The 1998 Buick Regal wiper blade sizes are 22" wiper blades on both sides front. Do not buy by length-only however. See the Sources and Related Links section below for more information. Since there are over 22 different wiper arm attachments - be sure to lookup exact wiper blade part numbers by vehicle make, model and year for the brand wiper you decide to purchase. This ensures correct length AND correct attachment.
The 2002 Buick Regal has a V6 engine.
The 2003 Buick Regal has a V6 engine.
The 2004 Buick Regal has a V6 engine.
The 2001 Buick Regal has a V6 engine.
The 2004 Buick Regal has a 3.8 L base engine size.
The 2012 Buick Regal has a 2.4 L base engine size.
The 2001 Buick Regal has a 3.8 L base engine size.
The 2013 Buick Regal has a 2.4 L base engine size.
The 2014 Buick Regal has a 2.0 L base engine size.
The 2011 Buick Regal has a 2.4 L base engine size.
The 2003 Buick Regal has a 3.8 L base engine size.
The 2002 Buick Regal has a 3.8 L base engine size.