2016 Cadillac CTS-V Wheel Interchange

2016 Cadillac CTS-V Wheel Fitment And Interchange Guide

Known OEM Fitment For 2016 Cadillac CTS-V

The values below reflect verified OEM specifications that are available for at least one axle of the 2016 CTS-V. This vehicle may use a staggered setup where front and rear wheel sizes and tires differ. If your trim or package is different, confirm your exact specs with the on-page calculator and your OEM sources such as the door-jamb placard, owner’s manual, or GM service information.

Notes:

• If your CTS-V has different rear wheel and tire sizes, enter both front and rear into the calculator separately to compare clearances.
• Backspacing can vary based on how total wheel width is measured. Use the calculator to confirm inner and outer clearance when changing width or offset.

How To Use The Wheel Interchange Calculator

The calculator lets you compare a donor vehicle’s wheel and tire to your 2016 CTS-V so you can visualize clearance changes before you buy.

• Step 1 - In Wheels from donor vehicle, either select a vehicle or enter a custom wheel size and tire size you are considering.
• Step 2 - In Installed on your vehicle, select 2016 Cadillac CTS-V. The known OEM specs above can be used as your baseline.
• Step 3 - Custom wheel size: adjust rim diameter, width, and offset to test how far the wheel moves inboard and outboard relative to OEM.
• Step 4 - Custom tire size: change section width and aspect ratio to see sidewall bulge and diameter changes. When you change rim diameter, the calculator updates tire diameter in the comparison so you can keep overall height consistent.
• Step 5 - Review outputs: inner clearance to suspension and brakes, outer poke toward the fender, and overall tire diameter change for speedometer and ABS considerations.
• Step 6 - Repeat for the other axle if your CTS-V uses a staggered setup.

Fitment Checklist Before You Buy

• Bolt pattern: must be 5x120 to match the CTS-V hubs.
• Center bore: OEM is 66.9 mm. If the new wheel’s bore is larger, use hub-centric rings sized to 66.9 mm. If it is smaller, the wheel will not seat properly.
• Offset and width: compare with the calculator so inner barrel clears struts and brake calipers and outer edge does not contact the fender or liners. Test both steering lock positions in front.
• Brake caliper clearance: CTS-V brakes are large. Ask the wheel seller for a brake clearance template or exact barrel profile when in doubt.
• Tire diameter: keep overall diameter close to OEM to maintain ABS, traction control, and speedometer accuracy. As a general rule, try to stay within about 1 to 3 percent of OEM.
• Load and speed ratings: tires must meet or exceed the OEM load index and speed rating shown on your door-jamb placard.
• TPMS: plan to transfer or replace sensors compatible with the 2016 CTS-V and have them relearned.
• Lug hardware: thread is M14 x 1.5. Match seat type of your wheels, typically cone or ball seat, and use correct shank length if applicable. Do not mix seat types.
• Spacers: only if required for clearance. Use hub-centric spacers with proper hub engagement and appropriate extended studs or bolts. Re-validate with the calculator.

Plus Sizing And Common Upgrades

The CTS-V responds well to careful wheel and tire changes, but clearances are tight around the brakes and fenders. Keep these principles in mind:

• Square setups improve rotation options. A 19 x 9.5 in wheel with a 265/35R19 tire is an OEM dimension on at least one axle and can be used as a starting point for a square fitment, provided you confirm clearance on both axles in the calculator.
• Wider tires improve grip but usually require offset changes to maintain inner clearance. Use the calculator to balance inner clearance and outer poke, then test-fit if possible.
• Ride height and camber affect fitment. Lowered cars reduce fender clearance. Verify under compression and steering lock.
• Overall tire diameter should stay close to OEM to avoid electronic system issues. Check the calculator’s diameter change and aim for minimal deviation.
• Aftermarket wheels with larger center bores require 66.9 mm hub-centric rings to maintain a vibration-free ride.

Installation Tips

• Inspect hubs for rust and clean the mounting face so wheels seat flush. A thin, even film of anti-seize on the hub face can help prevent future sticking. Keep studs and lug seats clean and dry.
• Test-fit each front wheel to check caliper clearance before mounting tires. Spin the wheel by hand to confirm no contact.
• If using hub-centric rings, install them fully on the wheel or hub before mounting the wheel.
• Hand-thread lug nuts to avoid cross-threading. Lower the vehicle enough to prevent rotation, then torque in a star pattern to the OEM specification from the owner’s manual.
• Re-torque after 50 to 100 miles of driving.
• Relearn TPMS after installation and set tire pressures to the values on the door-jamb placard.
• Always support the vehicle with jack stands at approved lift points and chock the opposite wheels.

Tools And Helpful Supplies

• 1/2 inch drive torque wrench
• M14 x 1.5 lug nuts or bolts matching your wheel seat type
• 66.9 mm hub-centric rings for aftermarket wheels with larger bores
• Wheel hanger guide pin M14 x 1.5

FAQs

• Does the 2016 CTS-V use a staggered setup?

  Many CTS-V cars are staggered from the factory. The values listed above reflect verified OEM specs for at least one axle. Check your door-jamb placard and use the calculator to enter front and rear sizes separately to confirm your exact build.

• What hub-centric ring size do I need?

  The car’s hub is 66.9 mm. If your aftermarket wheel has a larger bore, use rings that reduce the wheel bore down to 66.9 mm. If the wheel bore is smaller than 66.9 mm, it will not fit.

• Will a different offset affect handling or clearance?

  Yes. Lower offset pushes the wheel outward, which can improve inner clearance but risks fender contact. Higher offset pulls the wheel inward, which may contact the strut or brake lines. Use the calculator to visualize inner and outer movement and verify clearance on both axles and at full steering lock.

• Can I use spacers to clear the brakes?

  Possibly, if inner barrel clearance is close. Use only high-quality hub-centric spacers that maintain hub engagement and consider longer wheel studs or bolts as needed. Recalculate with the spacer thickness added to the offset in the calculator.

• What is the correct lug nut torque?

  Use the torque specification in the 2016 CTS-V owner’s manual or GM service information. Do not rely on generic values. Torque in a star pattern and recheck after 50 to 100 miles.

• How much tire diameter change is acceptable?

  Keep overall tire diameter as close to OEM as possible. A small change, often within about 1 to 3 percent, is generally targeted to maintain ABS, traction control, and speedometer accuracy. Verify the percentage change in the calculator.

• Will wheels from another make or model fit my CTS-V?

  Do not assume interchange based on size alone. At a minimum, bolt pattern, center bore, offset, brake clearance, and load rating must all be compatible. Use the donor vehicle option in the calculator to compare against your 2016 CTS-V before purchasing.