2018 INFINITI Q70

Introduction to the 2018 INFINITI Q70

The 2018 INFINITI Q70 is a mid-size sedan with a refined interior and a powerful engine. It comes with a standard 330-horsepower, 3.7-liter V6 engine and a seven-speed automatic transmission with manual shift mode. A 420-horsepower, 3.0-liter twin-turbocharged V6 engine and a seven-speed automatic transmission are available as an option. The Q70 is known for its comfortable ride, quiet cabin, and advanced safety features. However, it has received criticism for its cramped rear seats and lackluster fuel economy.

Engine

3.7L V6

• Valve body issues
  • Description/Symptoms: The valve body, which controls the flow of hydraulic fluid to the transmission, can malfunction, causing the transmission to slip or shift roughly.
  • Solution: Replace the valve body.
  • Estimated Cost to Fix: $2,000 - $3,000+
  • Recalls: None Found
• Oil leaks
  • Description/Symptoms: The engine may develop oil leaks from the valve covers, oil pan, or rear main seal.
  • Solution: Replace the leaking gasket or seal.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found

3.0L Twin-Turbocharged V6

• Turbocharger failure
  • Description/Symptoms: The turbochargers, which increase engine power, can fail, causing a loss of power or increased fuel consumption.
  • Solution: Replace the turbochargers.
  • Estimated Cost to Fix: $5,000 - $7,000+
  • Recalls: None Found

Transmission

7-Speed Automatic

• Shifting problems
  • Description/Symptoms: The transmission may hesitate or jerk when shifting gears.
  • Solution: Reprogram the transmission control module or replace the valve body.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found

Suspension

• Strut mount failure
  • Description/Symptoms: The strut mounts, which connect the struts to the vehicle’s body, can fail, causing a clunking noise, reduced stability, and uneven tire wear.
  • Solution: Replace the strut mounts.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Electrical

• Battery drain
  • Description/Symptoms: The battery can drain prematurely, causing the vehicle to fail to start.
  • Solution: Diagnose and repair the electrical system, which may involve replacing the battery, alternator, or other components.
  • Estimated Cost to Fix: $100 - $1,000+
  • Recalls: None Found
• Infotainment system issues
  • Description/Symptoms: The infotainment system, which includes the navigation, audio, and climate controls, may freeze, reboot, or lose functionality.
  • Solution: Update the software or replace the infotainment unit.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found

Exterior

• Fog light condensation
  • Description/Symptoms: Moisture can accumulate inside the fog lights, causing them to fog up or become cloudy.
  • Solution: Replace the fog lights.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found

Interior

• Climate control malfunctions
  • Description/Symptoms: The climate control system may not function properly, resulting in insufficient heating or cooling.
  • Solution: Diagnose and repair the climate control system, which may involve replacing sensors, actuators, or other components.
  • Estimated Cost to Fix: $500 - $2,000+
  • Recalls: None Found

Summary

The 2018 INFINITI Q70 is a reliable vehicle, but it has some common issues that can be costly to repair. Engine problems, particularly with the 3.0L twin-turbocharged V6, and transmission issues can be severe and expensive to resolve. Electrical and interior issues are also common, but they tend to be less costly. Overall, the Q70 is a good choice for those who want a luxurious and comfortable sedan, but it’s important to be aware of the potential issues that it may face.