2011 Cadillac SRX Wheel Interchange

OEM wheel and tire fitment specs for the 2011 Cadillac SRX, including bolt pattern (PCD), center bore diameter, thread size, rim diameter, rim width, wheel offset, and backspacing.

2011 Cadillac SRX Wheel Fitment Guide | wheelinterchange.com

Known OEM Fitment For 2011 Cadillac SRX

The values below reflect known factory specifications for at least one 2011 Cadillac SRX configuration. Some items may vary by trim or wheel package. If your vehicle differs, confirm using the door-jamb tire placard, the owner’s manual, and the on-page calculator.

Bolt pattern6x120
Center bore66.9 mm
Thread sizeM14 x 1.5
OEM rim diameter18 in
OEM rim width8.0 in
OEM wheel offsetET 53 mm
OEM backspacing6.09 in
OEM tire size235/65R18

If any value on your SRX is unknown or appears different, do not guess. Use the calculator to compare candidate wheels and tires, and verify final specs with OEM sources.

How To Use The Wheel Interchange Calculator

  • Open the calculator on this page. In Wheels from, enter the donor wheel or the custom wheel you are considering. In Installed on, select your 2011 Cadillac SRX.
  • Set Custom wheel size to the rim diameter, rim width, and offset you want to test. The tool displays inner and outer clearance changes compared to your SRX baseline.
  • Set Custom tire size by adjusting section width and aspect ratio. The tool auto-updates total tire diameter so you can keep it close to stock.
  • Review:
    • Inner clearance vs strut, spring perch, and wheel well liners.
    • Outer poke vs fender and bumper lip.
    • Overall tire diameter vs speedometer and ABS expectations.
  • Iterate width, offset, and tire profile until clearances look safe on-screen. Always confirm with a physical test fit before mounting tires.

Fitment Checklist Before You Buy

  • Bolt pattern: The SRX uses 6x120. Wheels must match 6 studs on a 120 mm circle.
  • Center bore: 66.9 mm hub. If your new wheel’s center bore is larger, use hub-centric rings sized to 66.9 mm. If smaller, the wheel will not seat.
  • Offset and backspacing: OEM reference is ET 53 mm and 6.09 in backspacing. Changing offset alters inner clearance and fender poke. Use the calculator to visualize changes and check for contact at full steering lock and suspension compression.
  • Rim width: Wider rims can improve tire support but reduce inner clearance. Check barrel and spoke-to-caliper clearance.
  • Tire diameter and load index: Keep overall diameter close to OEM to minimize speedometer error and avoid rubbing. Match or exceed the OEM load index and speed rating shown on the door placard.
  • TPMS: Plan to transfer or install compatible sensors. Follow OEM relearn procedures after installation.
  • Lug hardware: Thread size is M14 x 1.5. Verify hardware style and seat type required by the wheel manufacturer before purchase.
  • Test fit: Bolt a bare wheel to the hub to confirm hub seating, caliper clearance, and fender clearance before mounting tires.

Plus Sizing And Common Upgrades

Plus sizing replaces the factory 18 inch setup with a larger rim while keeping overall tire diameter close to stock. The calculator helps you model this safely.

  • General rule: When rim diameter goes up, choose a tire with a lower aspect ratio so total diameter stays similar.
  • Aim to keep total diameter change small to limit speedometer error and reduce rubbing risk. Many technicians target a small variance; always verify against OEM guidance and physical clearance.
  • Use the calculator to try incremental changes in rim width and offset. Confirm inner clearance to the strut and outer clearance to the fender through full suspension travel.
  • Examples shown in the calculator are for illustration only. Do not assume any given size will fit your SRX without a test fit and OEM verification.

Installation Tips

  • Preparation: Park on level ground, chock wheels, and use the correct jacking points from the owner’s manual.
  • Clean the hub face and center pilot with a wire brush so the wheel seats flush. Lightly remove rust scale only.
  • If using hub-centric rings, install them fully on the wheel before mounting.
  • Hand-start all lug nuts to avoid cross-threading. Tighten in a star pattern.
  • Torque: Use the torque value specified in the Cadillac owner’s manual for the 2011 SRX. Do not guess. Re-torque after 50 to 100 miles.
  • TPMS: Install compatible sensors, perform relearn, and verify pressures match the door placard.
  • Road test: Check for rubbing during low-speed full-lock turns and over bumps before highway driving.

