2018 Cadillac XTS 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 sizeM12 x 1.5
- FastenerLug nuts
Open wheel fitment calculator → · Tire sizes →
3.6T
| Position | Rim | Offset | Backspacing | Tire | Bore |
|---|---|---|---|---|---|
| Front / all | 8.5x20 | ET39 | 5.79" | 245/40R20 | 66.9 mm |
| Front / all | 8.5x21 | ET35 | 5.63" | 255/35R21 | 66.9 mm |
| Front / all | 9x22 | ET32 | 5.76" | 255/30R22 | 66.9 mm |
3.6i
| Position | Rim | Offset | Backspacing | Tire | Bore |
|---|---|---|---|---|---|
| Front / all | 8.5x20 | ET39 | 5.79" | 245/40R20 | 66.9 mm |
| Front / all | 9x21 | ET35 | 5.88" | 255/35R21 | 66.9 mm |
| Rear | 8.5x19 | ET39 | 5.79" | 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 Cadillac CT5-V
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 20"
- compare rim width vs OEM 8.5"
- compare offset vs OEM ET39
- 2022 Cadillac CT5
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 20"
- compare rim width vs OEM 8.5"
- compare offset vs OEM ET39
- 2022 Cadillac XT4
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 20"
- compare rim width vs OEM 8.5"
- compare offset vs OEM ET39
- 2022 Chevrolet Corvette
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 20"
- compare rim width vs OEM 8.5"
- compare offset vs OEM ET39
- 2022 Chevrolet Camaro
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 20"
- compare rim width vs OEM 8.5"
- compare offset vs OEM ET39
- 2020 Cadillac CT6
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 20"
- compare rim width vs OEM 8.5"
- compare offset vs OEM ET39
- 2020 Chevrolet Impala
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 20"
- compare rim width vs OEM 8.5"
- compare offset vs OEM ET39
- 2020 Cadillac CT6-V
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 20"
- compare rim width vs OEM 8.5"
- compare offset vs OEM ET39
- 2019 Cadillac CTS
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 20"
- compare rim width vs OEM 8.5"
- compare offset vs OEM ET39
- 2019 Cadillac XTS
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 20"
- compare rim width vs OEM 8.5"
- compare offset vs OEM ET39
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=8701