2013 INFINITI G37

The 2013 INFINITI G37 is a sporty and luxurious coupe, sedan, and convertible. It’s praised for its responsive handling, powerful engine, and stylish design. However, it is also criticized for having a somewhat dated interior and lower fuel economy than some competitors. The G37’s standard engine is a 3.7-liter V6 (VQ37VHR) producing 328-330 horsepower and 269-270 lb-ft of torque, depending on the trim. Transmission options include a 7-speed automatic and a 6-speed manual (available only on certain trims).

Engine

3.7L V6 (VQ37VHR)

• Oil Consumption
  • Description/Symptoms: Some owners report excessive oil consumption, requiring frequent top-offs between oil changes. This issue can be more prevalent in vehicles with higher mileage. Symptoms include needing to add oil more frequently than expected, blue smoke from the exhaust, and potential low oil pressure warnings.
  • Solution: Regular monitoring of oil levels is crucial. For severe cases, a compression test and leak-down test can help identify the source of the leak. Potential solutions include replacing valve stem seals, piston rings, or, in extreme cases, engine replacement or rebuild.
  • Estimated Cost to Fix: Valve stem seal replacement $1,000 - $2,000+. Piston ring replacement $3,000 - $5,000+. Engine Replacement $5,000 - $8,000+
  • Recalls: None Found
• Timing Chain Rattle/Wear
  • Description/Symptoms: Some owners have reported a rattling noise, particularly on cold starts. This can be due to timing chain tensioner wear or timing chain stretch.
  • Solution: Replacing the timing chain, tensioners, and guides.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

Transmission

7-Speed Automatic

• Valve Body Issues
  • Description/Symptoms: Harsh shifting, slipping between gears, or failure to shift. Can also manifest as the “slip then slam” symptom.
  • Solution: Replacing or rebuilding the valve body. A software update can sometimes alleviate the issue, but in many cases, a physical repair is necessary.
  • Estimated Cost to Fix: Software update $100 - $300. Valve body replacement $800 - $1500+
  • Recalls: None Found

6-Speed Manual

No Issues Found

Suspension

• Front Lower Control Arm Bushings
  • Description/Symptoms: Premature wear of the front lower control arm bushings. This can result in clunking noises, uneven tire wear, and decreased handling precision.
  • Solution: Replacing the front lower control arm bushings or the entire control arm assembly.
  • Estimated Cost to Fix: Bushing replacement $200 - $500 per side. Control arm replacement $300 - $700 per side.
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Some owners have reported issues with the battery draining overnight or within a few days of the vehicle sitting unused. This can be due to a parasitic draw from various electrical components.
  • Solution: Identifying and addressing the source of the parasitic draw. This may involve testing various circuits and components to pinpoint the culprit.
  • Estimated Cost to Fix: $100 - $500+, depending on the source of the draw.
  • Recalls: None Found
• Navigation System/Infotainment Issues
  • Description/Symptoms: Malfunctioning navigation systems, screen freezes, or unresponsive controls. These issues may become more prevalent as the vehicle ages.
  • Solution: A software update may resolve some issues. If the problem is hardware-related, replacement of the head unit may be necessary.
  • Estimated Cost to Fix: Software update $100 - $300. Head unit replacement $500 - $1500+
  • Recalls: None Found

Exterior

• Automatic Headlight Leveling Sensor Failure
  • Description/Symptoms: The automatic headlight leveling system fails, causing the headlights to point too high or too low, or display an error message.
  • Solution: Replacing the faulty headlight leveling sensor.
  • Estimated Cost to Fix: $300-$600+
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof may become stuck, make excessive noise when opening or closing, or leak.
  • Solution: Cleaning and lubricating the sunroof tracks and mechanism. If the motor or other components are damaged, replacement may be necessary.
  • Estimated Cost to Fix: Cleaning and lubrication $50 - $200. Motor replacement $300 - $700+
  • Recalls: None Found

Summary

The 2013 INFINITI G37 is generally a reliable vehicle, but like any car, it has its share of potential issues. The most concerning issues revolve around potential engine oil consumption and automatic transmission problems, which can be costly to repair if left unattended. Suspension and electrical issues are also relatively common. Overall, while the G37 offers a great driving experience, potential buyers should be aware of these common problems and factor them into their purchasing decision. Addressing these issues promptly can prevent them from escalating into more significant and expensive repairs.