2021 Cadillac CT4 Wheel Size & Fitment Specs
Confirmed OEM mounting and wheel configurations for this model year. Multiple setups are listed separately — nothing is collapsed to a single arbitrary size.
- Bolt pattern5x115
- Center bore70.3 mm
- Thread sizeM12 x 1.5
- FastenerLug nuts
Open wheel fitment calculator → · Tire sizes →
2.0T
| Position | Rim | Offset | Backspacing | Tire | Bore |
|---|---|---|---|---|---|
| Front / all | 8x17 | ET32 | 5.26" | 225/45R17 | 70.3 mm |
| Front / all | 8x18 | ET35 | 5.38" | 235/40R18 | 70.3 mm |
| Front / all | 8x19 | ET35 | 5.38" | 235/35R19 | 70.3 mm |
| Front / all | 8x17 | ET32 | 5.26" | 225/45R17 | 70.3 mm |
| Front / all | 8x18 | ET35 | 5.38" | 235/40R18 | 70.3 mm |
| Front / all | 8x19 | ET35 | 5.38" | 235/35R19 | 70.3 mm |
| Rear | 8x18 | ET35 | 5.38" | 235/40R18 | 70.3 mm |
| Rear | 8x19 | ET35 | 5.38" | 235/35R19 | 70.3 mm |
| Rear | 8x18 | ET35 | 5.38" | 235/40R18 | 70.3 mm |
| Rear | 8x19 | ET35 | 5.38" | 235/35R19 | 70.3 mm |
Staggered / rear-specific sizes are listed separately from front.
2.7T
| Position | Rim | Offset | Backspacing | Tire | Bore |
|---|---|---|---|---|---|
| Front / all | 8x18 | ET35 | 5.38" | 235/40R18 | 70.3 mm |
| Front / all | 8x17 | ET32 | 5.26" | 225/45R17 | 70.3 mm |
| Front / all | 8x19 | ET35 | 5.38" | 235/35R19 | 70.3 mm |
| Rear | 8x18 | ET35 | 5.38" | 235/40R18 | 70.3 mm |
| Rear | 8x19 | ET35 | 5.38" | 235/35R19 | 70.3 mm |
Staggered / rear-specific sizes are listed separately from front.
Vehicles with potentially interchangeable wheels
Filtered by exact bolt pattern and physically compatible center bore — not a full fitment guarantee.
- 2022 Chevrolet Equinox
- 5x115 bolt pattern
- matching center bore
- compare rim diameter vs OEM 17"
- compare rim width vs OEM 8"
- compare offset vs OEM ET32
- 2022 Cadillac CT4-V
- 5x115 bolt pattern
- matching center bore
- compare rim diameter vs OEM 17"
- compare rim width vs OEM 8"
- compare offset vs OEM ET32
- 2022 Chevrolet Malibu
- 5x115 bolt pattern
- matching center bore
- compare rim diameter vs OEM 17"
- compare rim width vs OEM 8"
- compare offset vs OEM ET32
- 2022 Cadillac CT4
- 5x115 bolt pattern
- matching center bore
- compare rim diameter vs OEM 17"
- compare rim width vs OEM 8"
- compare offset vs OEM ET32
- 2022 GMC Terrain
- 5x115 bolt pattern
- matching center bore
- compare rim diameter vs OEM 17"
- compare rim width vs OEM 8"
- compare offset vs OEM ET32
- 2020 Buick Regal TourX
- 5x115 bolt pattern
- matching center bore
- compare rim diameter vs OEM 17"
- compare rim width vs OEM 8"
- compare offset vs OEM ET32
- 2020 Buick Envision
- 5x115 bolt pattern
- matching center bore
- compare rim diameter vs OEM 17"
- compare rim width vs OEM 8"
- compare offset vs OEM ET32
- 2019 Cadillac ATS
- 5x115 bolt pattern
- matching center bore
- compare rim diameter vs OEM 17"
- compare rim width vs OEM 8"
- compare offset vs OEM ET32
- 2017 Buick LaCrosse
- 5x115 bolt pattern
- matching center bore
- compare rim diameter vs OEM 17"
- compare rim width vs OEM 8"
- compare offset vs OEM ET32
- 2015 Chevrolet Volt
- 5x115 bolt pattern
- matching center bore
- compare rim diameter vs OEM 17"
- compare rim width vs OEM 8"
- compare offset vs OEM ET32
Hardware matching known specs
MCGARD Chrome Cone Seat M12 x 1.5 Wheel Locks
Thread matches catalog hardware
M12 x 1.5 · lock
View on AmazonGorilla Automotive Wheel Locks With Washer (M12x1.50)
Thread matches catalog hardware
M12 x 1.5 · lock
View on AmazonWhite Knight Chrome M12x1.50 Bulge Acorn Lug Nut, 20 Count
Thread matches catalog hardware
M12 x 1.5
View on Amazon
modelYearId=10635