Wheel, tire, and stance recommendations for Subaru VA - WRX/STI, built from Offset Lab fitment presets and factory baseline data.
Popular setup
Front
18x9.5 +38
255/35R18
Rear
18x9.5 +38
255/35R18
Factory baseline for STI: 19x8.5 ET55 on 245/35R19 front / 245/35R19 rear.
Recommendations
Trim
Factory: 19x8.5 ET55
245/35R19 front / 245/35R19 rear
5x114.3 · 56.1mm
Aggressive
Front: 18x9.5 +35
Rear: 18x9.5 +35
Tires: 265/35R18
Moderate
Flush
Front: 18x9.5 +38
Rear: 18x9.5 +38
Tires: 255/35R18
Low / Moderate
OEM+
Front: 18x8.5 +38
Rear: 18x8.5 +38
Tires: 245/40R18
Low
Trim
Factory: 18x8.5 ET55
245/40R18 front / 245/40R18 rear
5x114.3 · 56.1mm
Aggressive
Front: 18x9.5 +35
Rear: 18x9.5 +35
Tires: 265/35R18
Moderate
Flush
Front: 18x9.5 +38
Rear: 18x9.5 +38
Tires: 255/35R18
Low / Moderate
OEM+
Front: 18x8.5 +38
Rear: 18x8.5 +38
Tires: 245/40R18
Low
Fitment note
Final fitment depends on tire model, alignment, suspension height, brake clearance, body tolerance, and intended use. Test fit before committing to permanent changes.