
Enkei Performance
EKM3
Gunmetal
18 × 8″ · ET +40
$216.65
View at Tire Rack ↗Recorded OEM specifications for the 2010 Chevrolet Cobalt, donor years with overlapping ranges, and a calculator to compare a selected wheel. Range overlap is not a guaranteed fit.
Save these wheel specs to your Ownery garage
Baseline mounting dimensions used for interchange decisions.
Multiple OEM configurations exist for this vehicle. Fitment can vary by trim, brakes, and factory wheel package – confirm your exact setup before buying.
Center-bore records disagree: year-level hub 56.6 mm vs trim range 57.1–65.1 mm. Interchange below does not treat this as an unqualified match.
Thread-only product links are shopping examples, not verified fits. Seat style is not confirmed here. As an Amazon Associate we earn from qualifying purchases.
Selected size: 18 × 7.5″ · ET +42
Showing matching bolt patterns and offsets up to 30 mm lower. Confirm center bore, load rating, and clearance at Tire Rack.

Enkei Performance
Gunmetal
18 × 8″ · ET +40
$216.65
View at Tire Rack ↗
Drag
Silver Machined w/Clearcoat
18 × 8″ · ET +40
$192.00
View at Tire Rack ↗
Voxx Road Wheels
Gunmetal
18 × 8″ · ET +40
$251.00
View at Tire Rack ↗
KMC
Black
18 × 8″ · ET +38
$420.00
View at Tire Rack ↗We may earn a commission when you buy through these links. Prices and availability may change.
These are vehicle-year records whose recorded OEM ranges overlap this 2010 Chevrolet Cobalt. Overlap is not a guarantee that a specific wheel will install. Selected-wheel comparison is in the calculator below.
Evaluated 8 donor years. Listed 8 eligible overlaps (not all evaluated years are compatible). Showing all listed.
Years grouped because recorded compatibility evidence is equivalent. Each year keeps its own page.
Dataset suggestionHub-centric rings ≈ 65.1 → 57.1 mm – not a verified installation requirement.
Hub-centric rings of about 65.1 → 57.1 mm mm may be relevant if the wheel bore is larger than the hub; they cannot enlarge a smaller bore. Approximate position vs the mid OEM package: outer change 3.18 mm, inner change 3.18 mm. This uses aggregated width/offset ranges, not a specific wheel.
Years grouped because recorded compatibility evidence is equivalent. Each year keeps its own page.
Dataset suggestionHub-centric rings ≈ 69.1 → 57.1 mm – not a verified installation requirement.
Hub-centric rings of about 69.1 → 57.1 mm mm may be relevant if the wheel bore is larger than the hub; they cannot enlarge a smaller bore. Approximate position vs the mid OEM package: outer change -5.52 mm, inner change -13.52 mm. This uses aggregated width/offset ranges, not a specific wheel.
Only years with evidence-based interchange relationships are listed. Adjacent years are not assumed compatible.
Compare a donor vehicle or custom wheel against this 2010 Chevrolet Cobalt. Use Compare in calculator on a donor row above to fill the donor side of this same calculator.
Compare wheel compatibility between two vehicles
2010 Chevrolet Cobalt
Example products matched to recorded thread, hub, or spacer dimensions. They are not verified fits. Confirm seat style, thickness, and clearance before ordering.
M12 x 1.5

M12 x 1.5 · Thread match only; seat style is not verified
View on Amazon →
M12 x 1.5 · Thread match only; seat style is not verified
View on Amazon →
M12 x 1.5 · Thread match only; seat style is not verified
View on Amazon →As an Amazon Associate we earn from qualifying purchases. Product availability and pricing may change.
The following values reflect an OEM configuration documented for this year, make, and model. Trims and option packages can differ. If anything on your vehicle does not match, verify using the door-jamb tire placard, the owner’s manual, your VIN build sheet, and by measuring on-vehicle. Use the on-page calculator to compare alternatives before you buy.
| Bolt pattern | 4x100 |
| Center bore | 56.6 mm |
| Thread size | M12 x 1.5 |
| Rim diameter | 18 in |
| Rim width | 7.5 in |
| Wheel offset (ET) | 42 mm |
| Backspacing | 5.4 in |
| Tire size | 225/40R18 |
If your 2010 Chevrolet Cobalt shows a different bolt pattern, rim size, or offset, do not assume interchange. Confirm the exact OEM spec for your trim using OEM sources and the calculator on this page.
This page lists one OEM configuration that applies to at least one 2010 Chevrolet Cobalt trim. Other trims may differ. For changes from the listed 18x7.5 ET42 with 225/40R18:
What is the bolt pattern for the 2010 Chevrolet Cobalt listed here?
4x100. If your vehicle shows a different pattern, verify your trim’s OEM specification before selecting wheels.
Will 18x7.5 ET42 wheels with 225/40R18 tires fit my 2010 Cobalt?
This setup matches the configuration shown above for at least one trim. If your trim differs, confirm with your door placard and use the calculator to compare.
Can I use wheels from another car?
Yes, if the bolt pattern matches 4x100, center bore is 56.6 mm or larger with rings as needed, thread size is M12 x 1.5, and offset/width clear brakes and bodywork. Use the calculator to compare the donor to your Cobalt.
Do I need hub-centric rings?
Only if the aftermarket wheel center bore is larger than 56.6 mm. If it matches exactly, rings are not required.
What lug nut torque should I use?
Refer to your owner’s manual or OEM service information for the correct torque. Do not guess. Re-torque after 50 to 100 miles.
How much tire diameter change is acceptable?
Keep diameter changes small to maintain speedometer accuracy and clearance. Use the calculator to see percentage change and confirm there is no rubbing.
Can I downsize for winter wheels?
Possibly, depending on your trim and brake package. Verify brake clearance and use the calculator to compare tire diameter. Confirm with OEM sources if unsure.
What lug seat type does the Cobalt use?
Seat type depends on the wheel. Match the lug seat to the wheel manufacturer’s specification and ensure the thread size is M12 x 1.5.
Use the Wheel Interchange Calculator on wheelinterchange.com to verify any change before purchase or installation. For specs not listed here or if trim equipment varies, confirm with your VIN, the door placard, and OEM documentation.
Wheel interchange depends on more than bolt pattern. Where data is available, this site compares recorded OEM values:
A normal wheel spacer does not change bolt pattern. Hub rings cannot enlarge a wheel bore that is smaller than the hub. Brake clearance and tire package fitment still require vehicle-specific checks when not confirmed in the dataset.