Pontiac G5 Tire Size & Rim Specifications by Model Year and Trim
The Pontiac G5, produced between 2007 and 2009, features varying tire sizes and rim dimensions depending on the model year and trim. Common tire sizes include 195/60R15, 205/55R16, and 205/50R17, paired with rim widths ranging from 6 to 7 inches and diameters from 15 to 17 inches.\n\nBase trims typically come with smaller rim diameters and narrower widths, such as 15×6 inches, while higher trims or sportier versions offer wider 17×7 inch rims for enhanced handling. These variations influence tire sidewall height and overall diameter, affecting ride comfort and performance.\n\nWhen comparing trims, it’s essential to verify tire size markings, which indicate tire width, aspect ratio, and rim diameter—for example, 205/55R16 means a 205 mm width, 55% aspect ratio, and fits a 16-inch rim. Matching tire sizes and rim widths ensures safe handling and optimal contact with the road.
| Make / model / trim | Year | Tire size | Wheel |
|---|---|---|---|
| Pontiac G5 2.2L | 2007 | 195/60R15 | 6.5" × 15" |
| Pontiac G5 2.4L | 2007 | 205/50R17 | 7" × 17" |
For bolt pattern (PCD), offset ET, center bore, and mounting details, open the bolt pattern page for Pontiac G5.
FAQ
- What are the common rim sizes for Pontiac G5 models?
- Pontiac G5 rims typically range from 15×6 inches on base trims up to 17×7 inches on sportier trims.
- How do tire size markings help in selecting tires for the G5?
- Tire size markings indicate width, aspect ratio, and rim diameter, which are essential for choosing correctly fitting tires that maintain vehicle performance.
- Can I interchange tires between different Pontiac G5 trims?
- Tire interchangeability depends on matching rim diameter and width; always verify dimensions and markings to ensure proper fit and safety.
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 |