Info

2017 Infiniti Q50 Sedan

City mpg:
23
Highway mpg:
31

Actual rating will vary with options, driving conditions, habits and vehicle condition.

2017 Infiniti Q50 Sedan Overview

The standard features of the Infiniti Q50 2.0t Base include 2.0L I-4 208hp intercooled turbo engine, 7-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), side seat mounted airbags, curtain 1st and 2nd row overhead airbags, airbag occupancy sensor, automatic air conditioning, 17" aluminum wheels, cruise control, ABS and driveline traction control, electronic stability.

2017 Infiniti
Q50 Sedan

Starting at: $33,950

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Specifications

  • Air conditioning
  • Automatic temperature control
  • Front dual zone A/C
  • Speed control
  • Power windows
  • 1-touch down
  • 1-touch up
  • Remote keyless entry
  • Illuminated entry
  • Tilt steering wheel
  • Telescoping steering wheel
  • Auto-dimming rearview mirror
  • Driver vanity mirror
  • Passenger vanity mirror
  • Garage door transmitter - HomeLink
  • Front beverage holders
  • Rear beverage holders
  • Overhead console
  • Driver door bin
  • Passenger door bin
  • AM/FM radio - SiriusXM
  • CD player
  • MP3 decoder
  • Radio data system
  • Steering wheel mounted audio controls
  • Speakers - 6
  • Wireless phone connectivity - Bluetooth
  • 1st row LCD monitors - 2
  • Primary LCD size - 8.0"
  • Diversity antenna
  • Basic warranty - 48 months/60,000miles
  • Powertrain warranty - 72 months/70,000miles
  • Corrosion perforation warranty - 84 months/ unlimited distance
  • Roadside assistance coverage - 48 months/ unlimited distance
  • Max seating capacity - 5
  • Front seats - bucket
  • Power driver seat
  • Manual driver lumbar support
  • Power passenger seat
  • Front center armrest
  • Rear seats - bench
  • Rear seat center armrest
  • Leather shift knob
  • Leather steering wheel
  • Engine displacement - 2.0 L
  • Engine horsepower - 208hp @ 5,500RPM
  • Engine torque - 258 lb.-ft. @ 1,500RPM
  • Engine bore x stroke - 83.0mm x 92.0mm (3.27" x 3.62")
  • Compression ratio - 9.80 to 1
  • Exterior length - 4,783mm (188.3")
  • Exterior body width - 1,824mm (71.8")
  • Exterior height - 1,443mm (56.8")
  • Wheelbase - 2,850mm (112.2")
  • Front legroom - 1,130mm (44.5")
  • Rear legroom - 892mm (35.1")
  • Front headroom - 1,021mm (40.2")
  • Rear headroom - 953mm (37.5")
  • Front hiproom - 1,351mm (53.2")
  • Rear hiproom - 1,334mm (52.5")
  • Front shoulder room - 1,440mm (56.7")
  • Rear shoulder room - 1,425mm (56.1")
  • Passenger volume - 3,225L (113.9 cu.ft.)
  • Interior cargo volume - 374 L (13 cu.ft.)
  • Interior maximum cargo volume - 374 L (13 cu.ft.)
  • Rear cargo - trunk
  • Power door mirrors
  • Heated door mirrors
  • Turn signal indicator mirrors
  • Tailpipe finisher - chrome
  • Door mirrors - body-color
  • Bumpers - body-color
  • Engine liters - 2.0
  • Compressor - intercooled turbo
  • Cylinder configuration - I-4
  • Horsepower - 208hp @ 5,500RPM
  • Torque - 258 lb.-ft. @ 1,500RPM
  • Number of valves - 16
  • Variable valve control
  • Variable intake manifold
  • Engine location - front
  • Recommended fuel - Premium Unleaded
  • Transmission - 7 speed automatic
  • Mode select transmission
  • Manual-shift auto
  • Drive type - rear-wheel
  • Fuel economy combined - 26mpg
  • Fuel tank capacity - 20.0gal.
  • Fuel economy city - 23mpg
  • Fuel economy highway - 31mpg
  • 4 wheel disc brakes
  • ABS brakes
  • Brake assist
  • Dual front impact airbags
  • Dual front side impact airbags
  • Overhead airbag
  • Occupant sensing airbag
  • Panic alarm
  • Ignition disable
  • Security system
  • Electronic stability
  • Traction control
  • Anti-whiplash front head restraints
  • Four wheel independent suspension
  • Front anti-roll bar
  • Rear anti-roll bar
  • Power steering
  • Speed-sensing steering
  • Alloy wheels
  • Front tires - 225/55VR17.0
  • Rear tires - 225/55VR17.0
  • Wheel size - 17"
  • Fully automatic headlights
  • Delay-off headlights
  • Front fog lights
  • Variably intermittent wipers
  • Rain sensing wipers
  • Speed sensitive wipers
  • Rear window defroster
  • Front reading lights
  • Rear reading lights
  • Display - analog
  • Tachometer
  • Outside temperature display
  • Low tire pressure warning
  • Trip computer
  • Exterior parking camera rear - RearView Monitor yes

