The standard wiper blade sizes for the 2020 Kia Optima are 26 inches on the driver’s side and 16 inches on the passenger side for the front, with a 12-inch rear blade. This pairing covers most North American models, but always verify against your owner’s manual or the blade packaging, as trim-specific options or regional variations can occur.
Front wiper blade sizes
Below are the typical front blade sizes you’ll encounter on a 2020 Optima. If you’re replacing both blades at once, these are the standard lengths to look for.
- Driver-side front wiper: 26 inches
- Passenger-side front wiper: 16 inches
In short, these are the standard front blade lengths for most 2020 Optima models. If your vehicle has an unusual setup or aftermarket modification, measure the current blades or consult the retailer for exact compatibility.
Rear wiper blade size
The rear wiper on the 2020 Optima commonly uses a 12-inch blade. This size applies to most configurations, though it’s wise to confirm if your region or trim uses a different rear blade style.
- Rear wiper: 12 inches
That covers the rear blade length. When shopping, check the packaging to ensure a proper fit and adapter compatibility with your vehicle’s rear wiper arm.
Tips for verifying fit and choosing blades
To ensure you buy the right blades, check the vehicle’s owner’s manual or the blade replacement section on the retailer’s site. Look for blades labeled specifically for the 2020 Kia Optima or for mid-size sedans. Pay attention to the connector type (hook, pin, or bayonet) and any spoiler-design features that match the Optima’s wind-cutting profile. If you’re unsure, ask a parts associate or use the vehicle’s VIN to confirm compatibility.
Summary
The 2020 Kia Optima typically uses 26-inch driver-side and 16-inch passenger-side front wiper blades, plus a 12-inch rear blade. Always verify with your manual or packaging, as variations can occur by trim or region. When in doubt, consult a retailer or professional installer to ensure a precise fit.


