the wheel, we like the V6 engine, but many rivals offer more efficient turbocharged four-cylinder base engines these days. The V6 is also noticeably noisy, contributing to the feeling that the Q40 is less refined than its rivals.

In the past, you may have been able to mask a few of these drawbacks by adding optional features, but most of the Q40's options have been eliminated entirely, in favor of one basic model with the option of Navigation and an upgraded sound system. If you want additional features, you'll have to look to Infiniti's Q50 sedan or elsewhere entirely.

Considering the Infiniti Q40's age and limited appeal, we'd recommend looking at some newer entry-level luxury sedans that offer similar value. The 2015 Acura TLX would be a good place to start, as it offers abundant high-tech features, a spacious cabin, good fuel economy and a comfortable ride. The 2015 Audi A3 is much smaller than the Q40, but is more luxurious and refined. If price is less of an issue, the 2015 BMW 3 Series is a class leader that offers a wide range of available engines, straightforward controls and one of the most comfortable rides in the class. And finally, if you want to stay in the Infiniti family, the Q50 is indeed a more modern take on the likable, but ultimately past its prime, Q40.

INFINITI Q40 models

The 2015 Infiniti Q40 is a four-door midsize luxury sedan that seats five. It is available in a single base trim level.

Standard equipment includes 17-inch alloy wheels, automatic xenon headlights, heated mirrors, keyless ignition and entry, cruise control, dual-zone automatic climate control, heated eight-way power front seats, leather upholstery, a tilt-and-telescoping steering wheel, Bluetooth phone connectivity, an auto-dimming rearview mirror, a rearview camera and a six-speaker sound system with a CD player, satellite radio and an iPod/USB interface.

The Navigation Plus package adds a navigation system, traffic reporting, voice controls and a 10-speaker Bose sound system that further adds Bluetooth streaming audio. A sunroof is also available as a stand-alone option.

2015 Highlights

The 2015 Infiniti Q40 is an all-new name for what was previously called the G37 sedan. Naming aside, it returns after a year-long hiatus with essentially the same standard equipment, but much less in the way of options. The old G37's optional Performance wheel package, Interior Accent package and the Sport package have all been eliminated from the lineup, and a manual transmission is no longer available.

Performance & mpg

The 2015 Infiniti Q40 is powered by a 3.7-liter V6 that produces 328 horsepower and 269 pound-feet of torque. A seven-speed automatic and rear-wheel-drive are standard, and all-wheel drive is optional. Based on past Edmunds testing of the G37, expect the Q40 to accelerate from zero to 60 mph in about 5.5 seconds, which would be much quicker than similarly priced competitors. EPA-estimated fuel economy stands at 22 mpg combined (19 city/27 highway) with rear-wheel drive and 20 mpg combined (18/25) with all-wheel drive. Many other competitors offer superior fuel efficiency.


Standard safety equipment on the 2015 Infiniti Q40 includes antilock brakes, stability and traction control, a rearview camera, front side airbags and side curtain airbags. On all-wheel-drive models, a "Snow Mode" helps drivers regulate throttle response over slippery surfaces.


The 3.7-liter V6 in the 2015 Q40 sedan is strong and provides quick acceleration. While we're not fans of the coarse noise the engine makes at higher engine speeds, it has more than enough power to put a smile on your face. That's also true of the car's handling capabilities, as the Q40 attacks turns with aggression and precision. It remains poised and compliant when driven over less than perfect pavement, but newer rivals will feel a bit less firm.

Although some may bemoan the loss of the previously available manual transmission, the seven-speed automatic is mostly faultless and, when shifted manually, provides quick gearchanges via the column-mounted paddle shifters. To the delight of enthusiasts, downshifts are swiftly executed with precise throttle blips to match revs. In testing, however, we've noticed that upshifts, even when in Drive, aren't as smooth as they should be for this class of car.


The Q40 offers user-friendly controls and good build quality, but things don't feel as luxurious on the inside as they once did. Overall, most competitors seem to have higher standards, but considering its price, this Infiniti sedan is relatively appealing.

The front seats are comfortable and supportive, with sufficient headroom in the front and rear seats. The amount of rear seat legroom depends on what you compare the Q40 to. Against smaller, but similarly priced competitors like the Audi A3, it's noticeably more generous. Against similarly sized competitors, the backseat will be average at best. Trunk space, at 13.5 cubic feet, is about average for its class.

You can't get as many up-to-the-minute high-tech features in the Q40, but the electronic features it does have benefit from controls that are well organized and easy to find. Indeed, the combination of physical buttons, touchscreen and the multipurpose knob that controls the myriad audio, climate and navigation controls are likely to be easier to figure out than newer, more advanced systems.