Tools And Helpful Supplies

  • 1/2 inch drive torque wrench: https://www.amazon.com/s?k=1%2F2+inch+torque+wrench&tag=auto-spec-20
  • M14 x 1.5 lug nuts or bolts as required by your wheels: https://www.amazon.com/s?k=M14x1.5+lug+nuts&tag=auto-spec-20
  • Hub-centric rings 66.9 mm ID to match your wheel’s bore: https://www.amazon.com/s?k=66.9+hub+centric+rings&tag=auto-spec-20
  • Tire pressure gauge: https://www.amazon.com/s?k=tire+pressure+gauge&tag=auto-spec-20

FAQs

Q: What is the bolt pattern on the 2011 Cadillac SRX?
A: 6x120. Any replacement wheel must match 6 studs on a 120 mm pitch circle.

Q: What center bore do I need and do I need hub-centric rings?
A: The SRX hub is 66.9 mm. If your wheel’s center bore is larger, install hub-centric rings to 66.9 mm. If it is smaller, the wheel will not fit the hub.

Q: What offset should I choose for aftermarket wheels?
A: The known OEM reference is ET 53 mm. Different offsets change inner clearance and fender poke. Use the calculator to compare to stock and verify clearances. Final selection should be confirmed with a physical test fit and OEM guidance.

Q: What lug nut thread size and torque does the SRX use?
A: Thread size is M14 x 1.5. For torque, consult the 2011 Cadillac SRX owner’s manual or service information and use a calibrated torque wrench. Do not guess.

Q: Can I reuse my factory TPMS sensors on new wheels?
A: Often yes, if the sensors are compatible with the new wheels and still functional. Confirm sensor type and frequency for your SRX and follow the OEM relearn procedure after installation.

Q: Will larger wheels like 19 or 20 inch fit my 2011 SRX?
A: Fitment depends on rim width, offset, tire size, and brake and fender clearance. Use the calculator to model changes, then test fit. Only proceed once you have verified clearances and load ratings against OEM guidance.

Q: Are wheel spacers safe to use on the SRX?
A: Spacers introduce additional variables. If used, select high-quality hub-centric spacers and ensure adequate thread engagement or longer studs/bolts as needed. Verify clearance and torque to OEM spec. Check local regulations and proceed with caution.

Q: What is the difference between offset and backspacing on my SRX wheels?
A: Offset is the distance from the wheel centerline to the mounting pad, measured in mm. Backspacing is the distance from the mounting pad to the inner rim lip, measured in inches. The OEM reference for the SRX here is ET 53 mm and 6.09 in backspacing. Use the calculator to see how changes affect inner and outer clearances.

Find Wheels That Fit This 2011 Cadillac SRX

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Specification
Wheels from
Installed on
Result (Click it)
Bolt Pattern
Bolt Pattern
The total number of bolt holes and the diameter of the circle they form.
-
6x120
Center Bore
Center Bore
The hole in the center of the wheel that fits over the vehicle’s hub.
-
66.9 mm
Thread Size
Thread Size
The size and spacing of the threads on the bolts or nuts that hold the wheel in place.
-
M14 x 1.5
Rim Diameter
Rim Diameter
The wheel diameter in inches that determines which tire sizes will fit.
-
18"
Rim Width
Rim Width
The distance between the inner edges of the wheel is measured in inches.
-
8.0"
Wheel Offset
Wheel Offset
How far the wheel sits inward or outward relative to the hub mounting surface.
-
53 mm
Backspacing
Backspacing
Shows how much space the wheel takes up toward the inside of the vehicle.
-
-
Wheel Fasteners
Wheel Fasteners
The type of hardware used to secure the wheel to the vehicle.
-
-

Nick Marchenko

Automotive Expert