The typical blade sizes for a 2018 Hyundai Sonata are 26 inches on the driver’s side, 16 inches on the passenger side, and a 12-inch blade for the rear window.
Front Wiper Blade Sizes
These are the standard front windshield wiper lengths for most 2018 Sonata models. Sizes can vary slightly by trim or production date, so it’s wise to double-check before purchasing.
- Driver-side blade: 26 inches
- Passenger-side blade: 16 inches
When buying, ensure the blade type and connector match your vehicle’s wiper arm configuration.
Rear Wiper Blade Size
The rear wiper on most 2018 Sonatas uses a single, shorter blade. The commonly recommended size is:
- Rear blade: 12 inches
Confirm if your specific model uses a 12-inch rear blade by checking the owner’s manual or the part compatibility guide from the retailer.
How to Confirm Your Exact Sizes
To guarantee a perfect fit, verify your exact blade lengths through official sources or by measuring:
- Owner’s manual or Hyundai’s parts catalog
- Sticker on the old blades or blade housing
- Online compatibility tools by entering year, make, model
Note that some markets or special trims may use slightly different lengths or connector types. When in doubt, bring the old blade to the store for a direct comparison.
Summary
For a 2018 Hyundai Sonata, plan on front blades of 26 inches (driver) and 16 inches (passenger), plus a 12-inch rear blade. Always verify with the owner’s manual or a trusted parts retailer to account for trim-specific variations.


