2016 Subaru WRX STI

The 2016 Subaru WRX STI is a performance-oriented sedan known for its rally-inspired roots and turbocharged engine. It came exclusively with a 2.5-liter turbocharged boxer engine producing 305 horsepower and 290 lb-ft of torque, paired with a 6-speed manual transmission. Owners appreciate its engaging driving dynamics, responsive handling, and iconic styling. Common criticisms include a firm ride, noticeable road noise, and relatively poor fuel economy.

Engine

2.5L Turbocharged Boxer Engine (EJ257)

• Piston Ring Land Failure
  • Description/Symptoms: Engine misfires, excessive oil consumption, loss of power, and potential engine knocking. Often occurs in cylinders 3 or 4.
  • Solution: Engine rebuild or replacement with forged pistons and upgraded piston rings.
  • Estimated Cost to Fix: $5,000 - $10,000+
  • Recalls: None Found
• Connecting Rod Bearing Failure
  • Description/Symptoms: Engine knocking, metallic debris in the oil, potential for catastrophic engine failure.
  • Solution: Engine rebuild or replacement with upgraded connecting rod bearings.
  • Estimated Cost to Fix: $5,000 - $10,000+
  • Recalls: None Found
• Valve Spring Failure
  • Description/Symptoms: Engine misfires, loss of power, check engine light.
  • Solution: Valve spring replacement.
  • Estimated Cost to Fix: $2,000 - $4,000
  • Recalls: None Found
• Head Gasket Failure
  • Description/Symptoms: Overheating, coolant loss, white smoke from exhaust, coolant mixing with oil.
  • Solution: Head gasket replacement.
  • Estimated Cost to Fix: $2,000 - $4,000
  • Recalls: None Found

Transmission

6-Speed Manual Transmission

• Synchro Wear
  • Description/Symptoms: Grinding or difficulty shifting into certain gears, particularly 2nd or 3rd gear.
  • Solution: Transmission rebuild with synchro replacement, or full transmission replacement.
  • Estimated Cost to Fix: $2,000 - $5,000
  • Recalls: None Found
• Clutch Failure
  • Description/Symptoms: Clutch slippage, difficulty engaging gears, burning smell.
  • Solution: Clutch replacement.
  • Estimated Cost to Fix: $1,000 - $2,500
  • Recalls: None Found

Suspension

• Strut Failure
  • Description/Symptoms: Bouncy ride, poor handling, leaking fluid from struts.
  • Solution: Strut replacement.
  • Estimated Cost to Fix: $800 - $1500
  • Recalls: None Found
• Wheel Bearing Failure
  • Description/Symptoms: Grinding or humming noise from wheels, especially at higher speeds.
  • Solution: Wheel bearing replacement.
  • Estimated Cost to Fix: $300 - $800 per wheel
  • Recalls: None Found

Electrical

• Oxygen Sensor Failure
  • Description/Symptoms: Check engine light, poor fuel economy, rough idling.
  • Solution: Oxygen sensor replacement.
  • Estimated Cost to Fix: $200 - $500
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Dead battery, difficulty starting the car.
  • Solution: Battery replacement, parasitic draw diagnosis and repair.
  • Estimated Cost to Fix: $150 - $500+
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Short Throw Shifter (Factory Option) Play
  • Description/Symptoms: Excessive play in shifter.
  • Solution: Short Throw Shifter Replacement.
  • Estimated Cost to Fix: $200 - $400
  • Recalls: None Found

Summary

The 2016 Subaru WRX STI, while a desirable performance car, can suffer from several significant issues. Engine problems, particularly related to piston rings and bearings, can be costly to repair, potentially requiring extensive engine work or even replacement. Transmission issues, like synchro wear, also contribute to repair expenses. Addressing these potential problems is crucial for maintaining the vehicle’s performance and reliability, though the cost to repair can be quite high.