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2020 Cadillac XT6 Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Cadillac XT6 wheels? This page gives the 2020 Cadillac XT6 bolt pattern (6x120), centre bore, factory rim size and the offset range for aftermarket and forged Cadillac XT6 rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Quick answer: The 2020 Cadillac XT6 uses a 6x120 bolt pattern with a 66.9 mm centre bore and M12x1.5 lug nuts. Factory wheels: 20x8J at ET50. For aftermarket wheels, 21x9J ET40 sits flush and 22x9.5J ET35 is the most aggressive fit.
Forged wheels for the 2020 Cadillac XT6 — drilled 6x120 with a 66.9 mm centre bore, built to the offset you choose. From $220 per wheel, made to order in about 25 days.
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Cadillac XT6 (2020): 6x120 bolt pattern, 66.9mm center bore. Factory wheels: 20x8J. Reference fitment ranges.
Bolt Pattern6x120
Wheel Bolt/NutM12x1.5 Nut
Center Bore66.9mm
Wheel Load Rating900–1250 kg/wheel (SUV segment reference)
Year2020
CategorySUV
✓ Data check: the bolt pattern and center bore on this page match an independent fitment reference. Last reviewed September 18, 2026. How we verify
Built to order by ANKUSI — IATF 16949 & ISO 9001 certified forged wheel manufacturer, TÜV/SFI/VIA compliant. See our factory & certifications →
Wheel Size & Offset at a Glance
| Configuration | Wheel Size & Offset |
|---|---|
| Factory (OE) | 20x8J at ET50 |
| Flush Fitment | 21x9J at ET40 offset |
| Maximum Aggressive | 22x9.5J at ET35 offset |
Forged wheels for the Cadillac XT6Machined to the 6x120 bolt pattern and 66.9 mm bore · 14–24 inch · offset calculated for your car · 3D drawing before production
How to Read Wheel Offset & Measurements
Use these two references before ordering: the left diagram shows where each spec (PCD, center bore, offset, width and diameter) is measured on the wheel; the right diagram shows how positive, zero and negative offset shift the wheel face relative to the hub centerline.
ANKUSI Engineering Expert Advice
SUVs carry more curb weight higher off the ground, so wheel strength and rotational mass both matter more than on a comparable sedan — a heavier wheel amplifies body roll and slows steering response exactly where the platform is already working hardest. Forging keeps the wheel light without giving up the load rating the factory suspension geometry was tuned around.
The Cadillac XT6 runs a 6x120 bolt pattern, 66.9mm center bore, and a 20x8J at ET50, front and rear, wheel from the factory. Our Flush Fitment reference is 21x9J ET40, which tucks the tire under the fender lip on a stock-height Cadillac XT6. Our Maximum Aggressive reference is 22x9.5J ET35 — beyond that offset, expect rubbing against the inner fender liner under compression without further trimming.
Cadillac XT6 OE Wheel Specs
The 2020 Cadillac XT6 (SUV) uses a 6x120 bolt pattern with a 66.9mm center bore. Factory wheels are 20x8J at ET50.
Why the factory spec works for most owners:
- Supports the vehicle's curb weight and load capacity
- Preserves ground clearance for everyday and light off-road use
- Balances ride comfort with cargo and passenger stability
- Maintains clearance for the factory suspension travel and brake package
ANKUSI builds these wheels — we are the forging factory, not a reseller. For the Cadillac XT6 (2020) we drill the 6x120 pattern and cut the centre bore to 66.9mm on our own CNC line, so the wheel hub-centres on the car with no spacer rings, in whatever diameter, width and offset you specify.
Converting these ET figures to backspacing? Use the wheel offset and backspacing calculator.
The figures on this page are part of our open wheel fitment dataset — 10,093 vehicles, free to download, CC BY 4.0.
Flush Fitment
For a flush look with minimal rubbing, 21x9J ET40 is the recommended starting point on a stock or mildly lowered Cadillac XT6.
Maximum Aggressive Fitment
22x9.5J ET35 is a more aggressive reference setup. Beyond this, expect rubbing under compression without fender rolling or camber correction.
Real-World Fitment Notes
C1XX platform uses 6x120 PCD!
