2014 INFINITI Q70

Introduction The 2014 INFINITI Q70 is a luxury sedan known for its sophisticated styling, powerful engines, and advanced technology. It was offered with a range of engine and transmission options:

• 3.7-liter V6 with 7-speed automatic transmission (330 hp, 270 lb-ft torque)
• 5.6-liter V8 with 7-speed automatic transmission (420 hp, 417 lb-ft torque)
• 3.5-liter hybrid V6 with 7-speed automatic transmission (360 hp combined, 258 lb-ft torque)

Commonly praised aspects include its spacious and well-appointed interior, refined ride quality, and responsive handling. However, it has received some criticism for its somewhat unintuitive infotainment system and high fuel consumption.

Engine

3.7-liter V6

• Oil Consumption: Excessive oil consumption has been reported, resulting in decreased engine performance and potential engine damage.
  • Solution: Replacement of piston rings and other internal components
  • Estimated Cost to Fix: $3,000 - $5,000+
  • Recalls: None Found

5.6-liter V8

• Timing Chain Tensioner Failure: Failure of the timing chain tensioner can cause the timing chain to skip or break, leading to severe engine damage.
  • Solution: Replacement of the timing chain tensioner
  • Estimated Cost to Fix: $1,500 - $2,500+
  • Recalls: None Found

Transmission

7-Speed Automatic Transmission

• Harsh Shifting: Rough or delayed shifting has been experienced, particularly during acceleration.
  • Solution: Software updates, transmission fluid replacement, or transmission overhaul
  • Estimated Cost to Fix: $500 - $3,000+
  • Recalls: None Found

Suspension

• Adaptive Suspension Issues: Problems with the adaptive suspension system, including malfunctioning sensors or actuators, can affect ride quality and handling.
  • Solution: Replacement of faulty components
  • Estimated Cost to Fix: $1,000 - $2,000+
  • Recalls: None Found

Electrical

• Battery Discharge: Premature battery discharge has been reported, potentially leaving the vehicle inoperable.
  • Solution: Battery replacement, alternator inspection, or electrical system diagnosis
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found
• Infotainment System Malfunctions: Occasional glitches, touchscreen issues, or software bugs may affect functionality.
  • Solution: Software updates, module replacements, or system overhauls
  • Estimated Cost to Fix: $500 - $2,000+
  • Recalls: None Found

Exterior

• Condensation in Headlights: Moisture accumulation within the headlight assemblies has been reported.
  • Solution: Headlight disassembly and resealing
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Interior

• Ventilated Seat Malfunctions: Issues with the ventilated seat system, such as inoperative fans or malfunctioning controls, have been encountered.
  • Solution: Replacement of seat modules or control units
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found
• Sunroof Rattling: Noises or vibrations coming from the sunroof have been reported, particularly over rough roads.
  • Solution: Adjustment or replacement of sunroof components
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Summary While the 2014 INFINITI Q70 offers impressive performance and luxury, it has experienced various issues that can affect its reliability and ownership experience. Some of the significant concerns include oil consumption in the 3.7-liter V6, timing chain tensioner failure in the 5.6-liter V8, and harsh shifting in the 7-speed transmission. Costs for repairs can be substantial, with some issues requiring major component replacements. It’s recommended to research and consider these potential problems before purchasing a used Q70.