2017 INFINITI QX70

The 2017 INFINITI QX70 is a mid-size luxury SUV known for its sporty handling and distinctive styling. The main engine option is a 3.7-liter V6 producing 325 horsepower and 267 lb-ft of torque, paired with a 7-speed automatic transmission. What people like about the QX70 is its powerful engine, responsive handling, and unique design. Some common dislikes are the limited cargo space, outdated interior, and below-average fuel economy.

Engine

3.7L V6

• Oil Consumption
  • Description/Symptoms: Excessive oil consumption, requiring frequent top-offs between oil changes. Blue smoke from the exhaust may be observed, indicating oil burning.
  • Solution: Repair depends on the cause. Replacing valve stem seals or piston rings may be necessary.
  • Estimated Cost to Fix: $1,500 - $4,000+
  • Recalls: None Found
• Camshaft Position Sensor Failure
  • Description/Symptoms: Check engine light illumination, rough idling, decreased engine performance, and potential stalling.
  • Solution: Replace the faulty camshaft position sensor(s).
  • Estimated Cost to Fix: $200 - $500
  • Recalls: None Found

Transmission

7-Speed Automatic

• Rough Shifting/Slipping
  • Description/Symptoms: Harsh or jerky shifts between gears, slipping during acceleration, and delayed engagement.
  • Solution: A software update or transmission flush may help in some cases. If the problem persists, a transmission rebuild or replacement might be required.
  • Estimated Cost to Fix: $100 (flush) - $4,000+ (rebuild/replacement)
  • Recalls: None Found

Suspension

• Front Strut Failure
  • Description/Symptoms: Clunking or knocking noises from the front suspension, especially when going over bumps. Reduced ride comfort and handling.
  • Solution: Replace the faulty front struts.
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Vehicle fails to start, or the battery frequently needs jump-starting.
  • Solution: Diagnose and repair the source of the drain. Potential culprits include faulty alternators, parasitic draws from aftermarket accessories, or malfunctioning modules.
  • Estimated Cost to Fix: $100 - $500+ (depending on the cause)
  • Recalls: None Found
• Navigation/Infotainment System Issues
  • Description/Symptoms: Freezing, lagging, or malfunctioning navigation and infotainment systems.
  • Solution: Software updates may resolve some issues. Replacement of the head unit might be necessary in more severe cases.
  • Estimated Cost to Fix: $0 (software update) - $1,000+ (replacement)
  • Recalls: None Found

Exterior

• Automatic Hatch Strut Failure
  • Description/Symptoms: Hatch will not stay up, or will not lift on its own
  • Solution: Replace the automatic lift support struts.
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof malfunctions, including failure to open or close properly, excessive noise during operation, or water leaks.
  • Solution: Inspect and lubricate sunroof tracks and seals. Repair or replace damaged components as needed.
  • Estimated Cost to Fix: $100 - $800+
  • Recalls: None Found

Summary

The 2017 INFINITI QX70 has a mix of potential issues. The engine and transmission problems, while not extremely common, can be costly if they occur, especially the potential for oil consumption and rough shifting. Suspension and electrical issues are relatively common across many vehicles, and repair costs are moderate. Interior and exterior issues are relatively uncommon. Overall, a thorough inspection before purchase is recommended, especially focusing on engine oil levels, transmission performance, and the functionality of electrical components and the sunroof.