2012 INFINITI G25

Here’s a breakdown of common issues and complaints associated with the 2012 INFINITI G25, organized by category and configuration. The 2012 INFINITI G25 is a compact luxury sedan that offers a blend of sporty performance and upscale features. It is powered by a 2.5-liter V6 engine producing 218 horsepower and 187 lb-ft of torque. It was also available with a 3.7-liter V6 in the G37 model. The G25 came exclusively with a 7-speed automatic transmission. Owners generally appreciate the G25’s nimble handling, comfortable ride, and attractive styling. Some common dislikes include the somewhat cramped rear seats and less advanced technology compared to some competitors.

Engine

2.5L V6 (VQ25HR)

• Catalytic Converter Failure
  • Description/Symptoms: Check engine light illuminated (typically P0420 or P0430 codes), decreased fuel economy, reduced engine performance, rattling noise from exhaust system.
  • Solution: Replacement of the faulty catalytic converter.
  • Estimated Cost to Fix: $800 - $1500+
  • Recalls: None Found
• Oil Leaks
  • Description/Symptoms: Visible oil leaks around valve covers or oil pan, burning oil smell, low oil level.
  • Solution: Replacing valve cover gaskets or oil pan gasket.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found
• Coolant Leaks
  • Description/Symptoms: Visible coolant leaks, overheating, low coolant level, sweet smell under the hood.
  • Solution: Inspect and replace leaking hoses, radiator, water pump, or thermostat.
  • Estimated Cost to Fix: $100 - $800+ depending on the source of the leak.
  • Recalls: None Found

Transmission

7-Speed Automatic

• Valve Body Issues
  • Description/Symptoms: Harsh shifting, delayed engagement, slipping between gears, transmission warning light.
  • Solution: Valve body replacement or rebuild.
  • Estimated Cost to Fix: $500 - $1500+
  • Recalls: None Found
• Torque Converter Failure
  • Description/Symptoms: Shuddering or vibration at low speeds, stalling, poor acceleration.
  • Solution: Torque converter replacement.
  • Estimated Cost to Fix: $800 - $2000+
  • Recalls: None Found

Suspension

• Front Lower Control Arm Bushing Wear
  • Description/Symptoms: Clunking noise from the front suspension, uneven tire wear, vague steering.
  • Solution: Replacement of the front lower control arms or just the bushings.
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found
• Rear Shock Absorber Leakage
  • Description/Symptoms: Bouncy ride, poor handling, visible oil leakage from the shock absorbers.
  • Solution: Replacement of the rear shock absorbers.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Dead battery, requiring frequent jump starts.
  • Solution: Identify and repair the parasitic drain. Could be caused by a faulty module, light left on, or other electrical component. Replacement of the battery.
  • Estimated Cost to Fix: $100 - $500+ depending on the cause of the drain.
  • Recalls: None Found
• Navigation/Infotainment System Issues
  • Description/Symptoms: Freezing, slow response times, screen malfunctions, inability to connect to Bluetooth, malfunctioning buttons.
  • Solution: Software update (if available), replacement of the head unit.
  • Estimated Cost to Fix: $100 - $1000+
  • Recalls: None Found

Exterior

• Rust (Especially in Salt-Belt Regions)
  • Description/Symptoms: Rust forming on body panels, especially around wheel wells, door edges, and undercarriage.
  • Solution: Rust repair, body panel replacement, rust preventative measures.
  • Estimated Cost to Fix: $200 - $2000+ depending on severity.
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof not opening or closing properly, leaking, making excessive noise.
  • Solution: Sunroof track repair, motor replacement, weather seal replacement.
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found

Summary

The 2012 INFINITI G25, while generally reliable, exhibits some common issues that prospective buyers should be aware of. Engine issues, particularly catalytic converter failure and oil leaks, can be costly to address. Transmission problems, while less frequent, can also result in significant repair bills. Suspension and electrical issues are also present, but typically less severe. While the G25 is a good value on the used market, being aware of these potential problems will help buyers make an informed decision and budget accordingly.