5-Tier Configuration Options
A Factory-Style 20x8.0J ET50
Recommended setup: 20x8.0J ET50 | Economy impact: Negligible | Best for: Daily commuting, family use
Appearance: 7/10 | Comfort: 9.5/10 | Install difficulty: ★☆☆☆☆
Estimated cost: $1,200-1,500 (wheels + tires + install)
B Comfortable Upgrade 21x8.5J ET45
Recommended setup: 21x8.5J ET45 | Economy impact: -2 to -4% | Best for: Daily / street
Appearance: 8/10 | Comfort: 9/10 | Install difficulty: ★☆☆☆☆
Estimated cost: $1,950-2,550 (wheels + tires + install)
C Balanced / Flush Fit 21x9.0J ET40
Recommended setup: 21x9.0J ET40 | Economy impact: -4 to -6% | Best for: Street
Appearance: 8.5/10 | Comfort: 8/10 | Install difficulty: ★★☆☆☆
Estimated cost: $2,600-3,400 (wheels + tires + install)
D Aggressive 22x9.5J ET38
Recommended setup: 22x9.5J ET38 | Economy impact: -6 to -9% | Best for: Show / occasional track
Appearance: 9/10 | Comfort: 6.5/10 | Install difficulty: ★★★☆☆
Estimated cost: $3,900-5,000 (wheels + tires + install)
E Max Aggressive 22x9.5J ET35
Recommended setup: 22x9.5J ET35 | Economy impact: -8 to -12% | Best for: Show only
Appearance: 9.5/10 | Comfort: 4/10 | Install difficulty: ★★★★☆
Estimated cost: $4,800-6,200+ (wheels + tires + install)
Performance Comparison Matrix
| Metric | Tier A | Tier B | Tier C | Tier D | Tier E |
|---|---|---|---|---|---|
| Wheel Spec | 20x8.0J ET50 | 21x8.5J ET45 | 21x9.0J ET40 | 22x9.5J ET38 | 22x9.5J ET35 |
| Economy Impact | Negligible | -2 to -4% | -4 to -6% | -6 to -9% | -8 to -12% |
| Appearance | 7/10 | 8/10 | 8.5/10 | 9/10 | 9.5/10 |
| Comfort | 9.5/10 | 9/10 | 8/10 | 6.5/10 | 4/10 |
| Install Difficulty | ★☆☆☆☆ | ★☆☆☆☆ | ★★☆☆☆ | ★★★☆☆ | ★★★★☆ |
| Cost Range | $1,200-1,500 | $1,950-2,550 | $2,600-3,400 | $3,900-5,000 | $4,800-6,200+ |
| Best For | Daily commuting, family use | Daily / street | Street | Show / occasional track | Show only |
Real-World Reference Cases
The examples below are compiled from typical ANKUSI customer configurations and are labeled as reference cases, not individually verified real-world builds.
Case 1: Daily Driver (Factory-Style)
Profile: Everyday driving, prioritizes comfort and low running cost.
Setup: 20x8.0J ET50
Cost: ~$620
Outcome: Minimal visual change, ride and fuel economy essentially unaffected.
Case 2: Balanced Enthusiast (Balanced / Flush Fit)
Profile: Wants a sportier stance without sacrificing daily usability.
Setup: 21x9.0J ET40
Cost: ~$3,000
Outcome: Noticeable visual upgrade, fuel economy drop within the expected range.
Case 3: Show Build (Max Aggressive)
Profile: Built primarily for shows or occasional track/show use.
Setup: 22x9.5J ET35
Cost: ~$5,500
Outcome: Maximum visual impact; daily comfort and fuel economy are heavily compromised, physical test fit required before production.
Decision Guide
1
What's your primary use? Daily commuting → Tier A/B. Weekend street driving → Tier B/C. Show or occasional track use → Tier D/E.
2
What's your budget? Under $800 → Tier A. $800-3,400 → Tier B/C. $3,400+ → Tier D/E.
3
How much does fuel economy matter? Very important → Tier A. Somewhat important → Tier B/C. Not a priority → Tier D/E.
4
Still unsure? Tier C (Balanced / Flush Fit) is the default choice for most Cadillac XT6 owners.
Offset & Backspacing Reference
Backspacing is calculated as wheel width (in) ÷ 2 + offset (mm) ÷ 25.4 + 0.5 (flange allowance):
- OE: 20x8J ET50 → ~6.47″ backspacing
- Flush: 21x9J ET40 → ~6.57″ backspacing
- Max: 22x9.5J ET35 → ~6.63″ backspacing
A Note on Clearance
Final clearance depends on the exact tire model, suspension height, brake package, alignment and vehicle tolerances. A physical test fit is recommended before production.
Want to check a different width or offset before you order? Use our Offset & Backspacing Calculator to solve the numbers yourself, or looking for your exact Cadillac spec, or want a wheel built to a custom offset for your Cadillac XT6? Contact ANKUSI with your bolt pattern and offset target and we will confirm the correct forged wheel spec for your build.
Custom Forged Wheels for the Cadillac XT6 (2020)
Everything above is reference data. If you want wheels actually built to it, that is what ANKUSI does: we are a forged wheel factory in Guangzhou, China, IATF 16949 and ISO 9001 certified, forging on our own 10,000-ton press and producing over 120,000 wheels a year. Forging blank, CNC machining, finishing, coating and inspection all happen in the same building — nothing is subcontracted and nothing is relabelled from another manufacturer.
