Pontiac Solstice Tire Sizes & Rim Dimensions by Year and Trim
The Pontiac Solstice offers various tire size markings and rim dimensions depending on its model year and trim level. Early Solstice models typically feature tire sizes ranging from 205/50R17 to 255/40R18, with rim widths spanning 7 to 8.5 inches.\n\nStandard trims often come with 17-inch rims, while higher trims and later model years may upgrade to 18-inch rims to accommodate wider tires for improved handling. Knowing the rim width × diameter is essential when selecting replacement tires or aftermarket wheels.\n\nWhen comparing trims, verify the original tire size markings on the sidewall and rim specifications to ensure compatibility. Rim width impacts the tire's footprint and handling characteristics; hence, matching sizes within the same trim range preserves performance and safety.\n\nAlways consult your vehicle’s manual or detailed tire specifications when planning replacements, as incorrect sizes can affect speedometer accuracy, fuel efficiency, and overall driving dynamics.
| Make / model / trim | Year | Tire size | Wheel |
|---|---|---|---|
| Pontiac Solstice 2.0 Turbo | 2007 | 245/45R18 | 8" × 18" |
| Pontiac Solstice 2.4L | 2007 | 245/45R18 | 8" × 18" |
| Pontiac Solstice 2.0 Turbo | 2006 | 245/45R18 | 8" × 18" |
| Pontiac Solstice 2.4L | 2006 | 245/45R18 | 8" × 18" |
For bolt pattern (PCD), offset ET, center bore, and mounting details, open the bolt pattern page for Pontiac Solstice.
FAQ
- What are the common tire sizes for the Pontiac Solstice?
- Common tire sizes include 205/50R17 and 255/40R18, varying by model year and trim.
- How does rim width affect Pontiac Solstice tire selection?
- Rim width determines the tire's fit and handling; selecting the correct width ensures proper tire performance and safety.
- Can I use tires from one Solstice trim on another?
- It's best to match tire sizes and rim dimensions specified for each trim to maintain optimal performance and compatibility.
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 |
