2014 Subaru WRX STI

The 2014 Subaru WRX STI is a performance-oriented sedan known for its rally-inspired roots and turbocharged engine. The sole engine option for this model year is a 2.5-liter turbocharged four-cylinder boxer engine, producing 305 horsepower and 290 lb-ft of torque. It is paired exclusively with a 6-speed manual transmission. Owners appreciate the STI’s engaging driving experience, powerful engine, and all-wheel-drive system. Common complaints include a stiff ride, relatively poor fuel economy, and the engine’s susceptibility to certain mechanical issues if not properly maintained or modified.

Engine

2.5L Turbocharged Engine

• Ringland Failure
  • Description/Symptoms: Excessive oil consumption, loss of power, knocking noises, and potential engine failure. Often caused by detonation or pre-ignition due to modifications or aggressive driving.
  • Solution: Engine rebuild or replacement with upgraded pistons and potentially stronger connecting rods.
  • Estimated Cost to Fix: $5,000 - $10,000+
  • Recalls: None Found
• Turbocharger Failure
  • Description/Symptoms: Loss of boost, whistling or grinding noises from the turbocharger, check engine light.
  • Solution: Turbocharger replacement.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found
• Oil Leaks
  • Description/Symptoms: Oil drips under the car, burning oil smell, low oil level. Common leak locations include valve cover gaskets, head gaskets, and the oil pan.
  • Solution: Replace the leaking gaskets or seals.
  • Estimated Cost to Fix: $200 - $1,500+ depending on the location and severity of the leak.
  • Recalls: None Found

Transmission

6-Speed Manual Transmission

• Synchro Wear/Grinding
  • Description/Symptoms: Difficulty shifting into certain gears, grinding noises when shifting, especially into 2nd or 3rd gear.
  • Solution: Transmission rebuild or replacement of the worn synchros.
  • Estimated Cost to Fix: $1,500 - $4,000+
  • Recalls: None Found

Suspension

• Strut/Shock Failure
  • Description/Symptoms: Bouncy ride, poor handling, clunking noises over bumps.
  • Solution: Replacement of the struts or shocks.
  • Estimated Cost to Fix: $500 - $1500+
  • Recalls: None Found

Electrical

• Oxygen Sensor Failure
  • Description/Symptoms: Check engine light, poor fuel economy, rough running engine.
  • Solution: Replacement of the faulty oxygen sensor.
  • Estimated Cost to Fix: $150 - $400+
  • Recalls: None Found

Exterior

No Issues Found

Interior

• Navigation/Infotainment System Issues
  • Description/Symptoms: Freezing, slow response, software glitches, screen malfunctions.
  • Solution: Software update or replacement of the head unit.
  • Estimated Cost to Fix: $100 - $1,000+
  • Recalls: None Found

Summary:

The 2014 Subaru WRX STI, while a desirable performance vehicle, is known to have some reliability concerns, particularly with its engine. Ringland failure is the most significant and costly potential issue, often stemming from improper maintenance or modifications. Transmission synchro wear is another common problem. While other issues exist, they generally carry lower repair costs. Pre-purchase inspections and meticulous maintenance are crucial for mitigating these risks.