Trims

  MSRP Engine Transmission City/Hwy mpg
2.0t Base 2017 Infiniti Q50 Sedan 2.0t Base Search New $33,950   208-hp 2.0L 4-cyl  7-spd auto  23 / 31  
2.0t Base 2017 Infiniti Q50 Sedan 2.0t Base Search New $35,950   208-hp 2.0L 4-cyl  7-spd auto  22 / 28  
2.0t Premium 2017 Infiniti Q50 Sedan 2.0t Premium Search New $38,400   208-hp 2.0L 4-cyl  7-spd auto  23 / 31  
2.0t Premium 2017 Infiniti Q50 Sedan 2.0t Premium Search New $40,400   208-hp 2.0L 4-cyl  7-spd auto  22 / 28  
3.0t Premium 2017 Infiniti Q50 Sedan 3.0t Premium Search New $40,650   300-hp 3.0L 6-cyl  7-spd auto  20 / 29  
2.0t Sport 2017 Infiniti Q50 Sedan 2.0t Sport Search New $42,300   208-hp 2.0L 4-cyl  7-spd auto  23 / 31  
3.0t Premium 2017 Infiniti Q50 Sedan 3.0t Premium Search New $42,650   300-hp 3.0L 6-cyl  7-spd auto  19 / 27  
2.0t Sport 2017 Infiniti Q50 Sedan 2.0t Sport Search New $44,300   208-hp 2.0L 4-cyl  7-spd auto  22 / 28  
3.0t Sport 2017 Infiniti Q50 Sedan 3.0t Sport Search New $44,650   300-hp 3.0L 6-cyl  7-spd auto  20 / 29  
3.0t Sport 2017 Infiniti Q50 Sedan 3.0t Sport Search New $46,650   300-hp 3.0L 6-cyl  7-spd auto  19 / 27  
3.0t Red Sport 2017 Infiniti Q50 Sedan 3.0t Red Sport Search New $48,700   400-hp 3.0L 6-cyl  7-spd auto  20 / 26  
3.0t Red Sport 2017 Infiniti Q50 Sedan 3.0t Red Sport Search New $50,700   400-hp 3.0L 6-cyl  7-spd auto  19 / 26  

Reviews

Driving Impression

Editor:
New Car Test Drive
“”

With 208 horsepower and 258 pound-feet of torque, the base 2.0-liter turbocharged engine doesn’t lack for power.

With the twin-turbocharged V6 engines, the difference between 300 horsepower and 400 hp is mostly in turbo boost, with 8.7 psi available in the regular V6 and 14.7 psi in the faster-spinning Red Sport V6, whose 350 pound-feet of torque (vs 295 lb-ft) is available all the way from 1600 to 5200 rpm. It redlines at an exciting 6400 rpm.

We said the Q50 had brilliant road manners, but that only makes it a close match for its competitors. It stays fairly flat in corners, has quick response from either of its two steering systems, rides comfortably, and is stable at high speed. But when it’s pushed though a curvy canyon, flaws appear. It doesn’t want to take a set in a turn if it’s at the limit of grip. It’s not in the same league as the BWW M3.

And under heavy braking, it shimmies. On the track, not even the bigger Sport brakes are up to the task, as they fade after too few laps. But the 7-speed automatic transmission provides nice throttle-blipped downshifts and remarkably little driveline shock.

The Drive Mode Selector offers a bewildering capability of more than 300 settings to set response from the throttle, steering, transmission, stability control, and suspension. Maybe we just never found the right one.

And the handling can be improved with options. There’s the Dynamic Digital Suspension, with its electronically controlled valves in the dampers, to stiffen the ride in Sport or Sport+ modes. It’s not too firm on the street in those modes, and they reduce body roll, but they also make the car jiggle a bit in the corners.

