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2021 Subaru WRX STI

2021 Subaru WRX STI

The 2021 Subaru WRX STI is a performance-oriented sedan powered by a turbocharged 2.5-liter boxer-4 engine that produces 310 horsepower and 290 lb-ft of torque. It comes standard with a 6-speed manual transmission and all-wheel drive. The WRX STI is known for its handling, performance, and rally-inspired design. However, it is also known for having some common issues.

Engine

  • Engine Knock
    • Description/Symptoms: Knocking sound coming from the engine during acceleration or under load.
    • Solution: Replace faulty piston rings or connecting rods.
    • Estimated Cost to Fix: $2,000 - $4,000+
    • Recalls: None Found
  • Intake Manifold Cracking
    • Description/Symptoms: Loss of power, rough idle, or check engine light.
    • Solution: Replace cracked intake manifold.
    • Estimated Cost to Fix: $500 - $1,000+
    • Recalls: None Found

Transmission

  • 6-Speed Manual Transmission Grinding
    • Description/Symptoms: Grinding noise when shifting into certain gears.
    • Solution: Replace worn synchronizers or gears.
    • Estimated Cost to Fix: $1,000 - $2,000+
    • Recalls: None Found

Suspension

  • Front Lower Control Arm Bushings Premature Wear
    • Description/Symptoms: Squeaking or clunking noises from the front suspension, especially on uneven roads.
    • Solution: Replace worn bushings.
    • Estimated Cost to Fix: $200 - $400+
    • Recalls: None Found
  • Rear Sway Bar End Links Squeaking
    • Description/Symptoms: Squeaking noise coming from the rear suspension, especially when going over bumps or turning corners.
    • Solution: Replace worn end links.
    • Estimated Cost to Fix: $100 - $200+
    • Recalls: None Found

Electrical

  • Alternator Failure
    • Description/Symptoms: Battery warning light on, electrical system malfunctions, or car stalling.
    • Solution: Replace faulty alternator.
    • Estimated Cost to Fix: $500 - $1,000+
    • Recalls: None Found
  • Starter Motor Malfunction
    • Description/Symptoms: Difficulty starting the vehicle or no response from the starter motor when turning the ignition.
    • Solution: Replace faulty starter motor.
    • Estimated Cost to Fix: $200 - $400+
    • Recalls: None Found

Exterior

  • Headlight Condensation
    • Description/Symptoms: Moisture accumulation inside the headlight assemblies.
    • Solution: Seal gaps or replace faulty headlights.
    • Estimated Cost to Fix: $200 - $400+
    • Recalls: None Found
  • Door Lock Frozen
    • Description/Symptoms: Difficulty locking or unlocking the doors in cold weather.
    • Solution: Apply lock de-icer or lubricate lock mechanisms.
    • Estimated Cost to Fix: $0 - $50+
    • Recalls: None Found

Interior

  • Dashboard Rattling
    • Description/Symptoms: Vibration or rattling noises coming from the dashboard.
    • Solution: Locate and tighten loose components or apply sound-dampening material.
    • Estimated Cost to Fix: $0 - $200+
    • Recalls: None Found
  • HVAC Blower Motor Failure
    • Description/Symptoms: Lack of airflow from the HVAC system.
    • Solution: Replace faulty blower motor.
    • Estimated Cost to Fix: $200 - $400+
    • Recalls: None Found

Summary

The 2021 Subaru WRX STI is a performance enthusiast’s car with excellent handling and a powerful engine. However, it does have some common issues, particularly with its engine, transmission, and suspension. The severity of these issues varies, and their cost to fix can range from minor to significant. It is important to be aware of these potential issues before purchasing a WRX STI and factor them into your decision.

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