2016 Cadillac SRX Wheel Interchange

OEM wheel/tire sizes and fitment specs for the 2016 Cadillac SRX.

Goal

Problem: you need to confirm safe wheel and tire fitment for a 2016 Cadillac SRX. Goal: use the provided OEM values and the on-page calculator to select wheels and tires that fit safely. I will guide you step by step with validation and troubleshooting advice.

Prerequisites

Collect these before you change wheels or tires. These items reduce unknowns and streamline validation.

  • Vehicle: 2016 Cadillac SRX (use this page values as starting point).
  • OEM wheel specs from this page (used below): bolt pattern, center bore, thread size, rim size, offset, backspacing, and OEM tire size.
  • Access to the on-page wheel/tire calculator to compare donor and custom options.
  • Basic tools: torque wrench, jack, jack stands, lug wrench, tape measure; consider hub-centric rings if needed.
  • Manufacturer documents or dealer contact for any values that vary by trim, such as lug seat type or exact torque spec.

Step by step

Start with the practical checks and use the calculator to visualize changes.

1. Confirm OEM values on this page

SpecificationValue
Bolt pattern (studs x PCD)6x120
Center bore (mm)66.9
Thread sizeM14 x 1.5
Rim diameter (in)18
Rim width (in)8.0
Wheel offset (ET, mm)53
Backspacing (in)6.09
OEM tire size235/65R18

2. Use the on-page calculator

Problem: swaps often change diameter, offset, or width unexpectedly. Action: open the calculator and set the left column to the donor wheel, and the right column to your vehicle or custom size. You can adjust rim diameter, width, offset, and tire section/aspect in the tool. Note: changing rim diameter updates tire diameter automatically in the comparison.

3. Check critical clearances

Measure or verify these items after you simulate the new wheel/tire in the calculator.

  • Brake caliper clearance to inner wheel face and spoke profile.
  • Inner fender and suspension component clearance at full compression.
  • Full lock clearance to inner fender and outer wheel lip.
  • Overall tire diameter change relative to OEM; keep it small to avoid speedometer and ABS issues.

4. Confirm hub and fastener compatibility

Center bore and bolt pattern must match or be adapted. With 66.9 mm center bore, hub-centric match or rings are recommended when the wheel bore is larger. Thread size M14 x 1.5 is given; confirm lug nut seat type (sphere/ball or tapered) before purchasing hardware.

5. Install and torque

Install wheels on a flat surface, hand-start lugs, torque in a star pattern to OEM specification. If you don't have the OEM torque value, retrieve it from the owner's manual or dealer; do not guess. Re-torque after 50–100 miles as a validation step.

Validation

After installation, validate fitment through inspection and a short test drive. Use these specific checks to confirm safety and function.

  • Wheel runout and balance: check for vibration at speed, and rebalance if needed.
  • Clearance under full compression: compress the vehicle or use ramps to check rubbing risks.
  • Steering lock clearance: turn the wheel full lock both directions and inspect contact points.
  • ABS or traction warning lights: confirm no warning lamps appear after driving.
  • Tire pressure and load rating: ensure tires meet load index for the vehicle and are inflated correctly.
  • Re-torque lugs after 50–100 miles and again after the first week of driving.

Troubleshooting

If something doesn't fit or behave, follow this troubleshooting list.

  • Vibration at specific speeds: likely imbalance or hub-centric mismatch. Check wheel balance and bore fitment.
  • Wheel sits too far in or out: offset or backspacing mismatch. Compare calculated offset to OEM 53 mm.
  • Brake caliper interference: wheel inner face or spoke design conflicts. Try a wheel with more inner clearance or smaller offset.
  • ABS/traction faults after swap: overall tire diameter change may exceed sensor assumptions. Keep diameter within ±3% recommended assumption.
  • Stud or lug thread mismatch: do not force. Confirm thread size M14 x 1.5 and correct lug seat type before buying hardware.
  • Loose feel after installation: verify correct lug nut type, seating, and torque. Inspect studs for damage.

If a value is unknown or varies by trim, confirm it with the on-page calculator and OEM sources before proceeding. For example, lug seat type and exact torque may vary; use the dealer or service manual to validate.

Wrap up

Trade-off decisions are common when changing wheels. Prioritize clearance and hub fitment over aesthetics. Use the calculator to visualize changes, confirm the OEM values listed here, and validate with physical checks. If you follow the steps, you will move from uncertainty to a safe, resolved fitment.

Helpful tools: torque wrench, hub-centric rings, and a good lug socket make installations safer. Here are quick search links for those tools.

Wheel interchange calculator

Select Cars for Wheel Swap

Compare wheel compatibility between two vehicles

Wheels from (donor vehicle)

Installed on (your vehicle)