There’s also the steer-by-wire Direct Adaptive Steering, with seven settings within the Standard and Sport+ modes, for resistance and responsiveness. In Standard mode it feels much like any electric-assist power steering system; it erases some bumps that can jerk the steering wheel, along with some of the feel that makes cornering fun.

In the Sport+ mode, it does what you want it to, but maybe too much. It gets quicker at low speeds, and heavier and slower at higher speeds, for stability. The ratio varies a remarkable amount, between 12:1 and more than 20:1; it’s almost too quick at low speeds, while being darty and too weighty at speed. You might be happier in Standard or Sport mode, while avoiding Sport+. If not avoiding Direct Adaptive Steering altogether.

The base steering in the Red Sport has a 15:1 ratio. It’s noticeably lighter and more natural feeling than the optional DAS.

We haven’t had the chance to drive the 300-horsepower V6, only the terrific 400-horsepower version (that’s 25 hp less than the BMW M3), which is reason alone to buy the Red Sport. It delivers willing power (as it should) and lets out a muffled howl when hammered.

Too bad the Red Sport 400 doesn’t have track-ready hardware, and its Dunlop run-flat summer tires that don’t provide a lot of grip (245/40R19 front, 265/32R19 rear). Even on the road, it’s easy to break the rear tires loose, although stability control saves you.

The Hybrid is also quick, with 360 horsepower from a special version of Infiniti’s 3.5-liter V6 and a 50-kw motor. Its unique dual-clutch hybrid system uses a dry clutch in front of the transmission and motor, with a wet clutch behind it. This smoothes the transmission of power from one source to the other, and allows the car to gently take off on electric power alone; it also shuts off the engine so it glides more.

The throttle response is well coordinated to the clutches, but the braking doesn’t quite measure up, as it gets a bit murky under the pedal, just before the car comes to a complete slow stop.

Walk Around

Editor:
New Car Test Drive
“”

The Q50 is bigger than its rivals, but looks smaller when you stand back. It carries some of the flowing sensuality of the bigger Infiniti Q70 sedan, in its exaggerated curves behind the rear doors that were designed to suggest waves in the sea. The sleek organic shape is reflected by a low 0.26 coefficient of drag, apparently unhindered by the creases in the sheetmetal, especially the two fender lines that meet near the A pillars.

The boomerang brackets in the double-arch grille are like those in the Lexus IS, but their hourglass shape is more in tune with the Q50’s silhouette. The LED lighting is both smooth and aggressive.

Interior Overview

Editor:
New Car Test Drive
“”

A sweeping asymmetric arc runs down the console, keeping the controls focused on the driver and the cabin feeling like a cockpit. However the other side of the arc is dominated by Infiniti’s haphazard InTouch, two touchscreens with redundant hard keys. InTouch replaces most vehicle and infotainment controls with menus on the capacitive-touch displays. The larger touchscreen on top of the dash displays the more common functions, while the smaller screen is used for infotainment and other things.

The Q50’s interior materials are as luxurious as those in a German sedan, and the cabin is as quiet. In fact the engine noise is almost too muted for a sports sedan.

Great front seats follow those in the latest Nissan Altima, using cushion technology learned from NASA, the so-called zero-gravity design. It’s literally space-age, but actually not so much; pinpoint body pressure is simply distributed more evenly, for comfort over long hours in the seat. The Sport model seats have extendable thigh bolsters for the driver.

Rear passengers have more space than is average for the class, but legroom isn’t great, and a six-footer might find his or her head rubbing the ceiling.

The trunk is larger than average, at 18 cubic feet, although the Hybrid loses 3.9 cubic feet to the battery pack, and you can’t get a split-folding rear seat with the Hybrid.

Summary

Editor:
New Car Test Drive
“”

Seven distinct models, seven decision to make. We’ll make it easy, and say stick to the base 2.0t with rear-wheel drive. It’s the cheapest, simplest, and has all the virtues, including looks and powertrain. No one will know you don’t have 400 horsepower under the hood, and even if you did, it wouldn’t match the BMW M3.

Sam Moses contributed to this report.

Model Lineup

Editor:
New Car Test Drive
“”

The 2017 Infiniti Q50 ($33,950) comes standard with leatherette upholstery, dual-zone climate control with micron air filter.

The Sport and Red Sport feature Digital Dynamic Suspension, bigger brakes, 19-inch wheels, leather sport seats, aluminum pedals and magnesium shift paddles. Safety features include surround-view cameras, adaptive cruise control, blind-spot monitors, and forward-collision warning systems with automatic emergency braking.

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