IsItAGoodCar
Reliability Guide

Common Problems with the
2014 Infiniti Q50

The Infiniti Q50 launched in the UK in 2014 as the brand's first credible European offering. Available with a 3.7-litre V6, 3.5-litre V6 hybrid, or later a 2.0-litre turbo four-cylinder, it featured the world's first production steer-by-wire system (Direct Adaptive Steering) and a twin-screen InTouch infotainment setup. The car was well-equipped but its technology was still maturing.

What changed for 2014

  • •UK launch with 3.7 V6 and 3.5 Hybrid powertrains
  • •World-first Direct Adaptive Steering (steer-by-wire)
  • •Twin-screen InTouch infotainment system
  • •Keyless ignition and LED headlights standard

Common MOT watch-outs

  • !DAS steering glitches can require dealer recalibration
  • !Check for smooth gearshifts from the 7-speed automatic
3
Known Issues
1
Serious
2
Moderate
0
Minor

All Known Issues

2.2d Turbo and Injector Issues

SeriousEngine

The Mercedes-sourced 2.1L diesel (2.2d) can suffer from turbocharger actuator failure and piezo-injector leaks as it ages.

Est. Repair Cost: £600–£1,800
Warning Signs:

Loss of power, Black smoke from exhaust, Diesel smell in the cabin, Engine stuttering

What to Inspect:
  • Look for "black death" (carbon buildup) around the injectors under the engine cover
  • Test for smooth power delivery without hesitation
Verified by IsItAGoodCar Research Team

Direct Adaptive Steering (DAS) Glitches

ModerateSteering

The steer-by-wire system can suffer from software bugs or hardware sensor failures. In rare cases, the system can lose its calibration, requiring a complex dealer-level reset.

Est. Repair Cost: £200 (Software) / £2,000+ (Hardware)
Warning Signs:

Steering wheel not straight when driving straight, Warning light on dash, Loss of steering feel/weight

What to Inspect:
  • Perform a series of slow, full-lock turns and ensure the wheel returns to center correctly
  • Check if the car tracks straight on a flat road
Verified by IsItAGoodCar Research Team

Hybrid 12V Battery Parasitic Drain

ModerateElectrics & Electronics

The auxiliary battery on Hybrid models can drain in as little as 10 days if left unused, leaving the car unable to start.

Est. Repair Cost: £150–£250
Warning Signs:

Car won't unlock or start, Multiple warning lights, Infotainment settings lost

What to Inspect:
  • Check the age of the 12V battery
  • Ask the owner if they use a trickle charger
Verified by IsItAGoodCar Research Team

Buying Tips for 2014 Infiniti Q50

  • ✓Early DAS-equipped cars can feel numb; try before you buy
  • ✓The 2.2d diesel arrived later and is the most economical choice
20132015–2016
Check a 2014 Infiniti Q50 by Registration