Pontiac G5 Wheel Lug Pattern, Offset & Center Bore Reference
The Pontiac G5 wheel lug pattern specifies the lug count combined with the pitch circle diameter (PCD) measured in millimeters to ensure proper wheel fitment. Accurate knowledge of the lug pattern is essential for selecting compatible wheels or replacement rims.\n\nOffset, denoted as ET, plays a vital role in aligning the wheel position relative to the hub assembly. The Pontiac G5's typical offset values are important for maintaining proper suspension geometry and avoiding interference.\n\nCenter bore size, or hub diameter, of the Pontiac G5 must match the wheel's hub bore to secure the wheel correctly and reduce vibration. Rim sizes vary by model year, often covering a range of diameters and widths tailored for differing trim levels.\n\nOur year-sorted Pontiac G5 wheel lug pattern catalog provides reliable specifications including lug count × PCD, offset ET, center bore, and compatible rim sizes, helping ensure safe and precise wheel fitment for your vehicle.
| Make / model / trim | Year | Tire | Rim width (in) | Rim diam. (in) | Bolt pattern | Offset ET | Bore DIA | Mounting |
|---|---|---|---|---|---|---|---|---|
| Pontiac G5 2.2L | 2007 | 195/60R15 | 6.5 | 15 | 5×110 | 40 | 65.1 | M12*1,5 |
| Pontiac G5 2.4L | 2007 | 205/50R17 | 7 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
FAQ
- What is the lug pattern for Pontiac G5 wheels?
- The Pontiac G5 typically uses a 5-lug pattern with a PCD of 115 mm.
- Why is offset (ET) important for Pontiac G5 wheel fitment?
- Offset ensures the wheel sits at the correct position relative to the suspension and brakes, preventing rubbing or handling issues.
- Can I use wheels with a different center bore on my Pontiac G5?
- Wheels must have a center bore that matches or is larger than the Pontiac G5 hub size, or use appropriate hub-centric rings to ensure proper fit.
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 |