2021 Cadillac CT5 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 pattern5x120
- Center bore66.9 mm
- Thread sizeM14 x 1.5
- FastenerLug nuts
Open wheel fitment calculator → · Tire sizes →
2.0T
| Position | Rim | Offset | Backspacing | Tire | Bore |
|---|---|---|---|---|---|
| Front / all | 8.5x18 | ET29 | 5.39" | 245/45R18 | 66.9 mm |
| Front / all | 8.5x19 | ET29 | 5.39" | 245/40R19 | 66.9 mm |
| Front / all | 8.5x20 | ET38 | 5.75" | 255/35R20 | 66.9 mm |
| Front / all | 8.5x18 | ET29 | 5.39" | 245/45R18 | 66.9 mm |
| Front / all | 8.5x19 | ET29 | 5.39" | 245/40R19 | 66.9 mm |
| Front / all | 8.5x20 | ET38 | 5.75" | 255/35R20 | 66.9 mm |
3.0T
| Position | Rim | Offset | Backspacing | Tire | Bore |
|---|---|---|---|---|---|
| Front / all | 8.5x18 | ET29 | 5.39" | 245/45R18 | 66.9 mm |
| Front / all | 8.5x19 | ET29 | 5.39" | 245/40R19 | 66.9 mm |
| Front / all | 8.5x20 | ET38 | 5.75" | 255/35R20 | 66.9 mm |
Vehicles with potentially interchangeable wheels
Filtered by exact bolt pattern and physically compatible center bore — not a full fitment guarantee.
- 2022 Chevrolet Corvette
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8.5"
- compare offset vs OEM ET29
- 2022 Cadillac CT5-V
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8.5"
- compare offset vs OEM ET29
- 2022 Cadillac CT5
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8.5"
- compare offset vs OEM ET29
- 2022 Chevrolet Camaro
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8.5"
- compare offset vs OEM ET29
- 2022 Cadillac XT4
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8.5"
- compare offset vs OEM ET29
- 2020 Cadillac CT6
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8.5"
- compare offset vs OEM ET29
- 2020 Chevrolet Impala
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8.5"
- compare offset vs OEM ET29
- 2020 Cadillac CT6-V
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8.5"
- compare offset vs OEM ET29
- 2019 Cadillac CTS-V
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8.5"
- compare offset vs OEM ET29
- 2019 Cadillac XTS
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8.5"
- compare offset vs OEM ET29
Hardware matching known specs
White Knight 3809XLBK-33AM Black M14x1.50 Lug Nuts
Thread matches catalog hardware
M14 x 1.5
View on Amazon
modelYearId=10541