2006 Chevrolet Impala Wheel Interchange

2006 Chevrolet Impala Wheel Interchange, Sizes, And Fitment Guide

Known OEM Fitment For 2006 Chevrolet Impala

The values below reflect known factory specifications for this model year. Some 2006 Impala trims used different wheel and tire packages, so sizes may vary. If your Impala’s build differs from what is shown, confirm your exact specs using the on-page calculator and by checking the owner’s manual, the driver door-jamb tire label, or GM service documentation.

Note the mix of 18 inch wheel data and a 16 inch tire size. This indicates multiple OEM combinations were offered. Do not assume your car matches these values without checking. Use the calculator to compare what is currently on your vehicle to any potential replacement.

How To Use The Wheel Interchange Calculator

The calculator on this page lets you compare a donor vehicle’s wheel or a custom wheel and tire to your 2006 Impala. It is designed to visualize changes in clearance and overall tire diameter.

• Select Wheels from to represent the donor vehicle or wheel you are considering. If you are entering an aftermarket wheel, use the Custom wheel size fields to set rim diameter, width, and offset.
• Select Installed on as 2006 Chevrolet Impala. This anchors the comparison to your car’s hub, suspension, and fender reference points.
• Adjust Custom tire size if you plan to change tire section width and aspect ratio. When you change rim diameter, the tool updates the compared tire diameter so you can track overall height and speedometer effect.
• Review inner clearance to struts and brakes and outer clearance to fenders. The offset slider shows how moving offset positive or negative pulls the wheel inward or pushes it outward.
• Aim to keep overall tire diameter close to your current setup to reduce speedometer error and maintain ABS and transmission behavior. Many installers use a plus sizing rule of thumb to stay within about 3 percent, but always verify clearances on the car.
• Before purchasing, recheck all fields match the exact wheel you intend to buy. Print or save the comparison for reference during installation.

Fitment Checklist Before You Buy

• Bolt pattern must be 5x115. Do not substitute 5x114.3. They are different and can lead to vibration or stud failure.
• Center bore is 70.3 mm. If the new wheel’s bore is larger, use hub centric rings to 70.3 mm. If it is smaller, it will not fit.
• Thread size is M12 x 1.5. Match lug nuts or bolts to this thread and to the wheel’s seat style. Seat style varies by wheel design and is not provided here, so confirm with the wheel seller.
• Offset matters. The known reference is ET 52 mm with about 5.55 in backspacing on a 7.0 in wheel. Changing offset alters inner and outer clearance. Use the calculator to visualize and measure clearances.
• Brake and suspension clearance. Check caliper spoke clearance and inner barrel clearance. Spin the wheel by hand after mounting to confirm nothing contacts.
• Tire diameter and width. Use the calculator to keep overall diameter near your current setup and confirm that added width does not rub at full lock or over bumps.
• TPMS. If your car is equipped with tire pressure monitoring, plan sensor transfer or replacement and programming as required by your TPMS type.
• Load rating. Wheels and tires must meet or exceed the Impala’s GAWR and OEM load index on the door label.

Plus Sizing And Common Upgrades

Many owners move to larger diameter wheels for appearance and handling, or downsize for winter tires. The 2006 Impala was offered with multiple OEM packages, so plus sizing can be done safely if you confirm all clearances.

• Use the calculator to compare your current setup to a potential 17, 18, or other size. Keep overall tire diameter close to stock to limit speedometer error.
• Offset changes have the biggest impact on clearance. Compared to the known ET 52 mm reference, smaller ET pushes the wheel outward and can contact fenders, while larger ET tucks the wheel inward and can contact struts or control arms.
• Wider wheels and tires can improve grip but increase the chance of rubbing. Check inner fender liners, pinch welds, and bumper tab areas at full steering lock and full suspension compression.
• If your new wheel bore is larger than 70.3 mm, plan hub centric rings so the wheel centers on the hub. This helps reduce vibration.
• After any size change, verify spare tire compatibility and storage, jack fit, and that the vehicle can be safely supported if you need to change a tire on the road.

Installation Tips

• Support the car on rated jack stands at factory lift points. Chock wheels on the ground and work on a level surface.
• Clean the hub face and the wheel mounting pad with a wire brush and brake cleaner. Remove rust and debris so the wheel sits flat.
• Do not lubricate lug threads or seats unless the OEM procedure specifically calls for it. Most torque values are specified for clean, dry threads.
• Hand start all lug nuts to avoid cross threading. Snug in a star pattern and torque in stages to the factory torque spec from your owner’s manual or service information.
• If using hub centric rings, seat them fully on the hub before mounting the wheel.
• After a short test drive, recheck torque. Re-torque again after 50 to 100 miles.
• Confirm clearance by turning lock to lock while the car is on the ground and by slowly driving over a speed bump while listening for contact.

Tools And Helpful Supplies

• 1/2 inch torque wrench
• 3 ton floor jack and rated jack stands
• Rubber wheel chocks
• Hub centric rings to 70.3 mm if your new wheel bore is larger than 70.3 mm

Also useful: breaker bar, wire brush, nitrile gloves, brake cleaner, and a quality tire pressure gauge.

FAQs

Q: Can I use 5x114.3 wheels on a 5x115 Impala?
A: No. The patterns are different. Using 5x114.3 on 5x115 can prevent proper seating, cause vibration, and risk stud failure. Match 5x115 exactly.

Q: Do I need hub centric rings for aftermarket wheels?
A: If the new wheel’s center bore is larger than 70.3 mm, use rings that reduce to 70.3 mm. If the bore is smaller than 70.3 mm, the wheel will not fit.

Q: What offset should I choose for aftermarket wheels?
A: The known reference is ET 52 mm on a 7.0 inch wheel. Choose an offset that maintains safe inner and outer clearances as shown in the calculator. Verify on-vehicle at full lock and with suspension compressed.

Q: Can I reuse my existing lug nuts?
A: Only if the thread size is M12 x 1.5 and the seat style matches the new wheel. Many aftermarket wheels use different seat styles than OEM. Confirm with the wheel seller.

Q: Will changing tire size affect my speedometer?
A: Yes. Overall tire diameter changes speedometer and odometer readings. Use the calculator to compare diameter and aim to keep it close to your current setup.

Q: Do I need new TPMS sensors?
A: If your 2006 Impala is equipped with TPMS, you may be able to transfer existing sensors if they are compatible with the new wheels. Otherwise plan for new sensors or service kits and follow relearn procedures specified by GM.

Q: How do I confirm what size my Impala actually has now?
A: Check the tire label on the driver door jamb and the wheel stamping or part number. Enter those sizes into the calculator as your current setup, then compare to any new wheel and tire you are considering.

Q: What backspacing do I need?
A: The known backspacing reference is 5.55 in on a 7.0 in wheel. If you change wheel width or offset, backspacing will change. Use the calculator to see how backspacing affects inner clearance to struts and control arms.