Overallundefined / 5

Consumer reviews

Read what other owners think about the 2015 INFINITI Q40.

Average user rating: 3.9 stars
9 total reviews
5 star reviews: 56%
4 star reviews: 22%
3 star reviews: 0%
2 star reviews: 0%
1 star reviews: 22%

Trending topics in reviews

  • driving experience
  • dashboard
  • comfort
  • road noise
  • value
  • appearance
  • interior
  • maintenance & parts
  • infotainment system
  • fuel efficiency
  • technology
  • reliability & manufacturing quality
  • sound system
  • towing
  • handling & steering
  • emission system

Most helpful consumer reviews

5/5 stars, Happy First Time Buyer
4dr Sedan AWD (3.7L 6cyl 7A)
My first Infiniti and I'm very pleased with my choice of a Q 40. Fast, excellent handling, comfortable, user friendly/intuitive controls, fun to drive, and very affordable for this class of car. Great exhaust note; brings a smile to my face every time I get in the car and start it up!
5/5 stars, infiniti Q50 3.0t
4dr Sedan (3.7L 6cyl 7A)
the new infiniti Q50 3.0t was purchased in late 2018 replacing the 2015 Q40. Although I do miss the Q40 excitement, but this Q50 i smoother ride, fast and more comfy designed for a longer ride and driving.
5/5 stars, Great Fun!
T Walker,
4dr Sedan AWD (3.7L 6cyl 7A)
The Infiniti Q40 is really what used to be the G37. The car handles crisply and when you accelerate you'll think someone snuck a V8 into the engine compartment. It does 0 - 60 in about 5.5 seconds. My previous Infiniti was a G35x, also an excellent car but with under-specd brakes. The Q40 has fixed that issue nicely. Plus fuel economy is decent. I can easily drive from Salt Lake to Las Vegas on a single tank of gas. Overall, I get around 22 mpg.
4/5 stars, Don't be fooled.
Jerry Springfield,
4dr Sedan AWD (3.7L 6cyl 7A)
I read the bad reviews here on this site about this vehicle. Don't be fooled by them. They are quite ridiculous. This is a great vehicle in all categories except technology, and I'm really only saying that because the USB to the audio system is Apple proprietary, so no using your android phone (very disappointing). Other than that, great car.

Features & Specs

4dr Sedan AWD3.7L 6cyl 7A
MPG 18 city / 25 hwy
Seats 5
7-speed shiftable automatic
328 hp @ 7000 rpm
4dr Sedan3.7L 6cyl 7A
MPG 19 city / 27 hwy
Seats 5
7-speed shiftable automatic
328 hp @ 7000 rpm
See all Used 2015 INFINITI Q40 specs & features


NHTSA Overall Rating

The National Highway Transportation Safety Administration offers independent analysis.

Frontal Barrier Crash RatingRating
OverallNot Rated
DriverNot Rated
PassengerNot Rated
Side Crash RatingRating
OverallNot Rated
Side Barrier RatingRating
OverallNot Rated
DriverNot Rated
PassengerNot Rated
Combined Side Barrier & Pole RatingsRating
Front SeatNot Rated
Back SeatNot Rated
Rollover5 / 5
Dynamic Test ResultNo Tip
Risk Of Rollover10.1%


Is the INFINITI Q40 a good car?

The Edmunds experts tested the 2015 Q40 both on the road and at the track. You probably care about INFINITI Q40 fuel economy, so it's important to know that the Q40 gets an EPA-estimated 20 mpg to 22 mpg, depending on the configuration. What about cargo capacity? When you're thinking about carrying stuff in your new car, keep in mind that the Q40 has 13.5 cubic feet of trunk space. And then there's safety and reliability. Edmunds has all the latest NHTSA and IIHS crash-test scores, plus industry-leading expert and consumer reviews to help you understand what it's like to own and maintain a INFINITI Q40. Learn more

Is the INFINITI Q40 reliable?

To determine whether the INFINITI Q40 is reliable, read Edmunds' authentic consumer reviews, which come from real owners and reveal what it's like to live with the Q40. Look for specific complaints that keep popping up in the reviews, and be sure to compare the Q40's average consumer rating to that of competing vehicles. Learn more

Is the 2015 INFINITI Q40 a good car?

There's a lot to consider if you're wondering whether the 2015 INFINITI Q40 is a good car. Safety scores, fuel economy, cargo capacity and feature availability should all be factors in determining whether the 2015 Q40 is a good car for you. Check back soon for the official Edmunds Rating from our expert testing team Learn more

How much should I pay for a 2015 INFINITI Q40?

