Chevrolet Cobalt Wheel Lug Pattern, Offset, and Rim Size Reference
The Chevrolet Cobalt wheel lug pattern is a critical specification for selecting the right wheels to fit the vehicle properly. Chevrolet Cobalt models typically use a lug count × PCD (pitch circle diameter) of 5×110 mm. Understanding the bolt pattern along with offset (ET) and center bore dimensions ensures safe and precise wheel fitment.\n\nOffset (ET) for the Chevrolet Cobalt varies slightly across model years, generally ranging from ET35 to ET42. The center bore diameter is typically around 65.1 mm, which matches the hub size to provide perfect centering and minimize vibration.\n\nRim sizes for Chevrolet Cobalt wheels span from 15 to 17 inches in diameter. It is important to cross-reference bolt pattern, offset, and center bore when choosing aftermarket or replacement wheels to maintain correct handling characteristics and clearances.\n\nOur year-sorted Chevrolet Cobalt wheel lug pattern catalog offers detailed specifications to help you identify compatible wheels. Always verify the PCD, offset, and center bore against your vehicle’s requirements for optimal fitment and safety.
| Make / model / trim | Year | Tire | Rim width (in) | Rim diam. (in) | Bolt pattern | Offset ET | Bore DIA | Mounting |
|---|---|---|---|---|---|---|---|---|
| Chevrolet Cobalt 1.5 | 2019 | 185/75R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1,5 |
| Chevrolet Cobalt 1.5 | 2018 | 185/75R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1,5 |
| Chevrolet Cobalt 1.5 | 2017 | 185/75R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1,5 |
| Chevrolet Cobalt 1.5 | 2016 | 185/75R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1,5 |
| Chevrolet Cobalt 1.5 | 2015 | 185/75R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1,5 |
| Chevrolet Cobalt 1.5 | 2014 | 185/75R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1,5 |
FAQ
- What is the Chevrolet Cobalt wheel lug pattern?
- The Chevrolet Cobalt uses a 5×110 mm lug pattern, meaning 5 lug nuts arranged on a 110 mm pitch circle diameter.
- Why is offset (ET) important for Chevrolet Cobalt wheels?
- Offset affects wheel positioning relative to the hub, ensuring proper fitment and avoiding interference with brakes or suspension components.
- What rim sizes fit the Chevrolet Cobalt?
- Chevrolet Cobalt wheels typically range from 15 to 17 inches in diameter, depending on model year and trim level.
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 |
