Instances of the steering wheel locking up while driving have been reported, posing a severe safety risk. This can occur suddenly, leading to a loss of control. The exact cause can be complex, potentially involving electronic power steering components or mechanical linkage issues. Estimated repair cost: $800 - $2,000.

Electrical System - Battery Drain

Owners have reported issues with parasitic battery drain, leading to dead batteries and starting problems. This can be caused by various electrical components drawing power when the vehicle is off, potentially due to faulty modules or wiring. Estimated repair cost: $200 - $600.

Fuel System - Fuel Pump Failure

A significant recall addresses potential failure of the low-pressure fuel pump, which can cause the engine to stall unexpectedly. This poses a safety risk due to sudden loss of power and an increased fire risk. Estimated repair cost: $400 - $800.

Powertrain - Manual Transmission Issues

Complaints include issues with the manual transmission, specifically concerning the throw-out bearing and clutch assembly. Failures can manifest as noise or slippage, indicating premature wear. Estimated repair cost: $1,000 - $2,500.

CARFOCALvehicle research

2018 Subaru WRX Maintenance guide

Name: Maintenance dataset for 2018 Subaru WRX
Creator: Carfocal

v1.0Updated May 30, 2026Ryan Davis4 Sources Analyzed10 Critical Recalls

MAINTENANCE SUMMARY

The 2018 Subaru WRX requires diligent maintenance, focusing on its engine and steering systems. Owners should be aware of potential rod bearing failures and steering lock-up incidents.

View Critical Issue: Engine - Rod Bearing Failure

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Reliability Score

Est. Annual Maintenance Cost

Not available

TSBs & Recalls

99 TSBs | 11 Recalls

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Key Takeaways

The 2018 WRX has a 'Below Average' reliability verdict, with significant concerns around the engine and steering.
Owners should be aware of potential engine issues, including rod bearing failure, and steering problems like lock-up.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance