2016 Cadillac CT6 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 | 8x18 | ET35 | 5.38" | 235/50R18 | 66.9 mm |
| Front / all | 8.5x20 | ET33 | 5.55" | 245/40R20 | 66.9 mm |
| Rear | 8x18 | ET35 | 5.38" | 235/50R18 | 66.9 mm |
| Rear | 8.5x19 | ET33 | 5.55" | 245/45R19 | 66.9 mm |
Staggered / rear-specific sizes are listed separately from front.
3.0T
| Position | Rim | Offset | Backspacing | Tire | Bore |
|---|---|---|---|---|---|
| Front / all | 8.5x20 | ET33 | 5.55" | 245/40R20 | 66.9 mm |
| Front / all | 9x21 | ET30 | 5.68" | 255/35R21 | 66.9 mm |
| Rear | 8.5x19 | ET33 | 5.55" | 245/45R19 | 66.9 mm |
Staggered / rear-specific sizes are listed separately from front.
3.6i
| Position | Rim | Offset | Backspacing | Tire | Bore |
|---|---|---|---|---|---|
| Front / all | 8.5x20 | ET33 | 5.55" | 245/40R20 | 66.9 mm |
| Front / all | 9x21 | ET30 | 5.68" | 255/35R21 | 66.9 mm |
| Rear | 8.5x19 | ET33 | 5.55" | 245/45R19 | 66.9 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 Corvette
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8"
- compare offset vs OEM ET35
- 2022 Cadillac CT5-V
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8"
- compare offset vs OEM ET35
- 2022 Cadillac CT5
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8"
- compare offset vs OEM ET35
- 2022 Cadillac XT4
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8"
- compare offset vs OEM ET35
- 2022 Chevrolet Camaro
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8"
- compare offset vs OEM ET35
- 2020 Cadillac CT6
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8"
- compare offset vs OEM ET35
- 2020 Cadillac CT6-V
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8"
- compare offset vs OEM ET35
- 2020 Chevrolet Impala
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8"
- compare offset vs OEM ET35
- 2019 Cadillac CTS-V
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8"
- compare offset vs OEM ET35
- 2019 Cadillac XTS
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8"
- compare offset vs OEM ET35
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=7999