2018 Subaru WRX Pre-Purchase Inspection Checklist
Known Issues — 2018 Subaru WRX
CRITICAL
Ringland failure in turbocharged engine under high boost conditions
MODERATE
Transmission grinding or difficulty shifting, particularly in 1st and 2nd gear
MODERATE
Premature clutch wear and slipping
MODERATE
Head gasket leaks causing coolant loss
MINOR
Infotainment system freezing or unresponsive touchscreen
MINOR
Suspension clunking noise from front struts and control arm bushings
What to Inspect
- Engine compression test and boost pressure verification for ringland integrity
- Transmission fluid condition and shift quality through all gears
- Clutch engagement point and slippage under load
- Coolant level and head gasket seepage around cylinder head
- Suspension components for wear, clunking, and alignment issues
- Turbocharger operation and intercooler for leaks or damage
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Oil and filter change (synthetic required) | every 6,000 miles | $65-$85 |
| Transmission fluid change | every 30,000 miles | $150-$200 |
| Spark plugs replacement | every 30,000 miles | $120-$180 |
| Air filter replacement | every 15,000-30,000 miles | $40-$70 |
| Brake fluid flush | every 24 months | $100-$150 |
| Coolant flush | every 30,000 miles | $130-$180 |
| Tire rotation | every 6,000 miles | $50-$80 |
| Clutch replacement (if needed) | as needed | $1,200-$1,800 |
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