Wheel, tire, and stance recommendations for Porsche 991.1 - 911, built from Offset Lab fitment presets and factory baseline data.
Popular setup
Front
20x9 +50
245/35R20
Rear
20x12 +45
315/30R20
Factory baseline for GT3: 20x9 +55 / 20x12 +47 on 245/35R20.
Recommendations
Trim
Factory: 20x9 +55 / 20x12 +47
245/35R20
5x130 · 71.6
Aggressive
Front: 20x9.5 +45
Rear: 20x12.5 +40
Tires: 255/35R20 / 325/30R20
High
Flush
Front: 20x9 +50
Rear: 20x12 +45
Tires: 245/35R20 / 315/30R20
Medium
OEM+
Front: 20x9 +55
Rear: 20x12 +47
Tires: 245/35R20 / 305/30R20
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.