2017 INFINITI Q70

The 2017 INFINITI Q70 is a mid-size luxury sedan offering a blend of comfort, performance, and distinctive styling. Engine options for the 2017 Q70 include a 3.7-liter V6 producing 330 horsepower and 270 lb-ft of torque, a 5.6-liter V8 generating 420 horsepower and 417 lb-ft of torque, and a hybrid powertrain pairing a 3.5-liter V6 with an electric motor. All engines are paired with a 7-speed automatic transmission. Owners generally appreciate the Q70’s spacious interior, smooth ride, and powerful engine options, particularly the V8. Common criticisms include the dated infotainment system and less-than-stellar fuel economy compared to competitors.

Engine

3.7L V6

• Timing Chain Tensioner Failure
  • Description/Symptoms: Rattling noise upon startup, especially when cold. Can lead to engine misfires and poor performance.
  • Solution: Replace the timing chain tensioner.
  • Estimated Cost to Fix: $1,000 - $1,500+
  • Recalls: None Found

5.6L V8

• Fuel Injector Failure
  • Description/Symptoms: Rough idling, misfires, decreased fuel economy, and potentially a check engine light.
  • Solution: Replace the faulty fuel injector(s).
  • Estimated Cost to Fix: $300 - $600+ per injector (depending on location/access).
  • Recalls: None Found

Hybrid 3.5L V6

No Issues Found

Transmission

7-Speed Automatic (All Engines)

• Valve Body Issues
  • Description/Symptoms: Harsh shifting, slipping between gears, delayed engagement, and potential for transmission fault codes.
  • Solution: Replace or rebuild the valve body.
  • Estimated Cost to Fix: $800 - $2,000+
  • Recalls: None Found

Suspension

• Rear Air Suspension Failure (If Equipped)
  • Description/Symptoms: Vehicle sagging in the rear, especially overnight. Air compressor running constantly or not at all. Error messages on the dashboard.
  • Solution: Replace the air struts and/or air compressor.
  • Estimated Cost to Fix: $1,000 - $2,500+ depending on components needing replacement.
  • Recalls: None Found

Electrical

• Infotainment System Freezing/Crashing
  • Description/Symptoms: The infotainment screen freezes, becomes unresponsive, or reboots randomly. Navigation may be affected.
  • Solution: Software update or replacement of the infotainment unit.
  • Estimated Cost to Fix: $100 (software update) - $1,500+ (unit replacement).
  • Recalls: None Found
• Battery Drain Issues
  • Description/Symptoms: The battery drains quickly, especially when the car is not in use for a few days. Difficult starting.
  • Solution: Investigate for parasitic drains (e.g., faulty modules, aftermarket accessories). Replace the battery if necessary.
  • Estimated Cost to Fix: $100 (battery replacement) - $500+ (diagnostics and repair of parasitic drain).
  • Recalls: None Found

Exterior

• Door Handle Actuator Failure (Intelligent Key System)
  • Description/Symptoms: The door handle fails to unlock or lock the door using the touch sensor.
  • Solution: Replace the faulty door handle actuator.
  • Estimated Cost to Fix: $300 - $500+ per door handle.
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof gets stuck, makes grinding noises, or fails to open/close completely.
  • Solution: Repair or replace the sunroof motor, tracks, or related components.
  • Estimated Cost to Fix: $300 - $1,000+
  • Recalls: None Found

Summary:

The 2017 INFINITI Q70 presents a mix of potential issues, ranging from relatively minor electrical glitches to more significant engine and transmission concerns. The valve body problems in the 7-speed automatic transmission and the potential for timing chain tensioner failure in the 3.7L V6 are among the most prevalent and costly. Air suspension problems (if equipped) can also add to the ownership costs. Overall, while the Q70 offers a luxurious experience, potential buyers should be aware of these common issues and factor them into their purchasing decision. Repair costs can vary significantly depending on the specific issue and the shop performing the work.