The least-expensive 2015 INFINITI Q40 is the 2015 INFINITI Q40 4dr Sedan (3.7L 6cyl 7A). Including destination charge, it arrives with a Manufacturer's Suggested Retail Price (MSRP) of about $33,950.

Other versions include:

  • 4dr Sedan AWD (3.7L 6cyl 7A) which starts at $35,550
  • 4dr Sedan (3.7L 6cyl 7A) which starts at $33,950
Learn more

What are the different models of INFINITI Q40?

If you're interested in the INFINITI Q40, the next question is, which Q40 model is right for you? Q40 variants include 4dr Sedan AWD (3.7L 6cyl 7A), and 4dr Sedan (3.7L 6cyl 7A). For a full list of Q40 models, check out Edmunds’ Features & Specs page. Learn more

More about the 2015 INFINITI Q40

Used 2015 INFINITI Q40 Overview

The Used 2015 INFINITI Q40 is offered in the following submodels: Q40 Sedan. Available styles include 4dr Sedan AWD (3.7L 6cyl 7A), and 4dr Sedan (3.7L 6cyl 7A).

What do people think of the 2015 INFINITI Q40?

Consumer ratings and reviews are also available for the 2015 INFINITI Q40 and all its trim types. Overall, Edmunds users rate the 2015 Q40 3.9 on a scale of 1 to 5 stars. Edmunds consumer reviews allow users to sift through aggregated consumer reviews to understand what other drivers are saying about any vehicle in our database. Detailed rating breakdowns (including performance, comfort, value, interior, exterior design, build quality, and reliability) are available as well to provide shoppers with a comprehensive understanding of why customers like the 2015 Q40.

Edmunds Expert Reviews

Edmunds experts have compiled a robust series of ratings and reviews for the 2015 INFINITI Q40 and all model years in our database. Our rich content includes expert reviews and recommendations for the 2015 Q40 featuring deep dives into trim levels and features, performance, mpg, safety, interior, and driving. Edmunds also offers expert ratings, road test and performance data, long-term road tests, first-drive reviews, video reviews and more.

Our Review Process

This review was written by a member of Edmunds' editorial team of expert car reviewers. Our team drives every car you can buy. We put the vehicles through rigorous testing, evaluating how they drive and comparing them in detail to their competitors.

We're also regular people like you, so we pay attention to all the different ways people use their cars every day. We want to know if there's enough room for our families and our weekend gear and whether or not our favorite drink fits in the cupholder. Our editors want to help you make the best decision on a car that fits your life.

What's a good price for a New 2015 INFINITI Q40?

2015 INFINITI Q40 4dr Sedan AWD (3.7L 6cyl 7A)

Which 2015 INFINITI Q40s are available in my area?

Shop Edmunds' car, SUV, and truck listings of over 6 million vehicles to find a cheap new, used, or certified pre-owned (CPO) 2015 INFINITI Q40 for sale near. Simply research the type of car you're interested in and then select a car from our massive database to find cheap vehicles for sale near you. Once you have identified a used vehicle you're interested in, check the AutoCheck vehicle history reports, read dealer reviews, and find out what other owners paid for the 2015 INFINITI Q40.

Can't find a new 2015 INFINITI Q40s you want in your area? Consider a broader search.

Find a new INFINITI for sale - 3 great deals out of 19 listings starting at $19,033.

Why trust Edmunds?

Edmunds has deep data on over 6 million new, used, and certified pre-owned vehicles, including rich, trim-level features and specs information like: MSRP, average price paid, warranty information (basic, drivetrain, and maintenance), features (upholstery, bluetooth, navigation, heated seating, cooled seating, cruise control, parking assistance, keyless ignition, satellite radio, folding rears seats ,run flat tires, wheel type, tire size, wheel tire, sunroof, etc.), vehicle specifications (engine cylinder count, drivetrain, engine power, engine torque, engine displacement, transmission), fuel economy (city, highway, combined, fuel capacity, range), vehicle dimensions (length, width, seating capacity, cargo space), car safety, true cost to own. Edmunds also provides tools to allow shopper to compare vehicles to similar models of their choosing by warranty, interior features, exterior features, specifications, fuel economy, vehicle dimensions, consumer rating, edmunds rating, and color.

Should I lease or buy a 2015 INFINITI Q40?

Is it better to lease or buy a car? Ask most people and they'll probably tell you that car buying is the way to go. And from a financial perspective, it's true, provided you're willing to make higher monthly payments, pay off the loan in full and keep the car for a few years. Leasing, on the other hand, can be a less expensive option on a month-to-month basis. It's also good if you're someone who likes to drive a new car every three years or so.

Check out INFINITI lease specials