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2014 Infiniti

Q50

Auto (S7), 6 cyl, 3.7 L

Infiniti Q50: best and worst years

Overview

Body
Midsize CarsEPA, from EPA, last updated 6/11/2026
Drivetrain
Rear-Wheel DriveEPA, from EPA, last updated 6/11/2026
Transmission
Automatic (S7)EPA, from EPA, last updated 6/11/2026
Powertrain
GasEPA, from EPA, last updated 6/11/2026
Fuel
PremiumEPA, from EPA, last updated 6/11/2026

Engine & performance

Cyl
6EPA, from EPA, last updated 6/11/2026
Aspiration
Naturally aspiratedEPA, from EPA, last updated 6/11/2026
Start-stop system
NoEPA, from EPA, last updated 6/11/2026

Efficiency

MPG Hwy
29 mpgEPA, from EPA, last updated 6/11/2026
MPG City
20 mpgEPA, from EPA, last updated 6/11/2026
MPG Comb
23 mpgEPA, from EPA, last updated 6/11/2026
Fuel $/yr
$3,350EPA, from EPA, last updated 6/11/2026
CO₂
389 g/miEPA, from EPA, last updated 6/11/2026
Eco Score
6/10EPA, from EPA, last updated 6/11/2026
Smog score
5/10
Elec. Range
0 miEPA, from EPA, last updated 6/11/2026
Real-world MPG
17.7 mpg, reported by 3 driversabout 5.3 mpg below the EPA combined estimate
SmartWay certified
No

Dimensions & capacity

Length
189 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Width
71 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Height
57 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Wheelbase
112 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Curb Weight
3,849 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Pass. Vol
100 ft³EPA, from EPA, last updated 6/11/2026
Cargo Vol
14 ft³EPA, from EPA, last updated 6/11/2026

Safety NHTSA, model year

Overall crash rating
★★★★★
Rollover rating
★★★★★
Stability control (ESC)
Standard
Forward-collision warning
Optional
Lane-departure warning
Optional
Recalls
5
Owner complaints
169
Reported injuries
8
Theft rate
2.0 per 1,000 produced (CY 2014 federal data)

Feature availability

Which features come standard, cost extra, or are locked to a pricier trim arrives with the next data phase. Standard equipment shows here today.

Standard

Reported problems NHTSA owner complaints, model year

  • STEERING31%
  • ELECTRICAL SYSTEM17%
  • POWER TRAIN8%
  • AIR BAGS6%
  • UNKNOWN OR OTHER6%
  • SERVICE BRAKES6%

Source: NHTSA owner complaints, 251 total.

Infiniti Q50: best and worst years

Federal investigations NHTSA defect investigations, model year

  • DP22005opened Jan 27, 2023ELECTRICAL SYSTEM:PROPULSION SYSTEM

    Pedestrian alert sounds

  • EA15004opened Aug 31, 2015AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION

    Occupant Classification System Failure

  • RQ15001opened Mar 18, 2015AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION

    Occupant Classification System Failure

Warranty manufacturer terms, by make

Basic
4 yr / 60k mi
Powertrain
6 yr / 70k mi
Roadside assistance
4 yr
Maintenance
3 yr

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.