Every set is cut to order, so the 6x120 pattern and the 66.9mm centre bore are machined for this car specifically rather than shimmed with adaptor rings. Diameter, width, offset, concavity, monoblock or multi-piece construction and the finish are all yours to choose — most Cadillac orders on this platform land somewhere between the 21x9J ET40 flush setup and the 22x9.5J ET35 aggressive setup referenced above.
We do not hold 6x120 wheels on a shelf — they are forged to order, which is why any offset, width and bore combination on this page is buildable rather than limited to a stock list.
Frequently Asked Questions
What bolt pattern (PCD) does the Cadillac XT6 use?
The 2020 Cadillac XT6 uses a 6x120 bolt pattern.
How many lug bolts does the Cadillac XT6 use?
The Cadillac XT6 uses a 6-lug bolt pattern (6x120), so you need a 6-lug forged wheel to bolt straight on.
What is the center bore size on the Cadillac XT6?
The Cadillac XT6's center bore is 66.9mm. If an aftermarket wheel has a larger center bore than this, hub-centric rings are recommended so the wheel centers on the hub itself rather than relying on the lug bolts alone.
What size are the factory (stock) wheels on the Cadillac XT6?
Factory wheels on the Cadillac XT6 are 20x8J at ET50.
What is the biggest wheel size I can fit on my Cadillac XT6 without rubbing?
The most aggressive fitment we recommend without fender work is 22x9.5J at ET35 offset. Going beyond this typically causes rubbing under compression unless you roll the fenders or add camber correction.
What does a flush wheel fitment look like on the Cadillac XT6?
For a flush look with minimal to no rubbing, we recommend 21x9J at ET40 offset as a starting point on a stock or mildly lowered Cadillac XT6.
Do I need wheel spacers for my Cadillac XT6?
No. ANKUSI forges each wheel to your exact target offset, including the flush or max specs above, so you get the correct fitment without stacking spacers. Spacers are typically only used to push out an existing OE-offset wheel without replacing it, which isn't necessary when you're ordering a custom-offset forged wheel.
How do I calculate wheel backspacing for my Cadillac XT6?
Backspacing (in inches) = wheel width (in) ÷ 2 + offset (mm) ÷ 25.4 + 0.5 (flange allowance). For example, the flush spec above works out to roughly 6.57" of backspacing.
What's the difference between wheel offset and backspacing?
Offset is the distance in millimeters from the wheel's true centerline to its mounting face (positive offset pulls the wheel in, negative pushes it out). Backspacing is the distance in inches from the mounting face to the back edge of the wheel barrel. They describe the same fitment from two different reference points, which is why ANKUSI lists both above — some shops and tuning guides quote offset, others quote backspacing.
Can I run staggered wheels (different sizes front and rear) on my Cadillac XT6?
The Cadillac XT6 runs the same wheel size front and rear from the factory, so staggered fitment is not required. ANKUSI can still forge a staggered set (wider rear) on request if you want a more aggressive stance.
Vehicles With the Same Hub as the Cadillac XT6 (6x120, 66.9 mm Bore)
In our database, 32 other vehicle entries from 5 makes use exactly the same 6x120 bolt pattern and 66.9 mm center bore. Factory wheels from these cars bolt on and center on the hub without rings; offset and width still have to be checked.
6x120 is used by 0.5% of the vehicle pages in our English fitment guide (34 of 6,503); 97.1% of those also use a 66.9 mm center bore.
Hub-Centric Rings for a 66.9 mm Center Bore
A wheel with a center bore larger than 66.9 mm needs a hub-centric ring. The most common combinations:
| Wheel bore | Ring size |
|---|---|
| 67.1 mm | 67.1 → 66.9 mm |
| 70.1 mm | 70.1 → 66.9 mm |
| 70.5 mm | 70.5 → 66.9 mm |
| 71.6 mm | 71.6 → 66.9 mm |
| 73.1 mm | 73.1 → 66.9 mm |
ANKUSI forged wheels are bored to exactly 66.9 mm for this vehicle, so no ring is needed.
Sources and Last Update
Data checked against: avtoreference.com.
This record is part of the open ANKUSI Wheel Fitment Dataset (DOI 10.5281/zenodo.23241521, CC BY 4.0).
Other cars on the same factory size: 20x8 wheels · 20 inch wheels.
Compiled by the ANKUSI Wheels engineering team, an IATF 16949 and ISO 9001 certified forged wheel factory in Guangzhou.
Forged Wheel Designs for the Cadillac XT6
Every design below is forged to order, so it can be machined to the Cadillac XT6's 6x120 bolt pattern and 66.9 mm center bore, with the width and offset calculated for your setup.
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Bolt pattern and center bore on this page were cross-checked against at least two independent sources before publication. Last reviewed 2026-09-18. Spotted an error? Email info@ankusi.com and we will verify and correct it.