Wheel, tire, and stance recommendations for Cadillac Alpha2 - CT4-V / CT5-V Blackwing, built from Offset Lab fitment presets and factory baseline data.
Popular setup
Front
19x10 +25
275/35R19
Rear
19x10 +25
275/35R19
Factory baseline for CT4-V Blackwing: 18x9 ET20 / 18x9.5 ET44 on 255/35ZR18 front / 275/35ZR18 rear.
Recommendations
Trim
Factory: 18x9 ET20 / 18x9.5 ET44
255/35ZR18 front / 275/35ZR18 rear
5x120 · 66.9mm
Aggressive
Front: 19x10.5 +20
Rear: 19x10.5 +20
Tires: 285/30R19
High
Flush
Front: 19x10 +25
Rear: 19x10 +25
Tires: 275/35R19
Medium
OEM+
Front: 19x9 +28
Rear: 19x9 +28
Tires: 255/35R19
Low
Trim
Factory: 19x10 ET20 / 19x11 ET50
275/35ZR19 front / 305/30ZR19 rear
5x120 · 66.9mm
Aggressive
Front: 19x10.5 +20
Rear: 19x10.5 +20
Tires: 285/30R19
High
Flush
Front: 19x10 +25
Rear: 19x10 +25
Tires: 275/35R19
Medium
OEM+
Front: 19x9 +28
Rear: 19x9 +28
Tires: 255/35R19
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.