Infiniti Q45 Wheel Lug Pattern, Offset ET & Center Bore Reference
The Infiniti Q45 features specific wheel lug patterns essential for proper wheel fitment and safety. This reference guide lists the lug count and pitch circle diameter (PCD) for each model year, ensuring compatibility with aftermarket or replacement wheels.\n\nIn addition to the lug pattern, important parameters such as wheel offset (ET) and center bore diameter are detailed. The offset affects the wheel's position in relation to the suspension, while the center bore ensures the wheel mounts securely without vibration.\n\nRim size also plays a critical role in maintaining vehicle performance and aesthetics. Our Infiniti Q45 wheel lug pattern catalog organizes all relevant mounting specs by year, assisting you in selecting the right wheel size and specifications for your model.\n\nUse this guide as your authoritative source for Infiniti Q45 wheel fitment information, helping avoid costly mismatches and ensuring optimal wheel and tire performance.
| Make / model / trim | Year | Tire | Rim width (in) | Rim diam. (in) | Bolt pattern | Offset ET | Bore DIA | Mounting |
|---|---|---|---|---|---|---|---|---|
| Infiniti Q45 4.1 | 2001 | 225/60R16 | 7 | 16 | 5×114.3 | 40 | 66.1 | M12*1,25 |
| Infiniti Q45 4.1 | 2000 | 225/60R16 | 7 | 16 | 5×114.3 | 40 | 66.1 | M12*1,25 |
| Infiniti Q45 4.1 | 1999 | 225/60R16 | 7 | 16 | 5×114.3 | 40 | 66.1 | M12*1,25 |
| Infiniti Q45 4.1 | 1998 | 225/60R16 | 7 | 16 | 5×114.3 | 40 | 66.1 | M12*1,25 |
| Infiniti Q45 4.1 | 1997 | 225/60R16 | 7 | 16 | 5×114.3 | 40 | 66.1 | M12*1,25 |
FAQ
- What is the typical Infiniti Q45 lug pattern?
- Most Infiniti Q45 models use a 5-lug pattern with a 114.3 mm PCD.
- Why is wheel offset (ET) important for Infiniti Q45 wheels?
- Offset (ET) determines how far the wheel sits inward or outward, affecting handling and clearance with suspension components.
- Can I use wheels with a different center bore on my Infiniti Q45?
- It is recommended to match the center bore exactly or use appropriate hub-centric rings to avoid vibrations.
Tire size calculatorShow
Compare two tire sizes — diameter, speedometer error, and clearance change.
| Size 1 | Size 2 | Diff | Diff(%) | |
|---|---|---|---|---|
| Diameter | 25.0" | 25.4" | 0.5" | 1.89% |
| Width | 7.7" | 8.5" | 0.8" | 10.26% |
| Circumference | 78.4" | 79.9" | 1.5" | 1.86% |
| Profile height | 5.0" | 4.2" | -0.7" | -15.08% |
| Turnover per mile | 807 | 793 | 14 | -1.73% |
| Clearance | - | - | +0.2" | - |






Speedometer Error
(First wheel OEM size)
| Reading | 20 mph | 30 mph | 40 mph | 50 mph | 60 mph | 70 mph | 80 mph | 90 mph |
|---|---|---|---|---|---|---|---|---|
| Actual | 20.4 | 30.5 | 40.7 | 50.9 | 61.1 | 71.2 | 81.4 | 91.6 |
