Kia Optima lug nut torque
GarageDex's lug nut torque data shows the 2017 to 2021 Kia Optima wheel lug nuts torque to 79 to 94 ft-lbs. Across the Kia lineup, that guide lists 12mm x 1.50 lug nuts.
Key takeaways
- Torque: 79 to 94 ft-lbs for the 2017 to 2021 model years.
- Tighten in a star (criss-cross) pattern so the wheel seats flat.
- Re-check torque after 50 to 100 miles.
- Aftermarket wheels or lug nuts can specify a different value - use the wheel maker's figure if it differs.
| Years | Torque | Pattern |
|---|---|---|
| 2017 to 2021 | 79-94 ft-lbs | Star pattern |
| Years | Thread size |
|---|---|
| All model years | 12mm x 1.50 |
The guide below does not break out the Kia Optima separately - this is the general Kia thread size, same source.
Seat type (cone, mag, or ball) and hex size are not given per vehicle by this source - match them to the lug nut already on your wheel before ordering locks. Source: White Knight Wheel Accessories - 2020 Application Guide.
Tools for the job
These fit any vehicle. Lug nuts and wheel locks are vehicle-specific, so that link searches by your Kia Optima.
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How to torque Kia Optima wheels
- Hand-thread every lug nut, then snug them lightly with the wheel off the ground.
- Lower the car until the tire just touches and cannot spin.
- Set the wrench to 79 to 94 ft-lbs and tighten in a star pattern, skipping to the opposite nut each time.
- Lower fully, go around once more at the same setting.
- Re-check after 50 to 100 miles.
Same car, other specs: Kia Optima specs hub and battery size.
Other Kia models
Source: James Halderman - Lug Nut Torque Values 1995-2021. Torque values assume clean, dry threads and OEM wheels. Always confirm against your owner's manual, and re-check torque after the first 50 to 100 miles.